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Click on image for the lowdown. 
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| | | Forums66 Topics128,154 Posts1,056,838 Members48,456 | | 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: May 2003 Posts: 224 Wrench Fetcher | | Wrench Fetcher Joined: May 2003 Posts: 224 | just curious if anyone knew if the rearend of a factory automatic is different than your standard transmissions of the same year. i would immagine so but anyone know the ratios and stuff? | | | | | Joined: Sep 2005 Posts: 310 Shop Shark | | Shop Shark Joined: Sep 2005 Posts: 310 | Now if you add a year, you might get some answers, but listing all options is only for keyboard friendly people  | | | | | Joined: Sep 2003 Posts: 2,384 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 2,384 | 3.73 was standard, 4.10 optional that about it. The 3.07 was available w/3 speed economy option. Brian | | | | | Joined: Jan 2005 Posts: 112 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2005 Posts: 112 | My 64 with 283/3-speed came with a 3:42 | | |
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