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Old 01-10-2018, 08:11 AM   #3
gabedrummin
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Join Date: Jan 2018
Location: Houston
Posts: 121
Garage
I agree with the wear, so. Aluminium oil pump housing running hardened steel gears. Low pressure is only at idle as soon as rpm increase so dose pressure. So why couldn't it
be the pump walls are slightly wore. At low rpm pressure is lost between gears and pump wall ?I cant believe no one has tried to re build or replace the pump . If it had low pressure across the entire rpm range then yes rod and main bearings shot.Or knocking rods .
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