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Click on image for the lowdown. 
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| | | Forums66 Topics128,203 Posts1,057,412 Members48,471 | | 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: Feb 2006 Posts: 549 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 549 | Sounds a bit high to me as well.
I'm running a 350 & saginaw 4 speed (70ish Nova).
I changed from 4:10 to 3:35 and changed RPM's from about 3300 to 2800 at 70 MPH.
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