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Click on image for the lowdown. 
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8 members (NAPCOStormTrpr, 1955 1 Series, joe apple, klhansen, GRNHydra, DBJ71SuperCustom, dt235sd, Opelika Tom),
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Global Mod,
Mod | | | Forums66 Topics128,079 Posts1,056,286 Members48,441 | | 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!
| | THANKS!
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 2010 Posts: 2,318 'Bolter | | 'Bolter Joined: Sep 2010 Posts: 2,318 | My 72 gmc had 3/73 ratio ,I also had a 69 gmc same setup only six bolt both trucks had the six the 69 was a posi rear axle also | | |
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