| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,036 Posts1,055,452 Members48,422 | | 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: Jun 2006 Posts: 693 'Bolter | | 'Bolter Joined: Jun 2006 Posts: 693 | My 56 turned about 2600 rpm at 55 mph with the stock 3.90 gears. +/- 100 rpm can easily be explained by differences in tire size. The cover also has 10 bolts. So 3.90:1 is my guess  i have the 3.38 set in now and my rpms have dropped 300-400 @ 55 mph | | |
|
|
| |
