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Mod | | | Forums66 Topics128,089 Posts1,056,441 Members48,443 | | 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: Jun 2003 Posts: 54 Member | | Member Joined: Jun 2003 Posts: 54 | The 61 C20 has the original 4.57:1 rear end. My speedo is not working but it seems to run fairly smooth at around 50-55mph. Any higher and it sounds as if it is straining. Any thoughts on top cruising speed for this setup? Thanks!
Not quite as lean
Not quite as mean, but
Still a Marine!
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