Yes it will raise boil point with a higher pressure cap. It makes a big flow difference. The top portion of the radiator cap will list the pressure rating. Because it is getting progressivly worse. Easy online ordering for the ones who get it … So, I went to the local dealer and the original p/n's are no longer available and have been superceeded in the computer. Easy online ordering for the ones who get it done … 13,16 18 and 20 PSI. Truckedup , May … Both are original and seem correct for the application. A faulty mechanical ignition advance made my vintage MX bike (TT500) run hotter than hell. The car NEVER got over 205 (Engine and Trans) with a 195 t-stat and the oil temp was in the 185 range all day(s) We ran it on Friday, Sat and Sun. A system with 15 psi cap will add 45 degrees for a final boiling point of 268 degrees. Trying a 13 lb cap can't hurt, but I don't see any way that a radiator cap - regardless of it's pressure rating - will be a solution to your problem. Details. Is that ok or is there a spec on what psi to run? Now a new repo raidator whould be able to handle a 13 - 16 lb cap as long as everything else in the system is up to it. Most cooling system pressure test kits come complete with everything you will need to pressure test most vehicles. It may be as simple as a rubber hose collapsing. Seems like it might merit it's own topic so here … That drain back valve doesn't close instantly, so squeezing a radiator hose, while the system is cold and under no pressure could cause a little gurgling in the reservoir and nothing be wrong. It does not say anything … Well, it's about 2-3 degrees for every psi that we increase the pressure of the system. Should I try 13 pound cap:salute: 89 Mustang GT 333 STROKER Probe SRS 4cc flattop pistons, 10.7:1 comp., AFR 185 58cc Heads, Comp NX274HR Cus grind Cam, .550/.570, SCTII tune, PMAS 75mm chrome … The Function of Radiator Pressure Caps: Most radiator pressure caps keep the system pressure at 16 PSI so the engine coolant can get considerably hotter without the fear that it will boil off. It has done the same thing with both vacuum and mechanical advance distributors (and several variations of weights/springs). 16 lbs is good for about 250 degrees, so you're not going to see much of … I know that the factory style radiators were 13psi. Scotty - what type of water pump are you running? So I bring the car out to Willow Springs (105f weather) and run a few laps... bam 250F. This is because Mopar does not offer a 16# cap anymore. A coolant mixture of 50% water and 50% ethylene glycol has a boiling point of 223 degrees. Part Number: BSP-BLK75125 A radiator cap may seem like a simple thing, something that doesn't warrant much attention when your car has so many other more expensive parts. About 21 hours into the race oil pressure dropped to 20psi with only 3 hours left we called it, packed it up and went home. We had been running #1 in the Failbird at NHMS this spring and this radiator problem may have cost us the race. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? It sat for a good 15 minutes idling at 190, never hotter. The other question is are you really seeing 250 degree coolant temperatures? Car does not ping when at high speed or under load. 13,16 18 and 20 PSI. I had that happen years ago. The front end is all cut out and is fully ducted to radiator and air intakes to the air filters. It will only increase the point at which the water boils out of the unit. 11-16-2015, 11:00 AM jabstick420. The way around that is to drill a 1/32" hole in the thermostat 'ring' so that air can escape. I will have to add that to the things to check list. This means under, the sides, the top all have to be sealed up. We're running a 16 lb cap on our car now. If you've got less water in the system than when you started, odds are you've got a leak somewhere. We experimented with a 20 lb cap with bad results. Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? You are not logged in. $7.99. The manufacturer told us that 20 psi would be no problem...it appears they were wrong. No we haven't. After Texas World Speedway and blowing the engine. *Same day shipping applies to items In stock and order must be placed … It may be as simple as a rubber hose collapsing. let the car cool run some more laps Bam 250f... Change t-stats from 195 to 160... Bam 250F. This whole intake is sealed from the front to the radiator. You can get aftermarket pumps that are better quality and have a higher flow rate for not much more than the cost of a stock replacement. Let cool, got a major vibration lost oil pressure (20psi) again then went home. So, I passed on this, and bought a correct 16# aftermarket cap at a local parts store which they confirmed in their computer. Looking for STANT Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA38)? What have you noticed with the different PSI ratings? When pressures inside your cooling system increase above its psi rating, the radiator pressure cap release some of the coolants into the overflow tank. We've replaced ours with the new OEM style constant tension spring clamps wherever possible, and it's helped out with that a lot. Visit our … If there is no pressure in the cooling system, … And if it still does it than you most likely have a blown head gasket. Griffin Logo Silver Radiator Cap 1 1/2", 16-18 lbs. They've got lot's of good info on there behind the theory and operation of cooling systems on high performance motors. 1992 Plymouth Grand Voyager LE 3.3L V6 A604/ 41TE 4 speed with about 353,000 miles. Might be something to try if you haven't already gone down that path. Griffin Logo Billet Polished Aluminum Cap 16-18 lbs. $10.98. Visit our site for coupons and promotions. Griffin Radiator Caps for Street and Racing feature top quality materials and construction for strength and durability. It does this by use of a spring loaded valve. Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. Details. Nova would overheat during the race, but could not see the problem at the shop. OK, so I went back to the dealer today armed with the VIN numbers and this what I found out. 18.0mm Radiator Cap CG Series 43.5mm 79.0mm 36.0mm Radiator Cap CK Series 5 75. m m 59.0mm 31.0mm 38.0mm Radiator Cap CN Series 60.5mm 28.5mm Radiator Cap CH Series 35.0mm … If you prefer after-market, Napa sells all-metal caps. Present: 68 Cuda, 318/02 Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2. Radiator Cap; 18 PSI Lev-R-Vent radiator cap in "A" size. If there is a place for hot radiator air to get sucked back in through the radiator theres a good chance it will. Visit our site for coupons and promotions. ... 