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69RSZ
07-14-2003, 01:30 AM
i have a date code of 0M21 on the alt in my 71 chevelle.is the letter M december? /ubbthreads/images/graemlins/dunno.gif the build date of the car is 01C.thanks to all who respond. /ubbthreads/images/graemlins/beers.gif

Ron C
69RSZ
02 35th perf edition #11
71 SS LS5 chevelle

Mr70
07-14-2003, 01:38 AM
Yes
M is December.
Delo-Remy did not use the letter "I" as it resembles the number 1.
O=the year,1970
21=the day of the month.
The Alternator date should preceed the engine build date,when the engine was a single running unit,don't use the Cars overall cowl tag date for this.

69RSZ
07-14-2003, 11:40 AM
thanks mr70,yes the engine code is T1216cpa which is before the alt date code.i was wondering which letter wasnt used and the I makes sense since it does look like a 1.thanks. /ubbthreads/images/graemlins/beers.gif

Ron C
69RSZ
02 35th perf edition #11
71 SS LS5 chevelle