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Click on image for the lowdown. 
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| | | Forums66 Topics128,157 Posts1,056,875 Members48,456 | | 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: Jul 2009 Posts: 90 Shop Shark | | Shop Shark Joined: Jul 2009 Posts: 90 | Hello, I'm replacing the rear main seal in my '57 235 six cylinder. It was rebuilt not too long ago, but the rear main seal leaks. When I took off the rear cap I found that part of a shim was over the top of the rear main seal, between the two pieces. It appears to be a thin copper shim. Do I need to trim this off for the two pieces of rear main seal to seal properly? I've never seen this issue before. http://i156.photobucket.com/albums/t24/vetteman61/IMG_1418.jpgThanks, Brandon | | |
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