I have a 1957 chevrolet with a 57 GM rearend. It's 60 in. wide. I would love to replace it with a 9 in. Ford or Dana 60 Chrysler. Which rearend would work without a lot of changes? I need something more durable or stronger.David
They will both require fabrication. If I were doing this I would go with the 9" Ford. It's easier to make gear changes and there are many different gear ratios. I know Currie and Moser are expensive but they fabricate them to fit right in.Good Luck and have Fun..Bob
I agree with Bob. I would go with the Ford 9" as the aftermarket makes units to go right into your 57.The Dana 60 has a bigger ring gear at 9.75 and I ran one in my 68 Camaro but they are heavy and the extra rotating weight will slow your car some. I think I could have picked up a couple of tenths switching to a 9". What kind of power/traction are you making. The stock 57 rear will handle 300 hp or so without much trouble. If you have a 600hp BB with slicks then it is time for another rear?
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