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Mod | | | Forums66 Topics128,090 Posts1,056,024 Members48,432 | | 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
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on the Internet for over 30 years! and not clogged down
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| | | | Joined: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | The old three speed overdrives were 30% overdriven so behind a 3.90 that gives your a final drive ratio of 2.73. Anything in the high 2's makes a good highway cruiser but is near the edge if loaded or in hilly terrain and forget trailer towing in OD.
Evan
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