Early Muncie Decode
Hello,
My Muncie 4spd on my (in transit) 69 BB Camaro has the code P9P17. From what I have read the early 69 Muncie's did not have an A,B, or C after the code. The A,B,C are what designates if they are a M20, M21, or M22. So with that said, how can I can tell if its an M20 or M21?
I am ruling out M22 because of no drain plug of course.
Thanks for the help!
Anthony
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1970 Chevelle SS LS5 - 79k original miles, Tripple Black, build sheet
1969 Camaro SS/RS X22 - 548 with 5 spd, Hugger Orange, Houdstooth Interior
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