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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Transmission - Rearend> GM 7.5 comparable to GM8.5 axle shafts?
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Topic Review (Newest First)
01-14-2013 06:47 PM
big gear head 28 spline 7.5 axles are the same as 28 spline 8.5 axles.
01-14-2013 04:12 PM
GM 7.5 comparable to GM8.5 axle shafts?

Can any one tell me if GM 28 spline axle shafts are all the same through the 7.5/7.6 and 8.5 models?

im trying to chase down the spline pressure angle of the 7.5 axles so as to get custom shafts cut.

the only information i can find is on GM8.5s which are 45* pressure angle.

thanks in advance.

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