Help to ID 1964-65 Muncie 4 speed

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**Jimlt4383** · #1 12-11-2021, 10:53 PM

Quote:

Originally Posted by John Brown

Early Muncies don't follow the same rules as later ones do. I also had a wide ratio 2.56 (325 case) with no grooves on the input.

Thanks, do you know when they started using the rings?

**Jimlt4383** · #2 12-11-2021, 11:11 PM

Looks like 63 through 65 had no groove on the m20 and 1 groove on the m21. I did not know that.