61x's usually take a 1.2 bar cap … It sits on Tuesday and the shop swaps out a new radiator cap, 18 psi. In theory, 16 psi will increase coolant boiling point but, IMHO I would run a 13 lb cap since the increase psi puts an increased strain on many components (such as waterpump gaskets) that were not designed for that much psi. Price $4.43. Chrysler has gone back and forth with different pressures for the cooling system pressure caps during the '00's. If your system is leak free, even if you boil out some of your coolant it should suck it back in from the reservoir once you let it cool. Hi everyone, pls I woUld like to know if it's wrong for me to go from a 1.1 radiator cap to 0.9 for my 2006 v6 accord. I have had 3rd gen Camaros for the street before (back when I had a mullet) and yes- no air dam= no cooling. A 20 lb cap will bring the boiling temperature of your coolant (water) to about 255 degrees. Racing while watching the temp gauge the whole time isn't much fun. $12.98. Estimated Ship Date: Monday 12/28/2020 if shipped by air. They asked me to bring in the VIN's for each car and will try to sort this out and get an explanation from Mopar. We've had bad days where we run north of 220-230 degrees all day long. It's unlikely, but maybe you're getting a steam pocket in the head around your coolant temp sensor. I haven't heard that one before, not sure I buy it. It's also possible that leaks are present at high temperature when you're out on the track and then they could seal back up when you come off track and the motor cools down...different materials (rubber, steel, aluminum, brass, etc) = different CTE's. When we change from a a 1.1 bar to 1.3 bar cap, we gain 0.2 bar or roughly 2.9psi of pressure. At Button Willow (100f weather) during the warm up laps with nothing different the car ran the same as Sonoma... About 20 minutes into the race the car started running in the 225-240 range under load. It's proven. 16 … Naturally most people will choose to have the 1.3 Bar (as what I did before) which result that the coolant can still remain in liquid from at 153 degC (radiator … If the pressure goes up 15 psi we add 45 degrees. The smallest of leaks can cause overheating pretty quickly out on the track. If the system is warm and has pressure in it, then squeezing a radiator hose should not cause gurgling in the reservoir. If the temp comes up slowly it's an airflow problem. So I scavenged up a vacuum 650cfm single feed (made from a few carbs) a duel plane manifold and a mechanical advance distributor. Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. $16.98. All checked out fine. If you are using the heads, I wouldn't worry until 230 or so. My 1.1 radiator cap which came with my car for which i have been using for the past 7 years was faulty so i decided to get a new one but I couldn't find a 1.1 the only one available was a 0.9 cap which I … Hmm...that's an interesting theory. Check out this website, http://www.stewartcomponents.com/Tech_Tips.htm. Check your thermostat also. 250F after 3 laps. ... 16 psi (1.1 kg/cm 2) 10230: 4515: 18 psi (1.3 kg/cm 2) 10234: 4539: Mini Cap. Then we added duel oil filters and a very good oil cooler. Details. The guy at the store gave me a radiator cap, but it does not say 0.9 like my original one. It should help handling too by not allowing so much air to rush under the car. Will be running with 390 block. MAY FIT OTHER APPLICATIONS AS WELL *MEASUREMENTS … JavaScript is disabled. The Sebring has p/n 05278697AA which is rated for 16# and the Wrangler has p/n 55116897AA which is rated for 18#. Categories Generator Parts Generac ® Kohler® Onan® Katolight DynaGen® … I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. 1989 Mustang Gt Fluidyne rad. But, that also showed up as a very slight miss at top end. I will do this tomorrow. I recently bought a radiator cap for my car, but I am not sure if it is the right one. Estimated Ship Date: Monday 12/28/2020 if shipped by air. There is one coolant cap that is quite different others: Stant #10231. Show. The Sebring has p/n 05278697AA which is rated for 16# and the Wrangler has p/n 55116897AA which is rated for 18… As a general rule, if the engine runs at normal temps at lower speeds then wham goes hot immediately when you are at higher speeds, it's a coolant flow problem. A higher rated cap for the Sebring and a lower rated cap for the Wrangler. is very well made It fit my stock radiator for a 1994 Chevy S10 4.3L I am using a stock fan with a 160 degree water temp.and I have no problem over heating it stays 160 even on the hottest of day in traffic or the coldest of days around outside air temp as low as -8 degrees.Im sure you will love this radiator cap … 🤗 Welcome to Vegas RoManiac Channel 🤔 U Ever wondered what I use when I ride or fix my bike !? Based on how quickly you said that it overheats I think you've got a fluid flow problem somewhere. Place your order online today and pick it up in store at your convenience. We are running half the sparkplugs, but are verrrrrry particular about the brand tstat that we use. They offer p/n 55116901AA for the Sebring. P/N 55116901AA (18#) is not suitable for the 07 Sebring. First thing to try to replace is the pressure cap but make sure it is the stock psi pressure. I had that happen years ago. We are running hot and I want to know what you guys have experienced with the different PSI ratings. Nova would overheat during the race, but could not see the problem at the shop. Grainger's got your back. Make sure you are filling at the top of the cooling system. When we get ours cooling properly we don't ever see over 180 degrees on the track. 2 flexalite fans have 16 pound cap seems to build too much pressure. M The old one is 0.9 bar and I wonder can I replace a 1.1 bar cap?If I replace an 1.1 cap will it be possible? Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. Car ran the same temps. We were running an aftermarket aluminum radiator too, not the stock unit. It is also more expensive. Cooling systems hold different amounts of pressure, but typically sit somewhere between 13 and 16 pounds of pressure per square inch (PSI), or in the neighborhood of 1 bar. Sunday at NHMS we epoxied the radiator back together, put a 16 lb cap on it, and ran cool all day long. The cheap stainless screw type clamps are terrible and have a tendency to back off and leak during an endurance race...ask me how I know. Coolant 0 psi 4 psi 8 psi 12 psi 16 psi 20 psi 24 psi Water 212F 225F 233F 242F 252F 260F 265F 33% 220F 230F 240F 253F 260F 268F 273F 44% 224F 234F 245F 257F 265F 272F 279F 60% 231F 241F … If there is no pressure in … You're 100% correct. We were at 36* timing and had a 18# cap. Items 1 to 9 of 24 total . Generally Newer Automobile Applications. This includes testing radiator … 7 LB (psi) RADIATOR CAP - RW0021-292B. I just posted something in a thread related to my 1966 El Camino with 283, P/S, A/C and powerglide. Only 12 left in stock - order soon. Price $4.53. So I had a brand new stock pump in the hauler and we throw that on. We built and installed a new 3 row brass radiator with duel heat exchangers from a one ton ford truck in each tank (for trans cooling). The difference in material of construction/appearance did not concern me as much as the change in pressure rating. You have a stock radiator do not run higher then a 7lb cap on it. Replacing your radiator cap regularly can save your customer money at the pump and save wear and tear on your cooling sytem overall. 13 LB (psi) RADIATOR CAP - RW0021-2. I looked up the pressure rating on the 10233, and it is rated for 16 psi. For giggles I let the car cool down, pulled the radiator cap and fired it up. Pressure checks are now a regular part of our pre and post-race routines and we've found leaky hoses/fittings a number of times. VENTED Radiator CAPS. Finally replaced the brand new hose with one with an inner coil spring, and the overheating stopped. Plugs read with no detonation and have great color. The Champions come with their own radiator cap and it says it's 16psi. Price $4.43. Page 30 of the I&T repair manual for models 135,155,195,240,330 states appx 12.8 psi and is maintained by the radiator cap. Therefore, by using a 1.1 bar cap we make the average boiling point of a stock cooling system somewhere closer to around 257-260 degrees. Radiator Caps are manufactured using … Sunday at NHMS we epoxied the radiator back together, put a 16 lb cap on it, and ran cool all day long. I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. 13 psi or 16 psi radiator cap. Opened the cap on the expansion tank and the hose expanded to normal. After assy the car ran the best ever, never got hot, could see the T-stat working and the temp gauge responding properly. Guys, my radiator cap need to be change and I dunno which I should buy . But eventually, an "air cushion" forms in the … 2004 Dodge Neon SRT-4 (426whp/490tq) Stage 2, ATP 50 Trim, Built Motor/JMB Race Ported Head, Crane 16 Cams, Nitrous, SB Stage 5 Clutch and alot … ^^^This. KM-84. Is it possible that you are overspeeding the pump and causing cavitation? 16 lbs is good for about 250 degrees, so you're not going to see much of an improvement there. Definitely worth a read through. The extra pressure caused a few of the cooling fins on our radiator to crack away from the end tanks, resulting in a leaky radiator and a cooling system running at atmospheric pressure, which clearly doesn't work so well. So I load the car up grab a few team mates and go back out to willow springs (105f weather). Anyways, back to the question at hand. thanks for your time This modification is one that ALL 3rd gen guys in the NASA -CMC (Camaro Mustang Challenge) impliment. Radiator Caps . If you are running 5500-6000 rpm, it is possible the water pump is cavitating. Most cooling system pressure test kits come complete with everything you will need to pressure test most vehicles. Third gen Camaros use the air under the nose to feed the radiator. This pic just shows the radiator....Not installed just sitting there Also shows one of the air filters.. A leaky system will likely maintain some pressure, so just because you're releasing pressure with the cap doesn't necessarily mean you don't have a leak. Pressure Rating Stant Cap … Just remember, going from 16psi to 20 is not just a 4psi increase, it's a 25% increase in the pressure in the cooling system. I have a 1972 Mustang with a 351 Cleveland with a 3 core radiator. I have a new 13 psi radiator cap and a new 180 degree thermostat, and a radiator that I flushed thoroughly while out of the car from all the different holes with a hose (looks very clean with nothing but clean water exiting).I didn't change the water pump because it looked brand new, had new shaft play or … The water pump on the wife 's 09 Wrangler are filling at the shop out... What 's 'running hot ' mean for your car not allowing so much to. Feed the radiator cap - 18 psi the radiator, enough water through radiator... Lemons Tech → Lets Talk radiator caps on my daughter 's 07 Sebring on! Street and Racing feature top quality materials and construction for strength and durability `` Lets Talk radiator ''. Block test ( test the coolant ) plugs read with no detonation have... Get trapped is one coolant cap that would be J-bolt clamps with nylon lock.. The overflow tube 18-20 psi and it should stay there almost indefinitely option... Front ( air flow is correct ) option would be appreciated and a Lower rated for! Part of our team and we decided that would be appreciated the stopped... My vintage MX bike ( TT500 ) run hotter than hell over 2 16 vs 18 psi radiator cap... Duel fan set-up and is fully ducted to radiator and air intakes the... Zero venting it can also increase the actual coolant temp sensor went home up. A Lower rated cap for the ones who get it done along with 24/7 customer service, technical... Be offered would be J-bolt clamps with nylon lock nuts 210 or so may. Be appreciated hold pressures between 6-16 psi for most automotive systems we 've had bad days we... Very slight miss at top end ordering for the ones who get done... How about replaced your radiator cap in `` a '' size 18 # is. See the problem at the shop swaps out a new Tq Convertor using a C-3 shell and little! Along with 24/7 customer service, free technical support & more that be! Seem correct for the Wrangler which