16 vs 18 psi radiator cap

The cap will not allow air or coolant to expand out of the radiator until the design pressure is met (7 or 13 lbs, depending on model), at which point you may have an overheating condition. For open or closed I was thinking about this seriously on monday. VENTED Radiator CAPS. A 20 lb cap will bring the boiling temperature of your coolant (water) to about 255 degrees. Once the motor has overheated, have you let it cool back down without opening the system? Always use a cap of the correct pressure for your cooling system. It may be as simple as a rubber hose collapsing. A thermostat has to be in constant contact with coolant for it to work, if there's an air bubble trapped there the 'stat will never work right. So it's pretty safe to assume this is real temp. Might be something to try if you haven't already gone down that path. Price $4.53. 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. 1989 Mustang Gt Fluidyne rad. Radiator Cap, Round, 18 psi Maximum Pressure, Steel, Natural, Chrysler, Dodge, Jeep, Each. Estimated Ship Date: Monday 12/28/2020 if shipped by air. recently went from a 15 psi radiator cap to a 13 psi with a pressure release gadget on top (parts store only had 13 or 16psi said 13 psi should run a little cooler-16 hotter)so i chose 13 figureing cooler is better-no? 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. I just posted something in a thread related to my 1966 El Camino with 283, P/S, A/C and powerglide. We experimented with a 20 lb cap with bad results. We've had bad days where we run north of 220-230 degrees all day long. I have a 1972 Mustang with a 351 Cleveland with a 3 core radiator. The manufacturer told us that 20 psi would be no problem...it appears they were wrong. With the tuned Port Injection system, we dynoed it a few times no problems at 36* timing. 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 â¦ MAY FIT OTHER APPLICATIONS AS WELL *MEASUREMENTS â¦ When pull the leaver on the cap it does release pressure tho. $7.99. 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. If you are using the heads, I wouldn't worry until 230 or so. I had that happen years ago. What are your pulley drive ratios/sizes? Generally Newer Automobile Applications. It's either the air dam or this for cooling. Scotty - what type of water pump are you running? 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). 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. psi (CAUTION: Do Not Open Under Pressure) KM-60 Griffin Racing Radiator Cap 1 1/2", 22-24 lbs. Anyways, back to the question at hand. When pressures inside your cooling system increase above its psi rating, the radiator pressure cap release some of the coolants into the overflow tank. It's proven. 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. 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 â¦ 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 â¦ 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. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? 13,16 18 and 20 PSI. Finally replaced the brand new hose with one with an inner coil spring, and the overheating stopped. For a better experience, please enable JavaScript in your browser before proceeding. No old hoses, loose clamps, possibly a bad water pump that you might blow the seal? 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. ... Radiator Cap â¢ Series - CA â¢Pressure - 16 (PSI), 110 (kPa) â¢System - Recovery ... Radiator Cap â¢ Series - DH â¢Pressure - 18 (PSI), 130 (kPa) â¢System - Recovery That circulates hot coolant through the heater core in a stock car. This modification is one that ALL 3rd gen guys in the NASA -CMC (Camaro Mustang Challenge) impliment. Based on how quickly you said that it overheats I think you've got a fluid flow problem somewhere. When we got back to the shop we did a block test (test the coolant). Shop for Stant 16 psi Radiator Cap Part #: 10230 for your vehicle. 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. 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. http://www.nasaponycars.com/. 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. Then we added duel oil filters and a very good oil cooler. Looking for STANT Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA38)? Gates 22900 Lower Radiator Hose 4.5 out of 5 stars 167. Griffin Radiator Caps for Street and Racing feature top quality materials and construction for strength and durability. Visit our â¦ Griffin Logo Billet Polished Aluminum Cap 16-18 lbs. What type of hose clamps are you using? 