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🔧 Technical 04 Tahoe - Lower Oil Pressure

Bru

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May 24, 2007
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Amazon oil is private label oil made by Warren Distribution. They also do Craftsman, Gumout, Accel, Polar and Mag1.

 
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Chester Copperpot

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May 7, 2010
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Blanco el Norte
Did you dump 15/40 in there yet?
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rocco

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Jan 19, 2012
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Aurora, IL
You have worn cam bearings causing your low oil pressure.

The new oil brings your pressure back up. As the oil gets old, viscosity drops and so does your oil pressure. I don’t care what those oil analysis tell you.

Run a PF63 oil filter if you aren’t and run a heavier oil in it. It’s a bandaid fix but should run forever like this. If you don’t like that it’s time for new cam bearings. If you go through all that trouble, might as well put a long block in it.
 
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DEEZUZ

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Nov 20, 2008
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You have worn cam bearings causing your low oil pressure.

The new oil brings your pressure back up. As the oil gets old, viscosity drops and so does your oil pressure. I don’t care what those oil analysis tell you.

Run a PF63 oil filter if you aren’t and run a heavier oil in it. It’s a bandaid fix but should run forever like this. If you don’t like that it’s time for new cam bearings. If you go through all that trouble, might as well put a long block in it.

Why aren't the OA's picking up high wear metal counts?
 
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