Quote:
Originally Posted by DWC
I wanted to follow up to this thread. I got the engine and trans pulled this weekend. It seems I have a 10 spline, 1 groove input shaft.
Not sure if we can ID it with that info or I need to crack the trans open to look at the gears.
Daniel
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I believe that all M22s were 26 spline. So that is either a M20 or M21. You can probably figure it out by turning the input shaft while the transmission is in first gear and see how many turns it take to get one turn of the output shaft.
The M21 had a 2.20 1st gear and the M20 had a 2.48 1st gear. So a little over two turns is it a M21...closer to 2.5 turns, then it is a M20...
Andrew