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Mod | | | Forums66 Topics128,036 Posts1,055,458 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Nov 2002 Posts: 1,002 Shop Shark | | Shop Shark Joined: Nov 2002 Posts: 1,002 | Main bearings, I've only heard in a couple of tired old motors that I have had. It was my Dad that told me what it was. Since he started work in a gas station at 9 years old. I figured he was right. It's a low thump, thump, not like a rod knock. I wouldn't think an 02 would be doing it, unless there many many miles on it.
Is the oil pressure up?
Larry
I don't own a vehicle that isn't old enough to drink.
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