Re: 454 engine oil cooler PIC, part 2.

Posted by Rick kr on April 17, 2011 at 06:56:19 from (67.108.90.72):

In Reply to: Re: 454 engine oil cooler PIC, part 2. posted by Bob on April 16, 2011 at 21:42:01:

Bob,

I did a little experiment just to be sure.

1. Original cooler lines hooked up 65psi cold, 35-40psi warm.

2. Made up a small loop with a hydraulic line. Same psi, 65 cold, 35-40 warm.

3. Plugged the ports, again the same, 65 - 35.

There were absolutely no pressure spikes then a drop, as if I dead-headed the pump into bypass.

What threw me off a little in the beginning, I knew the truck had a new motor, but just assumed it was an "89 like the truck, but it is a 91-95, so the oil cooler routing and parts in GMDirect didn"t match.

Thanks again for your help.
Rick

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