It is designed to add pressure to the cooling system and increase the boiling point like grandma's pressure cooker. Also, what do numbers on radiator cap mean? Once the excess pressure is relieved, the spring overcomes the remaining 13-14 psi and reseals the radiator. What I am wanting to know is if anyone sees any problem with upping the psi to a 16 psi cap and any problems that may cause. ACDelco 12R10 Professional 18 P.S.I. If they don't know what the correct one is, then find another autoparts store or order it online. My current radiator cap is a 13 psi cap and im looking at replacements that are either a 16 or 18 psi. Shop great value on all your auto needs. We carry radiator caps from the cooler leaders like AFCO, C&R Radiators and Mr Gasket, so you can rest easy knowing you're getting the best cap possible. $16.54 $ 16. Once the excess pressure is relieved, the spring overcomes the remaining 13-14 psi and reseals the radiator. It really stands out. It will just allow the engine to run hotter and at a higher pressure without boiling over. Along with the radiator cap the hoses, clamps, thermostat, gaskets and water pump are just also important. I just put an aluminum radiator in my 50 and I'm wondering what pressure cap I should use. Tridon offers an extensive range of radiator caps covering both metal and plastic designs suitable for use on sealed recovery or open non recovery vehicle cooling systems. Asked By: Toure Vega De Seoane | Last Updated: 28th January, 2020, Most radiator pressure caps keep the system pressure at, When the fluid in the cooling system heats up, it expands, causing the, All modern automotive cooling systems are under pressure, completely regulated by the. Performance-minded customers opt for a radiator replacement for one or more of the following reasons: they want lighter weight, they’re upgrading the cooling system for improved efficiency or they want to enhance the underhood appearance. She ran at 180 after that and I kept the 20 lb. If your stock cap says 16lbs, then get a 16 PSI replacement cap. Stant 10231 Radiator Cap - 16 PSI Vented. Overflow Tank Car & Truck Radiators. the car was running on colder days at 205° and on warmer days up to 210° and in stop and go above. ACDelco RC85 GM Original Equipment 15 P.S.I. Radiator Cap. 3 new & refurbished from $79.90. I think your problem might be further down the cooling system. Overheating engine. Get it as soon as Fri, Dec 11. ASI Performance Radiators Radiators . CV4 Radiator Cap 31psi TRX450R YFZ450 Raptor Banshee LTZ400 KFX450R CRF … Other options New from $5.87. Get it as soon as Wed, Nov 4. Stant 10334 Lev-R-Vent Radiator Cap - 18 PSI. I checked the thermostat and found none. Shop today! If the cap that you are using for your radiator is not sufficient, it can result in problems with your cooling system. These days, it's tough to find parts for your classic car that are made well. 99. 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? Free shipping on many items | Browse your favorite brands | affordable prices. Price Match Guarantee *conditions apply. Get the best deals on Custom Car & Truck Radiator Caps when you shop the largest online selection at eBay.com. $6.99 $ 6. FREE Shipping on orders over $25 shipped by Amazon. For a 68, Oreily's handed me a 16lb cap, as they were out of the 13 and their computer recommended both. Polished Billet Aluminum Cap 16 lb radiator cap with a high polish Finishing touch on your build! In every cooling system, you want to make sure that all of the parts are in good working order. The cap acts as a pressure relief valve. btw - This motor is not stock by any stretch of the imagination. GM has changed the part number for the radiator surge tank cap on vehicles that came from the factory with Dex-Cool. All modern automotive cooling systems are under pressure, completely regulated by the radiator cap. 4.5 out of 5 stars 400. They can operate at 20 psi indefinitely without harm. Re: Would it save my BMW to lower the radiator pressure cap from 30psi to 15psi: … Click to see full answer Also asked, what pressure radiator cap should I use? JEGS Radiator Cap [16 psi] $4.40 JEGS 16lb Radiator Cap With JEGS Logo. $16.54 $ 16. Our all aluminum radiator s are constructed using only the most high quality aluminum components and hand made by seasoned TIG welding professionals and fabricators.. 1 1/2", 16-18 lbs. Wizard Cooling Performance Aluminum Radiators. 54. 2. Re: Would it save my BMW to lower the radiator pressure cap from 30psi to 15psi: Paul : 1/22/10 2:59 PM: These things usually break due to hose movement stress fractures. Inadequate pressure means that the boiling point of your coolant gets much lower and unable to remove sufficient heat from your engine. Click to see full answer Likewise, what pressure radiator cap should I use? 54. Most cooling system pressure test kits come complete with everything you will need to … The radiator cap is often overlooked in common engine overheating problems. Free delivery and returns on eBay Plus items for Plus members. Pump the pressure tester to the pressure stamped on the radiator cap. $19.70 JEGS Radiator Cap [13 psi] $4.40 JEGS 16lb Radiator Cap With JEGS Logo . Part of the problem is how much i have to use the skinny pedal when im up here in denver... im so low on power that im full throttle through alot of things and im still barely turning the tires. Without Sacrificial Anode Radiator Cap, the thermostat housing cover shows major deterioration after 60,000 miles. When pressure exceeds 13 or 14 psi (or whatever the cap is rated at), it overcomes the cap spring tension and forces coolant out. OEM is 18 lbs. SKU: CAP-CC: Price $ 39. I have been running wither stock 16PSI or aftermarket 22PSI fans with a … Free shipping. The radiator also comes along with a thermostat kit, shroud, and a fan. 16. 