Posted by Rick Kr on April 15, 2011 at 18:52:29 from (67.108.90.72):
In Reply to: Chev 454 oil cooler posted by Bob on April 14, 2011 at 10:29:49:
Bob,
I removed the two fittings, one does have a tapered plastic probe on it, if that is what you would call it. It sticks above the fitting about 1 inch or so.
The probe is open on all four sides, reminds me more of a metering orifice. I plugged the ports and fired up the engine, oil pressure was fine, maybe a little higher 5-10 lbs.
I have flareless fittings to make a short return loop or even plumb in a new cooler. But, I am trying to understand if that probe changes the flow. I guess it shouldn't since it is open anyways.
I did find this info, after digging pretty deep on a 7.4 Gen V motor.
After leaving the pump, the pressurized oil flows through a full-flow oil filter. On engines with an engine oil cooler, the oil also flows through the cooler before returning to the block. A bypass valve allows oil to bypass
the filter and oil cooler should they become restricted. Some of the oil, after leaving the oil cooler and/or filter, is routed to the No. 5 crankshaft main bearing. The remainder of the oil is routed to the main oil gallery,
This still doesn't say if all the oil goes through the filter and then the cooler, but it sounds like it. I think I'll just make up the small line between the 2 ports and call it good.
Do you agree?
Jeff, thanks for the offer on the lines, I will keep that in mind if this fix doesnt work.
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