[Fot] Low oil pressure after overheating

jason at multivintage.com jason at multivintage.com
Wed Aug 20 19:48:31 MDT 2014


Use a 17 lb radiator cap.
Jason Ostrowski
Friendly Ghost Racing
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-----Original Message-----
From: jason at multivintage.com
Sender: "Fot" <fot-bounces at autox.team.net>
Date: Thu, 21 Aug 2014 01:45:55 
To: <damys at charter.net>; Fot<fot-bounces at autox.team.net>; Fot<fot at autox.team.net>
Reply-To: jason at multivintage.com
Subject: Re: [Fot] Low oil pressure after overheating

Hi, glad to hear you are doing this in our area. Lots of questions there and possible problems/ scenarios. Lets start with the most obvious. The stock sized radiator will not work for a race car. You need not only the shrouding (which you need for sure) but you need more volume. There are cheap and expensive options. Start with a high quality oversized unit as big as you can fit and your over heating should stop. The right unit will fix your problem and last for decades. 
Jason Ostrowski
Friendly Ghost Racing
Sent via BlackBerry by AT&T

-----Original Message-----
From: damys at charter.net
Sender: "Fot" <fot-bounces at autox.team.net>Date: Wed, 20 Aug 2014 21:30:09 
To: <fot at autox.team.net>
Subject: [Fot] Low oil pressure after overheating

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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