98: Sale Price $ 35. This is a great and inexpensive way to make a big statement when you open your hood. These days, it's tough to find parts for your classic car that are made well. from Davidsonville, Md. Different radiator caps have different ratings, and it is important that you always use the correct cap for your radiator. Car and Truck Radiators. Shop with Afterpay on eligible items. Inspect your Sacrificial Anode Radiator Cap monthly. If your local autoparts store doesn't have one in stock, ask if they can order the correct one for you. 5.0 out of 5 stars 2. Part Number: MRG-2471S. Griffin Logo Silver Radiator Cap. If the cooling system were left open to the atmosphere, the temperature of the water would never rise above 212 degrees because it would boil out of the radiator and turn into steam. Which one do i need? Only 4 left in stock (more on the way). The closest to that (14) that I have found is 13 psi. In most older vehicles, this will be a 16 psi cap (Flex-a-lite PN 32101), while new vehicles usually use a 20-or-higher psi cap. The new cap is 18 PSI (RC87 - part number 25713160), the old one for many vehicles was 15 PSI (RC75 - part number 10296465). I have a '71 Chevelle with non original 350 SBC, Vintage Air, 700R4 trans, correct 350 sbc shroud. radiator and it comes with a 16lb Cap. Haven't been on here for awhile, did some searching and did not find an answer so hence the question. 4.5 out of 5 stars 400. Use one with the psi rating that the rest of your cooling system was designed for. 4.5 out of 5 stars 50. Why do radiator caps have different pressures? My radiator cap blew off when I went WOT with my 50trim on the 1st time. it would also depend on what motor you have, if you have a jeep 4.0 if its an open system or closed. Street Rod Radiator Caps in-stock with same-day shipping. An inspection of the rubber gasket on the NAPA cap shows that it is at least twice as thick as that on the Perkins cap and rather more pliable which was evidently all that was needed to resolve our difficulty. Radiator caps are the most overlooked component of your cooling system and ironically the least expenseive. Get the best deals on Custom Car & Truck Radiator Caps when you shop the largest online selection at eBay.com. FREE Shipping on orders over $25 shipped by Amazon. raising the pressure at which your radiator cap releases is raising the boiling point of the fluid in your cooling system. A 20 pound cap adds another 12 degrees to the boiling point. psi. 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. Should there be pressure in coolant tank? 697 Posts . cool thanks for the info guys. Ive got an aluminum BeCool Radiator in a 72 Nova...The recommended pressure cap to use is between 12-13 psi radiator cap....What would happen if I put a higher pressure cap on the radiator like 17 psi...Would it cause any engine damage or anything, No matter if you're looking for fashion or function, we've got you covered with beautiful chrome, stainless and brass caps, as well as, stock steel caps. That's why our cap is made with all stainless steel components to ensure it lasts forever and is machine pressed for final assembly. : if your overflow hose/tank is plugged if you have an older and... Engine overheating problems clamps & hoses they had, its shiny with a radiator! 'S pressure cooker some searching and did not find an answer so hence the question when i went autozone. Radiators on a gm 355 with kubota or ranger fan ] Stant 10334 Lev-R-Vent radiator cap from Speedway Motors the. Traditionally radiator cap can cause your car to boil-over at a lower temperature, but is an easy inexpensive! The discussion about trail reports, builds, Performance, modifications,,. Autoparts store does n't have one in stock, no modifications what-so-ever and going to see full answer Likewise what., 700R4 trans, correct 350 SBC shroud up the vacuum advance you open your hood money at radiator. Indy-Style Tri-Lobe, be Cool Logo, 13 psi suck coolant back in as the cools! System with 15 psi cap and im looking at replacements that are made well of golf Augusta... Found is 13 psi ] $ 4.40 JEGS 16lb radiator caps is not stock by any stretch of the.. 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Joined: Mar 3, 2001 Posts: 14,758 is relieved, the pressure-type radiator caps and get free on! Full answer Likewise, what does a higher pressure caps vs higher pressure cap will not increase the temperature. Classic car that are made well and get free Shipping on orders over $ at... Dissipation than any other stock unit boiling temperature of your coolant ( )! Please enable JavaScript in your browser before proceeding computer recommended both an answer so hence question. Your build orders of $ 35.00+ troubleshooting, fabrication, drivetrain, and a fan all orders...