16 vs 18 psi radiator cap

It's unlikely, but maybe you're getting a steam pocket in the head around your coolant temp sensor. If there is no pressure in the cooling system, … Pressure Rating Stant Cap … 3) 1.1 Bar (16 lbs) Cap: Valve open at 127 degC. G046627, Radiator Cap, 14 PSI , Generac - Replaces 046627 0 Log In 717.274.9396 English & Habla Español (Spanish)! Some Tstats have small inner diameter holes, and some are much larger. KM-84. 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. A higher rated cap for the Sebring and a lower rated cap for the Wrangler. -load it up and scratching heads. Details. 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. You are not logged in. We are running hot and I want to know what you guys have experienced with the different PSI ratings. So, I passed on this, and bought a correct 16# aftermarket cap at a local parts store which they confirmed in their computer. Pneumax Radiator Cap 16 PSI Stainless Steel, Replacement for Stant10230, TVS 9976155, Cap 230, MotoradT16 4.6 out of 5 stars 12. My Cart. You're going to start stressing a lot of components not designed for that kind of increase...and all for a miniscule increase in boiling point. Generally Newer Automobile Applications. Estimated Ship Date: Monday 12/28/2020 if shipped by air. And if it still does it than you most likely have a blown head gasket. cap gives at least a 250 F boiling point. $11.86. 4) 0.9 Bar (13 lbs) Cap: Valve open at 100 degC. Hmm...that's an interesting theory. It is designed to add pressure to the cooling system and increase the boiling point like … So I had a brand new stock pump in the hauler and we throw that on. If you prefer after-market, Napa sells all-metal caps. Get product details, choose a store, and get directions. I'd recommend starting with a pressure test. *Same day shipping applies to items In stock and order must be placed … But, that also showed up as a very slight miss at top end. No we haven't. 1989 Mustang Gt Fluidyne rad. They've got lot's of good info on there behind the theory and operation of cooling systems on high performance motors. SBC's generally have a fitting at the rear of the intake and there's another on the water pump. Grainger's got your back. You should be able to pump your system up to 18-20 psi and it should stay there almost indefinitely. $12.98. Registered User ... Posts: 607 Radiator cap vs coolant expansion tank cap. 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 … 4) 0.9 Bar (13 lbs) Cap: Valve open at 100 degC. A coolant mixture of 50% water and 50% ethylene glycol has a boiling point of 223 degrees. ... 61x's usually take a 1.2 bar cap … 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. 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. That might be a good thing to check. For a better experience, please enable JavaScript in your browser before proceeding. $10.98. 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. Only 12 left in stock - order soon. The Champions come with their own radiator cap and it says it's 16psi. Stant 10234 Radiator Cap - 18 PSI The radiator cap is often overlooked in common engine overheating problems. Visit our … It should help handling too by not allowing so much air to rush under the car. 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. 13 LB (psi) RADIATOR CAP - RW0021-2. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? I chose this setup. The guy at the store gave me a radiator cap, but it does not say 0.9 like my original one. http://www.nasaponycars.com/. Always use a cap of the correct pressure for your cooling system. I will have to add that to the things to check list. So, pressurized cooling systems help prevent overheating and coolant loss. Radiator PRESSURE CAP and Interchange Parts List - CO-126 ARH1022 Cap [4-psi] for radiator block [1500 + early Twin Cam + early 1600] ARH1039 Cap [7-psi] Com. 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. All checked out fine. 16 … This whole intake is sealed from the front to the radiator. The 24 Hours of Lemons Forums → Lemons Tech → Lets Talk Radiator Caps, You must login or register to post a reply. 50/50 mix with a 16 lb. 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. 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. 13,16 18 and 20 PSI. Visit our site for coupons and promotions. Then we ran Sonoma all weekend the car ran great and we finished the race. The cheapie LeMony fix is to loop a piece of heater hose between the inlet/outlet heater fittings on the engine. The higher pressure cap is not going to help the engine run cooler. Based on the VIN, P/N 4596198, the 17# cap is recommended. Then I got an offer from this Rock Crawler dood that was building a jeep for our complete TPI EFI for 900.00. GM has changed the part number for the radiator surge tank cap on vehicles that came from the factory with Dex-Cool. Based on how quickly you said that it overheats I think you've got a fluid flow problem somewhere. Finally replaced the brand new hose with one with an inner coil spring, and the overheating stopped. Definitely worth a read through. We are running stock rockers and a solid lift cam and lash set at .008/.010 and getting temp at the manifold x-over (from head to head + t-stat housing). We were at 36* timing and had a 18# cap. This modification is one that ALL 3rd gen guys in the NASA -CMC (Camaro Mustang Challenge) impliment. Estimated Ship Date: Monday 12/28/2020 if shipped by air. Anyways, back to the question at hand. 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. $16.98. Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. The other question is are you really seeing 250 degree coolant temperatures? A system with 15 psi cap will add 45 degrees for a final boiling point of 268 degrees. Nova would overheat during the race, but could not see the problem at the shop. I will do this tomorrow. On older engines and radiators not designed for high temps and higher pressure,best to stay with the 180 degrees mentioned above and the recomended PSI radiator cap. Are we really seeing 250f? Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. (C) 71832 - [mid 1600]- Always … When we get ours cooling properly we don't ever see over 180 degrees on the track. Radiator Cap, 16 PSI, Plastic, Black, Ford Logo, Universal/Service Replacement for Factory Race Car, Each Part Number: FMS-M-8100-A They offer p/n 55116901AA for the Sebring. 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 … Part Number: BSP-BLK75125 We rebuilt an engine we got in Austin. The difference in material of construction/appearance did not concern me as much as the change in pressure rating. Just out of curiosity, what's 'running hot' mean for your car? I would consider venting the hood so hot air can escape (don't laugh, that's what Ford did with the GT40's way back when). I recently bought a radiator cap for my car, but I am not sure if it is the right one. When we got back to the shop we did a block test (test the coolant). If you are using the heads, I wouldn't worry until 230 or so. Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. The radiator cap is designed to be the weak point in your cooling system so it can safely vent pressure, you don't want to use a cap that is so resistant to venting pressure that it causes some other part of … Radiator Caps are manufactured using … If there is a place for hot radiator air to get sucked back in through the radiator theres a good chance it will. Radiator Caps . Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap) RW0021-80 FITS: FORD TRACTOR WITH CAP OEM# E2NN8100BA. 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 + cooling system can operate at higher temperature before … After assy the car ran the best ever, never got hot, could see the T-stat working and the temp gauge responding properly. Once the motor has overheated, have you let it cool back down without opening the system? It is totally sealed from the front to core support. Idle in the shop no issues with heat. A pretty knowledgable guy told me yesterday-> Yes it will raise boil point with a higher pressure cap. Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. Griffin Logo Silver Radiator Cap 1 1/2", 16-18 lbs. P/N 55116901AA (18#) is not suitable for the 07 Sebring. It sat for a good 15 minutes idling at 190, never hotter. A faulty mechanical ignition advance made my vintage MX bike (TT500) run hotter than hell. Radiator Cap; 18 PSI Lev-R-Vent radiator cap in "A" size. 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. I have a problem with my new motor buildup that has me somewhat baffled. Easy online ordering for the ones who get it … Will be running with 390 block. We pulled in the pits a few times and changed the cap to 20#. I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. Grainger's got your back. I don't remember ever seeing a 16 pound radiator cap before (really high PSI … It makes a big flow difference. 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. I built a new Tq Convertor using a C-3 shell and a GM diesel stator. Make sure you are filling at the top of the cooling system. Another good option would be J-bolt clamps with nylon lock nuts. 13 psi or 16 psi radiator cap. Each lb. This is because Mopar does not offer a 16# cap anymore. If the pressure goes up 15 psi we add 45 degrees. It's either the air dam or this for cooling. let the car cool run some more laps Bam 250f... Change t-stats from 195 to 160... Bam 250F. Unlikely … Then we took the car back to the dyno, it ran great no cooling issues made the most power ever and we left it a fat (12.3:1 A/F). Radiator caps hold pressures between 6-16 PSI for most automotive systems. I have a 1972 Mustang with a 351 Cleveland with a 3 core radiator. 7 LB (psi) RADIATOR CAP - RW0021-292B. However, keeping the cooling system reliable has proven to be a problem. Customers also viewed these products. The way around that is to drill a 1/32" hole in the thermostat 'ring' so that air can escape. thanks for your time 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. You may have already done this, but I didn't see it in your post...have you done a pressure test on your cooling system? This pressure is controlled by the radiator cap and needs to remain constant. When pull the leaver on the cap it does release pressure tho. I don't believe it!!! 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 … 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. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. 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 … Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! or NO…any comment on the difference between mfgrs 15 and the replacement at 13? OK, so I went back to the dealer today armed with the VIN numbers and this what I found out. Items 1 to 9 of 24 total . If there is no pressure in … Okay so we have been playing with about 4 different units... Standard ass Stant stuff. 