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View Full Version : what ring and pinion and 4th gear drive ratio


Bad bug
November 11th 2003, 23:35
Hi, guys

I have a 1975 1303 gear box that was transfered to swing axle case in my car and i was wondering what was the ring and pinion ratio and 4th gear ratio of this box.

Bruce2
November 15th 2003, 05:42
It depends on whether the car you got it from was a 1303 or a 1303S.
What was the code on the trans? An AT 1303S gearbox will have a 3.88 R&P and a .93:1 4th gear. An AM 1303 gearbox will have a 4.375 R&P.