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Click on image for the lowdown. 
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| | | Forums66 Topics128,131 Posts1,056,722 Members48,454 | | 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: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | When I replaced my main bearings, I dropped the crankshaft a fair amount. I found out that if I didn't let it down evenly it would hang up on the thrust bearing. Also it can damage the front seal but in my case I had the cover off. I also had to check that the timing marks were aligned when I pulled it back up into place. You shouldn't have to drop it that much. | | |
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