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Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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05-29-2019, 05:05 PM | #1 |
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When to use a higher pressure rad cap?
I've noticed that some of the aftermarket rads (like the Jackson Racing) even come with them.
Can I run an upgraded cap with the OEM rad safely? |
05-29-2019, 05:07 PM | #2 |
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A cap ain't gunna make ya or break ya.
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The Following 2 Users Say Thank You to 15limited For This Useful Post: | DarkPira7e (05-31-2019), Turbo (05-30-2019) |
05-29-2019, 06:44 PM | #3 |
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I've been using a higher pressure radiator cap for over a year now. You won't notice a difference except now when your coolant hits 250f you'll know it's not boiling.
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The Following User Says Thank You to Trueweltall For This Useful Post: | Turbo (05-30-2019) |
05-31-2019, 10:27 AM | #4 |
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When your headgasket is dying but you want to keep tracking. Wish I was joking but I ended up "patching up" the problem to finish the season and rebuilt later. It worked, until it got worse.
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The Following User Says Thank You to Icecreamtruk For This Useful Post: | bhmax (06-01-2019) |
05-31-2019, 12:13 PM | #5 |
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A lower temp thermostat is more useful than a higher pressure radiator cap.
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05-31-2019, 12:29 PM | #6 |
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Honestly, I'd advise against running a higher pressure radiator cap unless you've upgraded all the components which would see pressure to a point where they're rated to take the pressure you want to set and then some for safety. This is basically what I did. After swapping my radiator, I also swapped out the hoses and the filler neck before switching to a higher pressure cap.
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The Following User Says Thank You to Tristor For This Useful Post: | strat61caster (05-31-2019) |
05-31-2019, 01:00 PM | #7 |
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05-31-2019, 02:04 PM | #8 |
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05-31-2019, 02:19 PM | #9 |
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I think ole @humfrz may have some 'back in the day' stories about using eggs to fix cars.. or should that read carts??
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05-31-2019, 02:38 PM | #10 | |
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Quote:
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05-31-2019, 02:47 PM | #11 | |
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Quote:
hints by Bubba |
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05-31-2019, 06:23 PM | #12 |
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So when you say "this won't be an issue", by implication I'm taking it that you're saying the factory radiator with plastic end tanks known for cracking over time due to heat cycling, and the hoses and plastic filler neck engineered specifically for the rated pressure of the cooling system won't be harmed or experience accelerated wear in any way by changing the pressure relief valve to open at a higher pressure?
Or maybe, just because people don't immediately see their cars blow up doesn't mean something is a good idea and totally harmless. Pressure systems are serious business. It's not significantly costly to upgrade the related components to handle higher pressures if you have a reason to do so. For the vast majority of people running a higher pressure cooling system is completely pointless and buying a higher pressure radiator cap is a waste of money. |
06-01-2019, 12:08 PM | #13 |
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You're overthinking it Tristor.
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06-01-2019, 12:22 PM | #14 |
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U mad cuz u got roasted
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Perrin Transmission Bolt, Drift Button,Intake Tube, Radiator Hoses, Engine Mounts, Gurney Flap Diode Dynamics Always On Module OLM 3k HID Foglights GCS Smoked Side Markers Motul Gear 300/300 V OE Acantara arm rest Password JDM Dry Carbon rear diffuser Rally Armour Mud flaps H.I.C side & rear visor Gruppe-S UEL header/OP HKS Front Pipe Leg Sport Cat Back Koyorad aluminum radiator Wheelhaus CF low pro 3rd brake light Toms JDM Clear Tail Lamps
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