Re: Canadian 9010/9737 = M20 or M21
Don't know if this helps,but on my 1970 L-78 Chevelle made Oct.69.The original trans tag on it says C 70 W.It is a turbo 400.the Vin# is stamped on the drivers side below the pan.CW is also painted on pass. side of trans case and CW is on the buildsheet.
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