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Mod | | | Forums66 Topics128,206 Posts1,057,433 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!
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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: Feb 2009 Posts: 3 New Guy | | New Guy Joined: Feb 2009 Posts: 3 | thanks to all of you for the advice and guidance. I did go to the rpm site as ghostrider suggested and it was a big help figuring put the rpm’s I was running with…..and knowing that czechman was successful in his change out to the 3.55 was the little unknown fact I was looking for. So I will proceed on the change out to the 3.55. I will still cruise at 50 mph since it is a comfortable speed for me….except I can do it more quietly. I will post a photo or two once I figure that out…..for now, thanks again for taking the time to respond !!!!
blaise
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