03-13-2009, 04:38 PM
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CC Member
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Join Date: Jan 2000
Location: Maricopa,
AZ
Cobra Make, Engine: Car builder/restorer FFR
Posts: 439
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Not Ranked
the 500 has a 10 spline imput shaft and the 600 has a 26 spline. The 500 has a 3:25 first gear and the 600 has a 2:87 first. The 600 also has an optional .82 5th gear ratio.
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