oil presser gauge goes up and down

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#11

08-25-2010 | 08:54 PM

BigRedRam95

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From: WV

Quote:

Originally Posted by Hahns5.2

35psi is plenty fine at idle, most engines idle closer to 20psi when warm in my experience.

The question is why it fluctuates, assuming your idle is steady.

Thats what I am wondering and as you can see in the video the rpms stay stedy.
Could it be the sending unit?

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#12

08-25-2010 | 09:31 PM

matty675

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From: Chesapeake, VA

Quote:

Originally Posted by BigRedRam95

Thats what I am wondering and as you can see in the video the rpms stay stedy.
Could it be the sending unit?

independent tests have shown the pureones to be excellent at filtering out foreign material, but a bit restrictive. also did you you use the same weight oil? correct me if im wrong but synthetics seem to be lighter than dino so that could also be the cause

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