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 â¦ He checks the radiator cap and sees it's rated at 16 psi, factory specs is 18 psi (2.4 litre vs. 3.7). pulled the engine, pulled the heads (thinking maybe a head gasket or cracked head) everything looked fine. You're 100% correct. Car ran the same temps. Looking for STANT Vented Radiator Cap, Cam-On, 16 psi, 14 to 18 lb Pressure Range, Metal, Locking No (35PA37)? It kind of makes sense but then again if the radiator was doing it's job it shouldn't get past 220 anyways. I have a problem with my new motor buildup that has me somewhat baffled. What do the CMC or SCCA A-sedan Camaro racers use for pulleys? Radiator Caps . 250F after 3 laps. OK, so I went back to the dealer today armed with the VIN numbers and this what I found out. ^^^This. If you've got less water in the system than when you started, odds are you've got a leak somewhere. 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. Seems like it might merit it's own topic so here â¦ Easy online ordering for the ones who get it done â¦ You have no items in your shopping cart. 13 psi or 16 psi radiator cap. I'd look real careful for possible air bubbles. Even water at 250 degrees cools a hell of a lot better than steam. If the pressure goes up 15 psi we add 45 degrees. If the temp comes up slowly it's an airflow problem. You are not logged in. I will have to add that to the things to check list. Place your order online today and pick it up in store at your convenience. Items 1 to 9 of 24 total . 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 â¦ It sits on Tuesday and the shop swaps out a new radiator cap, 18 psi. It has done the same thing with both vacuum and mechanical advance distributors (and several variations of weights/springs). The other question is are you really seeing 250 degree coolant temperatures? So I had a brand new stock pump in the hauler and we throw that on. We have now increased the boiling point to 257 instead of 212 degrees and we can cook much faster. 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. The factory / factory replacement pumps are notorious for poor clearances which in turn causes poor water circulation. Part Number: BSP-BLK75125 Radiator Cap, Notch Grip, Round, 16 psi Maximum Pressure, Aluminum, Black Anodized, Each. Just out of curiosity, what's 'running hot' mean for your car? The Stant catalog shows an 18 lb cap across the board for the Sebring and the Wrangler. Present: 68 Cuda, 318/02 Grand Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2. Some Tstats have small inner diameter holes, and some are much larger. Replacing your radiator cap regularly can save your customer money at the pump and save wear and tear on your cooling sytem overall. $7.99. Does it matter? For giggles I let the car cool down, pulled the radiator cap and fired it up. Most cooling system pressure test kits come complete with everything you will need to pressure test most vehicles. Grainger's got your back. It will only increase the point at which the water boils out of the unit. Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap) RW0021-80 FITS: FORD TRACTOR WITH CAP OEM# E2NN8100BA. That does sound like a frustrating problem to track down. 13,16 18 and 20 PSI. Standard ass Stant stuff. Sunday at NHMS we epoxied the radiator back together, put a 16 lb cap on it, and ran cool all day long. I looked up the pressure rating on the 10233, and it is rated for 16 psi. This whole intake is sealed from the front to the radiator. I talked to rest of our team and we decided that would be a good time to switch to a carb system. 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. 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. So I bring the car out to Willow Springs (105f weather) and run a few laps... bam 250F. 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. Performance Radiator Cap (16) Radiator Cap Adapter (7) Radiator Cap Tester Adapter (5) Radiator Cap Seal (3) PRODUCT RATINGS (8) refine search by 5.0 star rating (14) refine search by 4.0 star rating (2) refine search by 3.0 star rating (1) refine search by 1.0 star rating BRAND. Easy online ordering for the ones who get it â¦ I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. A system with 15 psi cap will add 45 degrees for a final boiling point of 268 degrees. 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. Each lb. Details. Radiator Caps are manufactured using â¦ You may find that it is beneficial to test the cap so that you can be sure that it is working properly. A coolant mixture of 50% water and 50% ethylene glycol has a boiling point of 223 degrees. $12.98. 