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Click on image for the lowdown. 
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| | | Forums66 Topics128,024 Posts1,055,395 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: Aug 2010 Posts: 11 New Guy | | New Guy Joined: Aug 2010 Posts: 11 | I am not 100% but I believe it was 72 for trucks and 57 for cars but that would include the straight across bolt pattern as well as the staggered. I believe the staggered was for 168 T flywheel and the straight across was for the 153 T flywheel. I am sure I will be corrected if wrong. | | |
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