Low oil pressure - oil pump a workable fix? |
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Low oil pressure - oil pump a workable fix? |
Tdskip |
Apr 18 2019, 02:21 PM
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#1
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Advanced Member Group: Members Posts: 3,686 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None |
Yeah, yeah, I know. It's not likely the oil pump but humor me.
The red aka turbo car is showing low oil pressure. It has a front mounted oil cooler and some sort of big bore engine. Oil level is full cold and when hot. When cold my oil pressure is good, when hot it isn't. I'm under 10 PSI per 1000 RPM hot. I don't have a history on the engine. I am running 20w50, Mahle filter. I have not put a mechanical gauge on it but it is already running a retrofitted VDO oil pressure gauge. Goal is to get another summer out of driving it if I can. I supposed it wouldn't hurt to try a mechanical gauge and heavier weight oil, but is there a chance it is the oil pump rather than bearings? |
Superhawk996 |
May 5 2019, 10:44 AM
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#2
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914 Guru Group: Members Posts: 5,819 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch |
My recommendation would be tear it down.
If you have low pressure, bearings are likely already torn up. Even if you successfully boost pressure either with a new oil pump with more capacity or via relief valve. The damage is done and it will only continue to eat itself the more it's run. Go take a look at my thread and you'll see an engine teardown that still had enough pressure to keep the idiot light off but has damage to both bearings and the crank. Rods to be torn down today. |
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