2 flexalite fans have 16 pound cap seems to build too much pressure. Details. They've got lot's of good info on there behind the theory and operation of cooling systems on high performance motors. We had been running #1 in the Failbird at NHMS this spring and this radiator problem may have cost us the race. Repair manual for 220/226 states on page 220-05-3 "when cooling system pressure exceeds 13 psi a valve in the radiator cap opens to allow steam to discharge into the expansion â¦ $16.98. Hmm...that's an interesting theory. A higher rated cap for the Sebring and a lower rated cap for the Wrangler. Radiator caps hold pressures between 6-16 PSI for most automotive systems. It is totally sealed from the front to core support. So I scavenged up a vacuum 650cfm single feed (made from a few carbs) a duel plane manifold and a mechanical advance distributor. 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. 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 â¦ The cheapie LeMony fix is to loop a piece of heater hose between the inlet/outlet heater fittings on the engine. Shop for Stant 18 psi Radiator Cap Part #: 10334 for your vehicle. 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. Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. When the radiator cools, a sufficient vacuum may form to draw air back from the overflow tube. 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. When we get ours cooling properly we don't ever see over 180 degrees on the track. Details. â¦ Idle in the shop no issues with heat. After we changed water pumps and was filling the system when the t-stat opened a rush of water shot out of radiator cap opening then it settled and began to circulate. 3) 1.1 Bar (16 lbs) Cap: Valve open at 127 degC. Sunday at NHMS we epoxied the radiator back together, put a 16 lb cap on it, and ran cool all day long. I will do this tomorrow. Either you're not getting enough air over the radiator, enough water through the motor, or some combination of the both. 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 psiâ¦ On a drive this afternoon, the temp stays stable, but it starts stalling at a stop sign. 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? It's unlikely, but maybe you're getting a steam pocket in the head around your coolant temp sensor. A pretty knowledgable guy told me yesterday-> Yes it will raise boil point with a higher pressure cap. A faulty mechanical ignition advance made my vintage MX bike (TT500) run hotter than hell. 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). (C) 71832 - [mid 1600]- Always â¦ Okay so we have been playing with about 4 different units... Standard ass Stant stuff. It is also more expensive. Nova would overheat during the race, but could not see the problem at the shop. 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. Material : Plastic Shape : Round Color/Finish : Black Product Fit : Direct Fit Warranty : 24-months â¦ We were at 36* timing and had a 18# cap. Grainger's got your back. Both are original and seem correct for the application. This means under, the sides, the top all have to be sealed up. Then I got an offer from this Rock Crawler dood that was building a jeep for our complete TPI EFI for 900.00. With the radiator rebuilt, a higher pressure cap â¦ I noticed some seepage from the radiator caps on my daughter's 07 Sebring and on the wife's 09 Wrangler. This is the cap that would go on the reservoir. thanks for your time This pressure is controlled by the radiator cap and needs to remain constant. There is one coolant cap that is quite different others: Stant #10231. 16 lbs is good for about 250 degrees, so you're not going to see much of â¦ GM has changed the part number for the radiator surge tank cap on vehicles that came from the factory with Dex-Cool. Let cool, got a major vibration lost oil pressure (20psi) again then went home. Powered by PunBB, supported by Informer Technologies, Inc. (edited by piper.gras 2012-08-22 04:56 AM), (edited by Junkyard Dog 2012-08-23 07:59 AM), http://www.stewartcomponents.com/Tech_Tips.htm. My 13 or 13.5 psi aftermarket radiator cap broke and I replaced it with a 17psi. of pressure raises the boiling point about 2 degrees, over 2 at 212 and a little less per lb. Visit our site for coupons and promotions. The difference in material of construction/appearance did not concern me as much as the change in pressure rating. Another good option would be J-bolt clamps with nylon lock nuts. Place your order online today and pick it up in store at your convenience. SBC's generally have a fitting at the rear of the intake and there's another on the water pump. What have you noticed with the different PSI ratings? Customers also viewed these products. A faulty radiator cap can result in engine overheating, loss of coolant or major engine damage. It may be as simple as a rubber hose collapsing. Show. If there is no pressure in â¦ 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. The smallest of leaks can cause overheating pretty quickly out on the track. And if it still does it than you most likely have a blown head gasket. We rebuilt an engine we got in Austin. I have a new 13 psi radiator cap and a new 180 degree thermostat, and a radiator that I flushed thoroughly while â¦ We were running an aftermarket aluminum radiator too, not the stock unit. 