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Click on image for the lowdown. 
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| | | Forums66 Topics128,108 Posts1,056,558 Members48,448 | | 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: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | You might want to first ID the engine, so that you can then look at a Shop Manual for information on how to inspect the rod and main bearings ( several Shop manuals are on-line here ). Post the codes and people will help you with IDs. Also, follow Hotrod Lincoln's advice (above) for IDing a low-pressure vs a high-pressure engine. Once that has been done, people can give better advice regarding bearing inspection and clearances. | | |
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