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Old 08-29-2019, 09:01 AM   #17
glennpm
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Join Date: Sep 2014
Location: Wiscasset, Maine
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Default Re: Help with transmission selection

Good thread. Good site you found frnkeore.

I ran some different numbers for a 1939 transmission including a Columbia Two-Speed rearend with 25 and 26 tooth Zephyr gears. I set the max RPM at 4,000.

I have a set of the 25 tooth Lincoln Zephyr gears, a Columbia and 3.78 rear in my 32 roadster and love the combination.


Glenn
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