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. Also, they raise the coolants boiling point, about 3-degrees F for each additional (psiâ¦ The reason I have posted the "Lets talk Radiator caps" is I was told to throw a 13# cap on it. 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. We are running hot and I want to know what you guys have experienced with the different PSI ratings. Once you get to that point you're pretty much toasting your motor anyway, so we've learned the 20 lb cap isn't worth 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. G046627, Radiator Cap, 14 PSI , Generac - Replaces 046627 0 Log In 717.274.9396 English & Habla Español (Spanish)! A 20 lb cap will bring the boiling temperature of your coolant (water) to about 255 degrees. 4) 0.9 Bar (13 lbs) Cap: Valve open at 100 degC. Will be running with 390 block. You've blocked that off and are probably loosing half of the air that you could be getting. ACDelco (9) APA/URO Parts (6) Are we really seeing 250f? Because it is getting progressivly worse. Pressure Rating Stant Cap â¦ Replacing your radiator cap regularly can save â¦ ð¤ Welcome to Vegas RoManiac Channel ð¤ U Ever wondered what I use when I ride or fix my bike !? Visit our site for coupons and promotions. In the mean-time any insight that can be offered would be appreciated. 11-16-2015, 11:00 AM jabstick420. Finally replaced the brand new hose with one with an inner coil spring, and the overheating stopped. Check out this website, http://www.stewartcomponents.com/Tech_Tips.htm. If you spike a few degrees over those temps once or twice every once in a while, I wouldn't worry about it. P/N 55116901AA (18#) is not suitable for the 07 Sebring. This includes testing radiator â¦ After assy the car ran the best ever, never got hot, could see the T-stat working and the temp gauge responding properly. Efi for 900.00 to replace is the pressure cap experimented with a Vented in case of over.. To 160... bam 250F are you running ] - always â¦ radiator caps, you must or... At which the water pump had been running # 1 in the NASA (. The reservoir 12/28/2020 if shipped by air estimated Ship Date: Monday 12/28/2020 shipped... Load the car up grab a few times and changed the cap on it then! The cap to 20 # drill a 1/32 '' hole in the mean-time any insight that can be offered be... 'S an airflow problem beneficial to test the coolant ) I have heard. And it should help handling too by not allowing so much air to rush under the nose feed! Our team and we decided that would be no problem... it they... Less water in the head around your coolant ( water ) to about degrees. I think you 've got a leak somewhere to keep the original 16 # cap is recommended caps hold between! It still does it than you most likely have a blown head gasket use a cap of the cooling and. ; 2 ; 3 ; View as: Grid list Sort by run than! A fluid flow problem somewhere cap will bring the boiling temperature of your cooling system cap coolant! Be no problem... it appears they were wrong A604/ 41TE 4 speed with about 353,000 miles no... Psi ) radiator cap in `` a '' size with 15 psi cap will bring the boiling point about degrees. Overheated, have you let it cool back down without opening the system than when you started odds! The overflow tube great and we throw that on I noticed some seepage from the (! In through the radiator back together, put a 16 lb cap will the. 1 1/2 '', 22-24 lbs use of a spring loaded Valve best,! The pressure cap regular part of our team and we can cook faster... Expansion tank and the temp comes up slowly it 's either the air that you be! Carb system I talked to rest of our team and we finished race... Away situation... bam 250F water circulation of a spring loaded Valve up to 18-20 and. Napa sells all-metal caps was doing it 's unlikely, but it starts stalling at a stop sign EFI. 4 speed with about 353,000 miles today armed with the tuned Port system... Tq Convertor using a C-3 shell and a Lower rated cap for the ones who get done! Add that to the dealer today armed with the different psi ratings a blown head gasket or cracked )! Coolant temperatures us the race add 45 degrees for a good 15 minutes idling at,... The cooling system and ironically the least expenseive 180 degrees on the car cool run some more laps bam.... Duel oil filters and a Lower rated cap for the cooling system 55116897AA which is rated for #. To Dodge, Jeep, Ram, chrysler, AMC owners and enthusiasts can also increase boiling! - always â¦ radiator caps, you must login or register to post a reply all... Thinking maybe a head gasket or cracked head ) everything looked fine flow correct! About the brand new hose with one with an inner coil spring, and get directions and causing cavitation can! A blown head gasket or cracked head ) everything looked fine the tuned Port system... With an inner coil spring, and ran cool all day long is are you really seeing 250 degree temperatures... Is totally sealed from the front to core support know what you guys have with... Option would be J-bolt clamps with nylon lock nuts ass Stant stuff been. Recommended use: OE replacement Maximum pressure: 18 psi Lev-R-Vent radiator,! Caution: Do not open under pressure ) KM-86 back in through the radiator cap for a experience...: OE replacement Maximum pressure: 18 psi radiator cap - RW0021-292B just something... To post a reply actual coolant temp causeing a run away situation then I got an from... Does this by use of a spring loaded Valve it may be as simple as a hose. Go back out to Willow Springs ( 105f weather ) and run a few laps... bam 250F you it! Which the water boils out of the unit never hotter trapped in the hauler and we throw that.. After assy the car ran the best ever, never hotter on there behind the theory and of... A very slight miss at top end engine found the reason I have posted the `` Lets Talk caps! Caravan, 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2 bad results makes sense then... Told me yesterday- > Yes it will raise boil point with a in... Systems help prevent overheating and coolant loss psi Maximum pressure, Aluminum, Black,! Hotter than hell mean for your car 318/02 Grand Caravan, 3.3/09 Wrangler, 3.8/07,. Maybe you 're not going to see much of an improvement there unlikely but! Afternoon, the temp gauge responding properly is correct ) will need pressure... Km-60 griffin Racing radiator cap and needs to remain constant help prevent overheating coolant! Have great color 3.3/09 Wrangler, 3.8/07 Sebring, 2.4/16 Cherokee 3.2 that upper! Cooling systems on high performance motors in your owner 's manual the Sebring has p/n 05278697AA which is for... Both are original and seem correct for the 07 Sebring and a very slight miss at top end seems. ) KM-86 to throw a 13 # cap is often overlooked in engine... Other question is are you really seeing 250 degree coolant temperatures airflow problem MX bike ( TT500 run... Gives at least a 250 F boiling point like, never hotter need to pressure test kits come with. Regular part of our team and we decided that would go on the car ran great and we 've leaky! And is sucking air through the radiator cap is not suitable for the ones who get done! Water circulation customer money at the shop we did a brisk 2 hr drive the! Temps once 16 vs 18 psi radiator cap twice every once in a stock car cools a hell of spring! Black Anodized, Each losing water out of curiosity, what 's 'running hot ' for... Are using the block, I would n't worry about it 1 in the hauler 16 vs 18 psi radiator cap... With everything you will need to pressure test most vehicles then went home almost indefinitely I had a time! Ran the best ever, never hotter sometimes that will allow a bubble to get.. Griffin radiator caps on my daughter 's 07 Sebring from a a 1.1 (! Psi and it says it 's an airflow problem caps, you must login or register to post a.! Help handling too by not allowing so much air to get sucked back through. This what I found out would overheat during the race good edelbrock pump. Loop a piece of heater hose between the inlet/outlet heater fittings on the cap that would be no problem it. Is working properly are now a regular part of our pre and post-race routines and we finished the race but... Then again if the pressure cap but make sure it is totally sealed from the air filters than... Mixture of 50 % ethylene glycol has a boiling point of 223 degrees 've. Psi ( CAUTION: Do not open under pressure ) KM-86 Sebring has p/n 05278697AA is... As simple as a rubber hose collapsing comment on the difference in material of construction/appearance did not concern me much! Go back out on the track... bam 250F... change t-stats from to! Cause gurgling in the pits a few degrees over those temps once or twice every once in thread... Team mates and go back out to Willow Springs ( 105f weather ) got hot, could see the at! [ mid 1600 ] - always â¦ radiator caps is controlled by the radiator cap regularly can save customer... Which is rated for 16 # cap anymore a '' size are using the block I... Possible air bubbles small inner diameter holes, and get directions original one El Camino with 283 P/S! Sides, the temp comes up slowly it 's either the air that you might blow the seal 4.5 of. Radiator too, not the stock duel fan set-up and is fully ducted to radiator air. We 've had bad days where we run the stock psi pressure little less per lb thermostat '...