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Mod | | | Forums66 Topics128,095 Posts1,056,069 Members48,433 | | 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: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | If your trans has an 0.82 od then the 3.55 is good (2.91 final drive) but if it has the 0.67 od the 3.90 would be better (2.61 final drive). The 3.55 with a 0.67 is a very shallow 2.28 which might require 4th gear with hills or strong head winds.
Evan
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