All depends on the strength of the joint, if the joint can handle a bigger shaft, why not go bigger?
35 spine axles are stronger because of two reasons more contact area and Ryan from TCS also explained that the way he can cut a 35 spline makes them stronger then a 33 spline
Becuase the bigger it is the less it twists. The less it twists the more it beats up other things.
.so is a 934.5 and a 935 the same?
and do they all use the same bolt pattern?
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They are all the same deminsionally except for the splines. The real name for them is series 21 CV's.
I thought the 934.5 and the 935 both were 35 spline.
I see the use of "Series" all the time. Where did that come from? GKN calls them Size 21 (and Size 30, etc.)....The real name for them is series 21 CV's.