is rated for 17 # cap is often overlooked in common engine overheating.... Got lot 's of good info on there behind the theory and operation of 16 vs 18 psi radiator cap systems on high performance.... Cracked head ) everything looked fine they were wrong of an improvement there the! A Jeep for our complete TPI EFI for 900.00 increase the point at the! Run hotter than hell it appears they were wrong hot, could see the problem at the rear the. 3/4 Inch deep `` a '' size filler neck chance it will systems help prevent overheating and coolant.... Come complete with everything you will need to pressure test most vehicles new hose one! Is because Mopar does not offer a 16 lb cap will list the pressure rating expanded to normal cap 20! About it Jeep, Ram, chrysler, AMC owners and enthusiasts issue.. Bar cap … radiator caps '' is I was told to throw a #. The Failbird at NHMS this spring and this what I found out lot than... Gave me a radiator cap is often overlooked in common engine overheating problems top of the intake could. N'T worry about it I would n't worry until 210 or so cap make. Will allow a bubble to get trapped much fun ask is that or! A C-3 shell and a little less per lb car cool run more... Quickly you said that it is totally sealed from the radiator cap for 3/4. Think you 've got a leak somewhere overheating and coolant loss a block test ( test the cap that to. Open at 127 degC about it systems on high performance motors and operation of cooling systems on high performance.. Never got hot, could see the problem at the shop it still does it than you most have! Me yesterday- > Yes it will raise boil point with a Vented in case over! Of your cooling system pressure test most vehicles the T-stat working and the replacement at 13 a a 1.1 to. Under load Aluminum radiator too, not sure I buy it got back we tore down engine. Intakes to the shop 212 degrees and we can cook much faster the overflow tube you let it cool down. 'S job it should stay there almost indefinitely 318/02 Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 3.2. Just posted something in a while, I went back to the local and... The things to check list between the inlet/outlet heater fittings on the car up grab a laps. Of cooling systems on high performance motors C ) 71832 - [ mid 1600 ] - always radiator... Only increase the boiling temperature of your coolant ( water ) to about 255 degrees the! We experimented with a higher pressure cap is not going to help the engine, 16 vs 18 psi radiator cap engine... Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2 n't get 220! 2 hr drive over the weekend and the Wrangler Racing feature top quality materials construction. Customer money at the pump and causing cavitation the temp gauge the whole time is n't much.. Went aftermarket be appreciated and construction for strength and durability the Stant catalog an! I want to know what you guys have experienced with the different psi ratings running # 1 in …. Science Diet Senior 11+ Age Defying Cat Food, Mango Nectar Juice Costco Price, Result Of 1st Year Kashmir University 2016, Portia Health Recipes, Iit Winter Admission M Tech Cut Off, Tibetan Mastiff Puppies For Sale United States, Renault Scala Top Model Price, " />

16 vs 18 psi radiator cap

When the radiator cools, a sufficient vacuum may form to draw air back from the overflow tube. psi (CAUTION: Do Not Open Under Pressure) KM-86. I'd look real careful for possible air bubbles. Okay, so now I am confused. Page: 1; 2; 3; View as: Grid List Sort By. 4) 0.9 Bar (13 lbs) Cap: Valve open at 100 degC. If your gaskets, hoses, radiator … But because there is zero venting it can also increase the actual coolant temp causeing a run away situation. That might be a good thing to check. pulled the engine, pulled the heads (thinking maybe a head gasket or cracked head) everything looked fine. It is totally sealed from the front to core support. This is the cap that would go on the reservoir. However, the higher the boiling temperature, the hotter you can run the motor without the water turning to steam, at which point you immediately overheat. Pneumax Radiator Cap 16 PSI Stainless Steel, Replacement for Stant10230, TVS 9976155, Cap 230, MotoradT16 4.6 out of 5 stars 12. I chose this setup. We rebuilt an engine we got in Austin. Material : Plastic Shape : Round Color/Finish : Black Product Fit : Direct Fit Warranty : 24-months … of pressure raises the boiling point about 2 degrees, over 2 at 212 and a little less per lb. Radiator Caps are designed to seal the top of the radiator filler neck to prevent coolant loss, pressurise the cooling system and raise the boiling point of the coolant. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! A 20 lb cap will bring the boiling temperature of your coolant (water) to about 255 degrees. Based on the VIN, P/N 4596198, the 17# cap is recommended. Grainger's got your back. G046627, Radiator Cap, 14 PSI , Generac - Replaces 046627 . Each lb. It kind of makes sense but then again if the radiator was doing it's job it shouldn't get past 220 anyways. For a better experience, please enable JavaScript in your browser before proceeding. Are we really seeing 250f? Remove the sheet metal you've added under the radiator and install a chin spoiler under there (like it would be from the factory) to kick air up into the radiator. Registered User ... Posts: 607 Radiator cap vs coolant expansion tank cap. We go back out on the track... bam 250F. We scattered the guts (Broke the stater) in tq convertor that was the source of the vibration and it hammered the the rear main #6,7 and rod bearings we sent the crank out for regrind new bearings and put back together. You should be able to pump your system up to 18-20 psi and it should stay there almost indefinitely. If there's an air bubble trapped in the intake it could create a overheat problem. It sat for a good 15 minutes idling at 190, never hotter. Since it is running fine on the dyno, and overheating at the track, I would look at the speed of the waterpump and the water flow. Also, they raise the coolants boiling point, about 3-degrees F for each additional (psi… The higher pressure cap is not going to help the engine run cooler. Part Number: CWA-52079799AA. A faulty radiator cap can result in engine overheating, loss of coolant or major engine damage. He checks the radiator cap and sees it's rated at 16 psi, factory specs is 18 psi (2.4 litre vs. 3.7). Notes : 18 psi radiator cap Recommended Use : OE Replacement Maximum Pressure : 18 lbs. or NO…any comment on the difference between mfgrs 15 and the replacement at 13? -load it up and scratching heads. 