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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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Well the usual approach is to determine at what RPM the motor is going to be happiest and then assuming that answer doesn't cause other problems, you try to balance your overdrive, differential ratios and tires.
There are numerous calculators that will tell you speed at RPM at different tire sizes and ratios.
You are trying to get the balance right between a lot of factors and its not always easy.
You have to start with that judgment call regarding the optimum RPM for your priority usage.
I'm happy to dialog at depth about this, but today have run out of steam. Keep the dialog going.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
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