Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
08-02-2016, 12:02 AM
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Re: M20, M21 or M22?
That's an M20 wide ratio. Count the teeth on the input gear. Should be 21 teeth which identifies it as 2.52 to 1 wide ratio 4 speed.
That's a replacement input shaft which was available with no spline identification or "rings" located on the spline. Chris 
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