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Mod | | | Forums66 Topics128,060 Posts1,055,839 Members48,427 | | 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: Jul 2008 Posts: 1,262 Shop Shark | | Shop Shark Joined: Jul 2008 Posts: 1,262 | You need to know what gear you have in the rear end, to get the right gear for the transmission. You also need to know the diameter of the rear tires. Here's a link to a calculator that you can plug the information into: http://www.csgnetwork.com/multirpmcalc.html  Hope that helps! | | |
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