| |
Click on image for the lowdown. 
====
| | |
10 members (55shaker, Hanks custodian, frogfarmer, cmayna, ShopRag, 2-Ton, Mike Roache, Gdads51, mk72, Opelika Tom),
115
guests, and
3
robots. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics128,185 Posts1,057,203 Members48,465 | | 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!
| | THANKS!
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: 54 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2005 Posts: 54 | Billybolt,
I have a 3/4 ton GMC rear at 4:57 and want to swith the pumkin with a newer GM 3/4 4:10. Is the old 66 8-bolt rear pumkin available?
Also considering to use a T-5 tranny with .72 O.D. to go 65 mph at 2764 rpm (with current 4:57 rear).
Eric | | |
|
|
| |
