Quote:
Originally Posted by Gaz64
Your cooler and lines aren't big enough.
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As he said. Should be AN10 in
oil system, someone told me....
Can you use the 90 deg filter adapter?
Also try removing the
oil cooler to see if that helps, if larger lines do not so. You have a thermostat plumbed in?
Maybe
oil pump "whipps" the oil like some water pumps do at high revs????
It doesn't seem like your pickup/ pan is a issue.
However; at higher speeds- more sucking- more vacum around the pickup and the pickup glue to the floor. There goes your lower pressure at higher revs.
After all your oil PSI looks OK even if it drops; doesn't seem too low.