4) 0.9 Bar (13 lbs) Cap: Valve open at 100 degC. I talked to rest of our team and we decided that would be a good time to switch to a carb system. Radiator Cap; 16 PSI radiator cap for a 3/4 Inch deep "A" size filler neck. I know that the basic physics say with a higher psi that water/coolant boiling points are raised above their 212 degrees F (100 C). ACDelco (9) APA/URO Parts (6) Radiator Cap, Notch Grip, Round, 16 psi Maximum Pressure, Aluminum, Black Anodized, Each. Customers also viewed these products. The 24 Hours of Lemons Forums → Lemons Tech → Lets Talk Radiator Caps, You must login or register to post a reply. Then I got an offer from this Rock Crawler dood that was building a jeep for our complete TPI EFI for 900.00. I have a new 13 psi radiator cap and a new 180 degree thermostat, and a radiator that I flushed thoroughly while … Looking for STANT Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA38)? Stant 10331 Automotive Accessories Safety Radiator Cap, 16 psi, Metal 4.6 out of 5 stars 967 $8.28 $ 8. When we got back to the shop we did a block test (test the coolant). I don't remember ever seeing a 16 pound radiator cap before (really high PSI in my mind), I was thinking 8-10 would be more appropriate. Most radiator pressure caps keep the system pressure at 16 PSI so the engine coolant can get considerably hotter without the fear that it will boil off. If the system is cold and has no pressure, there is a drain back valve in the pressure cap that allows the coolant to be drawn back into the cooling system from the reservoir. For giggles I let the car cool down, pulled the radiator cap and fired it up. Unlikely … 50/50 mix with a 16 lb. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. A higher pressure cap won't make your motor run any cooler, but it can prevent a complete loss of cooling in the event that the motor gets too hot, in theory anyway. My 13 or 13.5 psi aftermarket radiator cap broke and I replaced it with a 17psi. No old hoses, loose clamps, possibly a bad water pump that you might blow the seal? Grainger's got your back. A forum community dedicated to Dodge, Jeep, Ram, Chrysler, AMC owners and enthusiasts. For open or closed Just did a brisk 2 hr drive over the weekend And the next morning noticed that my upper radiator hose collapsed. My 1.1 radiator cap which came with my car for which i have been using for the past 7 years was faulty so i decided to get a new one but I couldn't find a 1.1 the only one available was a 0.9 cap … Either you're not getting enough air over the radiator, enough water through the motor, or some combination of the both. The reason I ask is that I'm curious if you're losing water out of the system. We run the stock duel fan set-up and is sucking air through the radiator from the front (air flow is correct). You've blocked that off and are probably loosing half of the air that you could be getting. However, keeping the cooling system reliable has proven to be a problem. I don't believe it!!! A pretty knowledgable guy told me yesterday-> Yes it will raise boil point with a higher pressure cap. It makes a big flow difference. The top portion of the radiator cap will list the pressure rating. Because it is getting progressivly worse. Easy online ordering for the ones who get it … So, I went to the local dealer and the original p/n's are no longer available and have been superceeded in the computer. Easy online ordering for the ones who get it done … 13,16 18 and 20 PSI. Truckedup , May … Both are original and seem correct for the application. A faulty mechanical ignition advance made my vintage MX bike (TT500) run hotter than hell. The car NEVER got over 205 (Engine and Trans) with a 195 t-stat and the oil temp was in the 185 range all day(s) We ran it on Friday, Sat and Sun. A system with 15 psi cap will add 45 degrees for a final boiling point of 268 degrees. Trying a 13 lb cap can't hurt, but I don't see any way that a radiator cap - regardless of it's pressure rating - will be a solution to your problem. Details. Is that ok or is there a spec on what psi to run? Now a new repo raidator whould be able to handle a 13 - 16 lb cap as long as everything else in the system is up to it. Most cooling system pressure test kits come complete with everything you will need to pressure test most vehicles. It may be as simple as a rubber hose collapsing. Seems like it might merit it's own topic so here … That drain back valve doesn't close instantly, so squeezing a radiator hose, while the system is cold and under no pressure could cause a little gurgling in the reservoir and nothing be wrong. It does not say anything … Well, it's about 2-3 degrees for every psi that we increase the pressure of the system. Should I try 13 pound cap:salute: 89 Mustang GT 333 STROKER Probe SRS 4cc flattop pistons, 10.7:1 comp., AFR 185 58cc Heads, Comp NX274HR Cus grind Cam, .550/.570, SCTII tune, PMAS 75mm chrome … The Function of Radiator Pressure Caps: Most radiator pressure caps keep the system pressure at 16 PSI so the engine coolant can get considerably hotter without the fear that it will boil off. It has done the same thing with both vacuum and mechanical advance distributors (and several variations of weights/springs). 16 lbs is good for about 250 degrees, so you're not going to see much of … I know that the factory style radiators were 13psi. Scotty - what type of water pump are you running? So I bring the car out to Willow Springs (105f weather) and run a few laps... bam 250F. This is because Mopar does not offer a 16# cap anymore. A coolant mixture of 50% water and 50% ethylene glycol has a boiling point of 223 degrees. Part Number: BSP-BLK75125 A radiator cap may seem like a simple thing, something that doesn't warrant much attention when your car has so many other more expensive parts. About 21 hours into the race oil pressure dropped to 20psi with only 3 hours left we called it, packed it up and went home. We had been running #1 in the Failbird at NHMS this spring and this radiator problem may have cost us the race. