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Old 11-12-2010, 01:50 PM
Scruffybeast Scruffybeast is offline
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Default engine knock

I have a 1998 Ranger with a 3.0 engine. At certain rpms, it has a knocking sound, almost like main bearings. It does not use any oil. I am wondering about using a heavier grade of oil and/or an additive to try to quiet this down. Suggestions? Scruffybeast
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