B/PS lt1 formula

[gbur]

Originally Posted by Mark Yacavone

No difference in count ..both 30 spline ..Difference is in the length
Stator support shaft...all the same in modern GM transmissions ..Again, different lengths and placement

So approx how much pilot extension and most4L60 and 700 have what some would call an enertia ring, some having dual bolt pattern. Beleive my LS flywheel is dual pattern also