Quote: Your not going to break a 23 spline with 500 hp on the street even in a heavy car. I don't know why people bash these things, must be chebby guys
No , it's people that read too much BS posted on internet sites .
The parts I have broken in a 23 spline are the exact same parts I would break in an 18 spline ... INTERNAL BRASS SHIFT FORKS .
The 18 spline trans can be broken also , ask Hemi joel and Dave Dudek how many 3rd gear they have broken ?
Since the OP has a bunch of 23 splines I would just use them and replace as he needs to ... which will probably be ZERO ...