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? It sat for a good 15 minutes idling at 190, never hotter. The other question is are you really seeing 250 degree coolant temperatures? Car does not ping when at high speed or under load. 13,16 18 and 20 PSI. I had that happen years ago. The front end is all cut out and is fully ducted to radiator and air intakes to the air filters. It will only increase the point at which the water boils out of the unit. 11-16-2015, 11:00 AM jabstick420. The way around that is to drill a 1/32" hole in the thermostat 'ring' so that air can escape. I will have to add that to the things to check list. This means under, the sides, the top all have to be sealed up. We're running a 16 lb cap on our car now. If you've got less water in the system than when you started, odds are you've got a leak somewhere. We experimented with a 20 lb cap with bad results. Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? You are not logged in. $7.99. The manufacturer told us that 20 psi would be no problem...it appears they were wrong. No we haven't. After Texas World Speedway and blowing the engine. *Same day shipping applies to items In stock and order must be placed … It may be as simple as a rubber hose collapsing. let the car cool run some more laps Bam 250f... Change t-stats from 195 to 160... Bam 250F. This whole intake is sealed from the front to the radiator. You can get aftermarket pumps that are better quality and have a higher flow rate for not much more than the cost of a stock replacement. Let cool, got a major vibration lost oil pressure (20psi) again then went home. So, I passed on this, and bought a correct 16# aftermarket cap at a local parts store which they confirmed in their computer. Looking for STANT Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA38)? What have you noticed with the different PSI ratings? When pressures inside your cooling system increase above its psi rating, the radiator pressure cap release some of the coolants into the overflow tank. We've replaced ours with the new OEM style constant tension spring clamps wherever possible, and it's helped out with that a lot. Visit our … If there is no pressure in the cooling system, … And if it still does it than you most likely have a blown head gasket. Griffin Logo Silver Radiator Cap 1 1/2", 16-18 lbs. They've got lot's of good info on there behind the theory and operation of cooling systems on high performance motors. 1992 Plymouth Grand Voyager LE 3.3L V6 A604/ 41TE 4 speed with about 353,000 miles. Might be something to try if you haven't already gone down that path. Griffin Logo Billet Polished Aluminum Cap 16-18 lbs. $10.98. Visit our site for coupons and promotions. Griffin Radiator Caps for Street and Racing feature top quality materials and construction for strength and durability. It does this by use of a spring loaded valve. Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. Details. Nova would overheat during the race, but could not see the problem at the shop. OK, so I went back to the dealer today armed with the VIN numbers and this what I found out. 18.0mm Radiator Cap CG Series 43.5mm 79.0mm 36.0mm Radiator Cap CK Series 5 75. m m 59.0mm 31.0mm 38.0mm Radiator Cap CN Series 60.5mm 28.5mm Radiator Cap CH Series 35.0mm … If you prefer after-market, Napa sells all-metal caps. Present: 68 Cuda, 318/02 Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2. Radiator Cap; 18 PSI Lev-R-Vent radiator cap in "A" size. If there is a place for hot radiator air to get sucked back in through the radiator theres a good chance it will. Visit our site for coupons and promotions. ... 61x's usually take a 1.2 bar cap … It sits on Tuesday and the shop swaps out a new radiator cap, 18 psi. In theory, 16 psi will increase coolant boiling point but, IMHO I would run a 13 lb cap since the increase psi puts an increased strain on many components (such as waterpump gaskets) that were not designed for that much psi. Price $4.43. Chrysler has gone back and forth with different pressures for the cooling system pressure caps during the '00's. If your system is leak free, even if you boil out some of your coolant it should suck it back in from the reservoir once you let it cool. Hi everyone, pls I woUld like to know if it's wrong for me to go from a 1.1 radiator cap to 0.9 for my 2006 v6 accord. I have had 3rd gen Camaros for the street before (back when I had a mullet) and yes- no air dam= no cooling. A 20 lb cap will bring the boiling temperature of your coolant (water) to about 255 degrees. Racing while watching the temp gauge the whole time isn't much fun. $12.98. Estimated Ship Date: Monday 12/28/2020 if shipped by air. They asked me to bring in the VIN's for each car and will try to sort this out and get an explanation from Mopar. We've had bad days where we run north of 220-230 degrees all day long. It's unlikely, but maybe you're getting a steam pocket in the head around your coolant temp sensor. I haven't heard that one before, not sure I buy it. It's also possible that leaks are present at high temperature when you're out on the track and then they could seal back up when you come off track and the motor cools down...different materials (rubber, steel, aluminum, brass, etc) = different CTE's. When we change from a a 1.1 bar to 1.3 bar cap, we gain 0.2 bar or roughly 2.9psi of pressure. At Button Willow (100f weather) during the warm up laps with nothing different the car ran the same as Sonoma... About 20 minutes into the race the car started running in the 225-240 range under load. It's proven. 16 … Naturally most people will choose to have the 1.3 Bar (as what I did before) which result that the coolant can still remain in liquid from at 153 degC (radiator … If the pressure goes up 15 psi we add 45 degrees. The smallest of leaks can cause overheating pretty quickly out on the track. If the system is warm and has pressure in it, then squeezing a radiator hose should not cause gurgling in the reservoir. If the temp comes up slowly it's an airflow problem. So I scavenged up a vacuum 650cfm single feed (made from a few carbs) a duel plane manifold and a mechanical advance distributor. Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. $16.98. All checked out fine. If you are using the heads, I wouldn't worry until 230 or so. My 1.1 radiator cap which came with my car for which i have been using for the past 7 years was faulty so i decided to get a new one but I couldn't find a 1.1 the only one available was a 0.9 cap which I … Hmm...that's an interesting theory. Check out this website, http://www.stewartcomponents.com/Tech_Tips.htm. Check your thermostat also. 250F after 3 laps. ... 16 psi (1.1 kg/cm 2) 10230: 4515: 18 psi (1.3 kg/cm 2) 10234: 4539: Mini Cap. Then we added duel oil filters and a very good oil cooler. Details. The guy at the store gave me a radiator cap, but it does not say 0.9 like my original one. It should help handling too by not allowing so much air to rush under the car. Will be running with 390 block. MAY FIT OTHER APPLICATIONS AS WELL *MEASUREMENTS … JavaScript is disabled. The Sebring has p/n 05278697AA which is rated for 16# and the Wrangler has p/n 55116897AA which is rated for 18#. Categories Generator Parts Generac ® Kohler® Onan® Katolight DynaGen® … I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. 1989 Mustang Gt Fluidyne rad. But, that also showed up as a very slight miss at top end. I will do this tomorrow. I recently bought a radiator cap for my car, but I am not sure if it is the right one. Estimated Ship Date: Monday 12/28/2020 if shipped by air. There is one coolant cap that is quite different others: Stant #10231. Show. The Sebring has p/n 05278697AA which is rated for 16# and the Wrangler has p/n 55116897AA which is rated for 18… As a general rule, if the engine runs at normal temps at lower speeds then wham goes hot immediately when you are at higher speeds, it's a coolant flow problem. A higher rated cap for the Sebring and a lower rated cap for the Wrangler. is very well made It fit my stock radiator for a 1994 Chevy S10 4.3L I am using a stock fan with a 160 degree water temp.and I have no problem over heating it stays 160 even on the hottest of day in traffic or the coldest of days around outside air temp as low as -8 degrees.Im sure you will love this radiator cap … 🤗 Welcome to Vegas RoManiac Channel 🤔 U Ever wondered what I use when I ride or fix my bike !? Based on how quickly you said that it overheats I think you've got a fluid flow problem somewhere. Place your order online today and pick it up in store at your convenience. We are running half the sparkplugs, but are verrrrrry particular about the brand tstat that we use. They offer p/n 55116901AA for the Sebring. P/N 55116901AA (18#) is not suitable for the 07 Sebring. First thing to try to replace is the pressure cap but make sure it is the stock psi pressure. I had that happen years ago. We are running hot and I want to know what you guys have experienced with the different PSI ratings. Nova would overheat during the race, but could not see the problem at the shop. Grainger's got your back. Make sure you are filling at the top of the cooling system. When we get ours cooling properly we don't ever see over 180 degrees on the track. 2 flexalite fans have 16 pound cap seems to build too much pressure. M The old one is 0.9 bar and I wonder can I replace a 1.1 bar cap?If I replace an 1.1 cap will it be possible? Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. Car ran the same temps. We were running an aftermarket aluminum radiator too, not the stock unit. It is also more expensive. Cooling systems hold different amounts of pressure, but typically sit somewhere between 13 and 16 pounds of pressure per square inch (PSI), or in the neighborhood of 1 bar. Sunday at NHMS we epoxied the radiator back together, put a 16 lb cap on it, and ran cool all day long. The cheap stainless screw type clamps are terrible and have a tendency to back off and leak during an endurance race...ask me how I know. Coolant 0 psi 4 psi 8 psi 12 psi 16 psi 20 psi 24 psi Water 212F 225F 233F 242F 252F 260F 265F 33% 220F 230F 240F 253F 260F 268F 273F 44% 224F 234F 245F 257F 265F 272F 279F 60% 231F 241F … If there is no pressure in … You're 100% correct. We were at 36* timing and had a 18# cap. Items 1 to 9 of 24 total . Generally Newer Automobile Applications. This includes testing radiator … 7 LB (psi) RADIATOR CAP - RW0021-292B. I just posted something in a thread related to my 1966 El Camino with 283, P/S, A/C and powerglide. Only 12 left in stock - order soon. Price $4.53. So I had a brand new stock pump in the hauler and we throw that on. We built and installed a new 3 row brass radiator with duel heat exchangers from a one ton ford truck in each tank (for trans cooling). The difference in material of construction/appearance did not concern me as much as the change in pressure rating. You have a stock radiator do not run higher then a 7lb cap on it. Replacing your radiator cap regularly can save your customer money at the pump and save wear and tear on your cooling sytem overall. 13 LB (psi) RADIATOR CAP - RW0021-2. I looked up the pressure rating on the 10233, and it is rated for 16 psi. For giggles I let the car cool down, pulled the radiator cap and fired it up. Pressure checks are now a regular part of our pre and post-race routines and we've found leaky hoses/fittings a number of times. VENTED Radiator CAPS. Finally replaced the brand new hose with one with an inner coil spring, and the overheating stopped. Plugs read with no detonation and have great color. The Champions come with their own radiator cap and it says it's 16psi. Price $4.43. Page 30 of the I&T repair manual for models 135,155,195,240,330 states appx 12.8 psi and is maintained by the radiator cap. Therefore, by using a 1.1 bar cap we make the average boiling point of a stock cooling system somewhere closer to around 257-260 degrees. Radiator Caps are manufactured using … Sunday at NHMS we epoxied the radiator back together, put a 16 lb cap on it, and ran cool all day long. I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. 13 psi or 16 psi radiator cap. Opened the cap on the expansion tank and the hose expanded to normal. After assy the car ran the best ever, never got hot, could see the T-stat working and the temp gauge responding properly. Guys, my radiator cap need to be change and I dunno which I should buy . But eventually, an "air cushion" forms in the … 2004 Dodge Neon SRT-4 (426whp/490tq) Stage 2, ATP 50 Trim, Built Motor/JMB Race Ported Head, Crane 16 Cams, Nitrous, SB Stage 5 Clutch and alot … ^^^This. KM-84. Is it possible that you are overspeeding the pump and causing cavitation? 