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Old 05-18-2020, 09:16 PM   #6
1project2many
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Join Date: Mar 2012
Location: Lakes Region NH
Posts: 3,217
Re: 1957 Chevy Hydramatic rear end gear change

3:38 might be a bit much. I looked at a number of other vehicles using the Hydramatic and it looks like 3.68 was the lowest (numerically) offered gear ratio. If your engine makes enough torque and you don't mind slower takeoff then it might work for you.
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