Quote:
Originally Posted by seventieshow
You could put a mark on the input and output shafts, put it in first gear, and if the output shaft turns 2 and a half times with one turn of the input shaft, that would be a M-20 (2.52:1 ratio). An M-21 would turn a little less then that, at 2.20:1.
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If it has 2 rings on the input, you don’t need to turn it. There is no mix and matching of parts. It is a M20, period.
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69 SS/RS 396 M20 X22 Nor 12B,72B,712 bought 1979
FULL OWNER HISTORY
69 Dick Harrell tribute Day II 427 M20 4.10 X11 76 orig pnt, 711
67 Super Stock 302 Camaro re-creation
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