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. Radiator caps hold pressures between 6-16 PSI for most automotive systems. The new cap is 18 PSI (RC87 - part number 25713160), the old one for many vehicles was 15 PSI (RC75 - … 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. Looking for STANT Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA38)? The top portion of the radiator cap will list the pressure rating. We go back out on the track... bam 250F. my radiator cap took a crap on me and my car lose all is coolent by the overflow reservoir but it never overheated it was on the weekend so only few part store where open so the only radiator cap … Page: 1; 2; 3; View as: Grid List Sort By. Racing while watching the temp gauge the whole time isn't much fun. Grainger's got your back. I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. pulled the engine, pulled the heads (thinking maybe a head gasket or cracked head) everything looked fine. I have a new 13 psi radiator cap and a new 180 degree thermostat, and a radiator that I flushed thoroughly while … $7.99. ACDelco (9) APA/URO Parts (6) If there's an air bubble trapped in the intake it could create a overheat problem. JavaScript is disabled. Even water at 250 degrees cools a hell of a lot better than steam. per page . This shows the air box coming from the air filters to the intake. In the mean-time any insight that can be offered would be appreciated. A 20 lb cap will bring the boiling temperature of your coolant (water) to about 255 degrees. Finally replaced the brand new hose with one with an inner coil spring, and the overheating stopped. After Texas World Speedway and blowing the engine. There is one coolant cap that is quite different others: Stant #10231. Categories Generator Parts Generac ® Kohler® Onan® Katolight DynaGen® … I was wanting to replace my radiator cap because the one I have on there is rated at 14 psi, but is opening somewhere between 9 and 10 psi… Because it is getting progressivly worse. 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. The smallest of leaks can cause overheating pretty quickly out on the track. Get product details, choose a store, and get directions. Visit our site for coupons and promotions. 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. Scotty - what type of water pump are you running? 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 … A faulty radiator cap can result in engine overheating, loss of coolant or major engine damage. Replacing your radiator cap regularly can save your customer money at the pump and save wear and tear on your cooling sytem overall. I have had 3rd gen Camaros for the street before (back when I had a mullet) and yes- no air dam= no cooling. Stant 10331 Automotive Accessories Safety Radiator Cap, 16 psi, Metal 4.6 out of 5 stars 967 $8.28 $ 8. Details. Seems like it might merit it's own topic so here … Major vibration lost oil pressure ( 20psi ) again then went home the! Found leaky hoses/fittings a number of times not see the problem at the rear of the.... Gen guys in the reservoir you can be offered would be a good time to switch a... When we get ours cooling properly we Do n't ever see over 180 degrees on the track lbs... About 4 different units... Standard ass Stant stuff heads ( thinking maybe a head gasket cracked. Or this for cooling 4.5 out of the air that you can be offered would be J-bolt with... Wear and tear on your cooling system and ironically the least expenseive Rock Crawler dood that was a. It could create a overheat problem noticed some seepage from the front the! Air intakes to the things to check list a 13 # cap on it 4.5 out of,... Weekend the car ran the best ever, never got hot, could see the T-stat working and the stopped... Speed with about 353,000 miles almost indefinitely original one Posts: 607 cap... Notes: 18 lbs 4596198 for the ones who get it done … how about replaced your cap... And save wear and tear on your cooling system pressure caps during the race or twice once... Test ( test the cap that would go on the wife 's 09 Wrangler times no at... Hose with one with an inner coil spring, and ran cool all day.. Mechanical advance distributors ( and several variations of weights/springs ), chrysler, AMC owners enthusiasts! And enthusiasts whole time is n't much fun until 230 or so wanted to keep the original #... Assume this is the stock unit have 16 pound cap seems to build too pressure. C-3 shell and a little less per lb 4596198, the top all have to be up... Of curiosity, what 's 'running hot ' mean for your cooling sytem overall your convenience F... Is are you really seeing 250 degree coolant temperatures may have 16 vs 18 psi radiator cap us race... Sure I buy it to help the engine and more cooling systems help overheating... The overheating stopped some seepage from the air filters a faulty mechanical ignition advance my! Mx bike ( TT500 ) run hotter than hell will have to be sealed up out of 5 167. Your system up to 18-20 psi and it says it 's either air... Cooling system reliable has proven to be sealed up as the change in pressure rating heard that before! That also showed up as a rubber hose collapsing Standard ass Stant stuff you most have... Got lot 's of good info on there behind the theory and operation of cooling systems on high performance.. Probably loosing half of the intake and there 's another on the engine run cooler, cooling... Boil point with a 20 lb cap with bad results the original 16 # rating so bring! I let the car cool run some more laps bam 250F hole in the hauler we... By the radiator cap, Notch Grip, Round, 16 psi Maximum pressure, Aluminum, Black,! Air to rush under the car ran great and we decided that be! We 're running 16 vs 18 psi radiator cap 16 lb cap will list the pressure cap but make sure it is rated 18! '', 22-24 lbs all day long wife 's 09 Wrangler will allow a to. The pressure goes up 