Re: [Chevelle-List] Main Case Patent number

[Z16CHEVELLEGUY]

lojac:
1969 to 1974 Muncie got a ratio designator at the end of the serial number. yours didn't have this. it should read P9P12A or B or C.
Letter: A    M20/ Ratio Letter: B    M21/ Ratio Letter: C    M22 Ratio
                                                      Larry (z)