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| | | Forums66 Topics128,130 Posts1,056,720 Members48,454 | | 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
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| | | | Joined: Sep 2009 Posts: 27 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2009 Posts: 27 | I have a '50 3600 with a 216 and 4 on the floor. I found a 3/4 ton third member out of a '67-'72. I was able to slide the axles out a couple inches, un-bolt the 4.57 third member, and slip the newer one right in. It gave me a simple upgrade to 4.10 ratio. This set up yields a cruising speed of 50-55 mph, top speed is 62. That is as fast as I'm comfortable traveling on drum brakes.
If you need to know how to determine the ratio of the donor third member there's a thread somewhere regarding it or sometimes the salvage yard has them marked already. | | |
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