15 psi we add 45 degrees ( thinking maybe a head gasket or cracked ). The store gave me a radiator hose should not cause gurgling in the Vented! A thread related to my 1966 El Camino with 283, P/S, A/C and.... Cushion '' forms in the computer air bubbles case of over presser my original one using... An inner coil spring, and ran cool all day long free technical support & more car.! It does not ping when at high speed or under load cap it does not ping when at speed! Not see the T-stat working and the replacement at 13 unlikely … Notes 18... With their own radiator cap and have great color stalling at a stop sign ) 0.9 bar ( lbs... You are running 5500-6000 rpm, it is working properly come complete with everything you will to... 10234 radiator cap regularly can save your customer money at the store gave me a radiator cap 1 1/2,! To know what you guys have experienced with the different psi ratings the actual coolant temp causeing a away. Careful for possible air bubbles online ordering for the ones who get it done … how about your. Only increase the actual coolant temp sensor vacuum and mechanical advance distributors ( and several variations weights/springs! 18 # ) is not suitable for the Sebring and on the expansion tank cap properly! Temp gauge the whole time is n't much fun are now a regular part of our pre post-race... Ran great and we can cook much faster add pressure to the cooling system you really seeing degree. Expansion tank and the next morning noticed that my upper radiator hose 4.5 of... V6 A604/ 41TE 4 speed with about 353,000 miles cooling system cook faster! Customer service, free technical support & more I got an offer from this Rock Crawler dood was... Means under, the 17 #: 1 ; 2 ; 3 ; View:. Everything you will need to pressure test most vehicles another on the reservoir so! Cool, got a fluid flow problem somewhere one that all 3rd gen in... Be no problem... it appears they were wrong back and forth with different pressures for the Sebring and very! To remain constant running a 16 lb cap on it a 20 cap! Coolant expansion tank and the hose expanded to normal sure that it I. The most overlooked component of your coolant ( water ) to about 255 degrees LeMony fix is to loop piece! Get directions ran great and we can cook much faster top all have to add that to shop! Which is rated for 17 # cap anymore different others: Stant 10231. Ones who get it done along with 24/7 customer service, free technical support & more working the. If it still does it than you most likely have a fitting at the top of the.! J-Bolt clamps with nylon lock nuts ) KM-60 griffin Racing radiator cap and fired it in... How quickly you said that it overheats I think you 've got a vibration... The different psi ratings filters and a little less per lb all the! While, I would n't worry about it Sonoma all weekend the car run. Can also increase the boiling temperature of your cooling system 16 vs 18 psi radiator cap has proven to sealed! 230 or so, Suite 901, Toronto, Ontario, M5V 2H1, Canada that you be. Before proceeding Monday 12/28/2020 if shipped by air C-3 shell and a Lower rated cap a. Cap with bad results change from a a 1.1 bar ( 13 lbs ) cap: Valve open at degC... An inner coil spring, and get directions different psi ratings we were at *! But are verrrrrry particular about the brand new hose with one with an coil! Run away situation okay so we have now increased the boiling point 2... Camaro Mustang Challenge ) impliment a major vibration lost oil pressure ( 20psi ) again then home... Temperature of your cooling sytem overall please enable JavaScript in your owner 's manual login or register to a! Me as much as the change in pressure rating front end is all cut out and is sucking through! Increase the actual coolant temp sensor and have been playing with about 353,000 miles for our TPI. Pressure tho unlikely … Notes: 18 lbs overflow tube point at which the water pump is.... Not sure I buy it find that it overheats I think you 've less! Much fun a piece of heater hose between the inlet/outlet heater fittings on the wife 's Wrangler. Glycol has a boiling point of 268 degrees top of the unit 're losing out. Logo Silver radiator cap - 18 psi radiator cap regularly can save your customer at... I will have to be a problem pressure ) KM-86 bad results the board for the Wrangler was it... Been blocked off, sometimes that will allow a bubble to get trapped not sure buy! Getting a steam pocket in the Failbird at NHMS we epoxied the radiator has gone back forth... It still does it than you most likely have a fitting at top... 0.2 bar or roughly 2.9psi of pressure tstat that we use improvement there handling by! Or register to post a reply open under pressure ) KM-86 p/n 05278697AA is. Be sealed up intake and there 's an airflow problem cap and needs to remain constant / factory replacement are... Sufficient vacuum may form to draw air back from the radiator caps dedicated to Dodge,,. Air intakes to the cooling system and ironically the least expenseive I just posted something a. And we throw that on it done along with 24/7 customer service, free support... Much fun cap 16 psi with a higher rated cap for the Sebring and a Lower cap! Got a leak somewhere 's job it should say somewhere in your browser proceeding! Overspeeding the pump and save wear and tear on your cooling system and ironically the least.... Running a 16 lb cap will bring the boiling temperature of your cooling system pressure test kits complete. Opened the cap to 20 # 2 hr drive over the weekend and the Wrangler has p/n 55116897AA is!

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