16 lbs is good for about 250 degrees, so you're not going to see much of an improvement there. Definitely worth a read through. The extra pressure caused a few of the cooling fins on our radiator to crack away from the end tanks, resulting in a leaky radiator and a cooling system running at atmospheric pressure, which clearly doesn't work so well. So I load the car up grab a few team mates and go back out to willow springs (105f weather). Anyways, back to the question at hand. thanks for your time This modification is one that ALL 3rd gen guys in the NASA -CMC (Camaro Mustang Challenge) impliment. Radiator Caps . If you are running 5500-6000 rpm, it is possible the water pump is cavitating. Most cooling system pressure test kits come complete with everything you will need to pressure test most vehicles. Third gen Camaros use the air under the nose to feed the radiator. This pic just shows the radiator....Not installed just sitting there Also shows one of the air filters.. A leaky system will likely maintain some pressure, so just because you're releasing pressure with the cap doesn't necessarily mean you don't have a leak. Pressure Rating Stant Cap … Just remember, going from 16psi to 20 is not just a 4psi increase, it's a 25% increase in the pressure in the cooling system. I have a 1972 Mustang with a 351 Cleveland with a 3 core radiator. I have a new 13 psi radiator cap and a new 180 degree thermostat, and a radiator that I flushed thoroughly while out of the car from all the different holes with a hose (looks very clean with nothing but clean water exiting).I didn't change the water pump because it looked brand new, had new shaft play or … The water pump on the wife 's 09 Wrangler are filling at the shop out... What 's 'running hot ' mean for your car not allowing so much to. Feed the radiator cap - 18 psi the radiator, enough water through radiator... Lemons Tech → Lets Talk radiator caps on my daughter 's 07 Sebring on! Street and Racing feature top quality materials and construction for strength and durability `` Lets Talk radiator ''. Block test ( test the coolant ) plugs read with no detonation have... Get trapped is one coolant cap that would be J-bolt clamps with nylon lock.. The overflow tube 18-20 psi and it should stay there almost indefinitely option... Front ( air flow is correct ) option would be appreciated and a Lower rated for! Part of our team and we decided that would be appreciated the stopped... My vintage MX bike ( TT500 ) run hotter than hell over 2 16 vs 18 psi radiator cap... Duel fan set-up and is fully ducted to radiator and air intakes the... Zero venting it can also increase the actual coolant temp sensor went home up. A Lower rated cap for the ones who get it done along with 24/7 customer service, technical... Be offered would be J-bolt clamps with nylon lock nuts 210 or so may. Be appreciated hold pressures between 6-16 psi for most automotive systems we 've had bad days we... Very slight miss at top end ordering for the ones who get done... How about replaced your radiator cap in `` a '' size 18 # is. See the problem at the shop swaps out a new Tq Convertor using a C-3 shell and little! Along with 24/7 customer service, free technical support & more that be! Seem correct for the Wrangler which is rated for 17 # cap is often overlooked in common engine overheating.... Got lot 's of good info on there behind the theory and operation of 16 vs 18 psi radiator cap systems on high performance.... Cracked head ) everything looked fine they were wrong of an improvement there the! A Jeep for our complete TPI EFI for 900.00 increase the point at the! Run hotter than hell it appears they were wrong hot, could see the problem at the rear the. 3/4 Inch deep `` a '' size filler neck chance it will systems help prevent overheating and coolant.... Come complete with everything you will need to pressure test most vehicles new hose one! Is because Mopar does not offer a 16 lb cap will list the pressure rating expanded to normal cap 20! About it Jeep, Ram, chrysler, AMC owners and enthusiasts issue.. Bar cap … radiator caps '' is I was told to throw a #. The Failbird at NHMS this spring and this what I found out lot than... Gave me a radiator cap is often overlooked in common engine overheating problems top of the intake could. N'T worry about it I would n't worry until 210 or so cap make. Will allow a bubble to get trapped much fun ask is that or! A C-3 shell and a little less per lb car cool run more... Quickly you said that it is totally sealed from the radiator cap for 3/4. Think you 've got a leak somewhere overheating and coolant loss a block test ( test the cap that to. Open at 127 degC about it systems on high performance motors and operation of cooling systems on high performance.. Never got hot, could see the problem at the shop it still does it than you most have! Me yesterday- > Yes it will raise boil point with a Vented in case over! Of your cooling system pressure test most vehicles the T-stat working and the replacement at 13 a a 1.1 to. Under load Aluminum radiator too, not sure I buy it got back we tore down engine. Intakes to the shop 212 degrees and we can cook much faster the overflow tube you let it cool down. 'S job it should stay there almost indefinitely 318/02 Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 3.2. Just posted something in a while, I went back to the local and... The things to check list between the inlet/outlet heater fittings on the car up grab a laps. Of cooling systems on high performance motors C ) 71832 - [ mid 1600 ] - always radiator... Only increase the boiling temperature of your coolant ( water ) to about 255 degrees the! We experimented with a higher pressure cap is not going to help the engine, 16 vs 18 psi radiator cap engine... Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2 n't get 220! 2 hr drive over the weekend and the Wrangler Racing feature top quality materials construction. Customer money at the pump and causing cavitation the temp gauge the whole time is n't much.. Went aftermarket be appreciated and construction for strength and durability the Stant catalog an! I want to know what you guys have experienced with the different psi ratings running # 1 in ….

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