Re: Muncie 4 speed ID info
not all M22 were fine spline
don't go by rings on input shaft to ID a trans
To me, best way is look at input shaft gear.
If it has 26 teeth on 45 deg angle it's M21
If it has 26 teeth on a 20 deg angle it's M22
It it has less then 26 teeth it's M20
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