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Old 06-19-2018, 11:38 AM
mfain mfain is offline
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Hey Bob,

If you are referring to the u-joint shafts with splines to absorb the length changes during suspension travel, there are some problems with spline friction/binding with high horsepower applications. Friction in the splines causes inconsistency in suspension geometry. The newer CV joints are very strong - in fact some drag and standing mile cars are hitting them with 2000+ WHP. I ordered the "1250 HP" CV joints/shafts from Detroit Speed - should be plenty good for a track car with 8-900 HP.

Pappy
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