Hi,
I suppose you have dirt in your relief valve.
Cheers
Chris
Am 21.08.2014 03:30 schrieb <damys@charter.net>:
> Hello,
>
> I'm new to the group and hope I can get some advice. My son and I are
> building a GT6 into a racer and need some help. We've had the engine
> rebuilt with some mods. Ross pistons, WBC cam, roller rockers, head
> shaved to approx. 10-1 compression, mild port job and balanced.
>
> At Elkhart last weekend we overheated the engine and now there is no oil
> pressure at idle. The engine runs strong, no noise, and still has
> pressure when cold. As the engine warms the pressure drops.
>
> I will add a heavier radiator cap and a shroud to direct air into the
> stock style (aluminum) radiator. It's been suggested I shim the
> pressure relief valve to increase overall oil pressure.
>
> Any advice on resolving the oil and temp problems.
>
> The engine easily turns 6500 RPM's but we have the MSD set at 6000. The
> engine has approx. 1000 miles on it.
>
> Thanks,
>
> Dave Amys
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