Cooling a Corvette Diff

Car builds, set up, race craft, safety and rules

Cooling a Corvette Diff

Postby Tiptoe » Sun Oct 22, 2017 8:13 am

Hello everyone. I have posted this question on a few different forums and gotten some decent replies...but I realized that I didn't ask the WRL people.

As some of you know I'm currently building my next WRL race car, a 1984 Corvette. This is the first time I have ever built a car with IRS in the back, I'm afraid of the diff overheating. I KNOW there are a few people that race these C4 vettes in the series I'm curious as to what (if anything!) they are doing to keep the diff happy.

I have gotten all sorts of replies, everything from "Leave it alone you will be fine!" to "Just duct some air to it" and "Drill and tap holes and install a pump and cooler"

So...whaddya you folks think?
Building a racecar...how hard can it be?
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Re: Cooling a Corvette Diff

Postby CBraden » Mon Oct 30, 2017 10:13 pm

Depends on the power through it, but I would run a cooler on it just to make it last longer.
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Re: Cooling a Corvette Diff

Postby Tiptoe » Sun Nov 12, 2017 6:49 pm

CBraden wrote:Depends on the power through it, but I would run a cooler on it just to make it last longer.


The plan is to have a lazy small block and keep the car in GP2. Like 200ish ponies. reliable and cheap to run is the idea here.
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Re: Cooling a Corvette Diff

Postby ABR-Glen » Sun Nov 12, 2017 7:55 pm

GP2 is where it's at
2014 - BIR 12Hr / MAM 15Hr / TWS 9+7
2015 - BIR 8+8 / MAM 9+7 / G'MAN 9+7
2016 - COTA 8+8 / MID-O 8+8 / BIR 8+8 / RPM 8+8 / 24@5280 / COTA 8+8
2017 - RA 8+8 / HPT 8+7 / 24@5280 / BIR 8+7
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