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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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#29958 09/22/2003 5:02 AM | Joined: Dec 2001 Posts: 1,745 Member | | Member Joined: Dec 2001 Posts: 1,745 | Once rolling there should be no difference in the shifting patterns. It is the overall gearing that changes, not the individual speeds. I think these trucks have enough torque for the change even with the 3 speed. I am about to do it myself.
54 3100 with 235
62 flatbed dump C60 with 261
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