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Jimmiv

1961 Buick Rear end

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It's probably 3.23:1, but you can check it by carefully counting driveshaft and tire revolutions revolutions with the rear of the car (at least one side) off the ground.  Use paint or a chalk mark on the driveshaft and see how many tire revolutions it takes to get one driveshaft revolution.  Count for 3 or four shaft revolutions and divide by that number for a more precise answer.

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11 hours ago, JohnD1956 said:

@EmTee didn't  you mean the number of driveshaft revolutions per tire revolution?😎

 

Um, yeah.  I knew I was going to get it backwards...  :wacko:

  • Haha 2

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