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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
with Ads!  Again, thanks!
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#51866 11/04/2005 1:37 AM | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | Try thinking of it this way: in 55' the standard shift cars came with 3:70 ratio. OD 3sp trannys were 4:11. And that was a car equiped with either the 123HP 6 cylinder or the fancy new 162HP V8. In 57' the standard rear became a 3:55 for a car w/o OD. The tire diameters were smaller then too than what most of us use today.
This was all figured out by qualified folks who did their homework. (on sliderules) I still use mine occasionally. | | |
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