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-   61-66 Big Pontiac TECH (https://forums.maxperformanceinc.com/forums/forumdisplay.php?f=428)
-   -   Whats M12 on a 66 Trim tag? (https://forums.maxperformanceinc.com/forums/showthread.php?t=738890)

marxjunk 10-09-2013 01:18 PM

Whats M12 on a 66 Trim tag?
 
I bought a stick shift GP parts car..is M12 a 3 speed?

http://i396.photobucket.com/albums/p...psefa5f7e8.png

jdh421 10-09-2013 05:07 PM

PM sent

Keith Seymore 10-09-2013 08:05 PM

I couldn't find M12 in my vintage literature.

I found M11 = 3 speed on the column and
M13 = HD 3 speed on the floor.

I found M12 in my more modern literature but it showed as a Tremec 5 speed so I don't think that's it....

;)

K

marxjunk 10-09-2013 09:38 PM

hmmm..i cant find anything anuwhere.....thanks for the help though...the mystery continues...

70ra455 10-10-2013 12:30 AM

12 was a Brougham option I believe ... not sure about the M. Did the GP come with a Brougham option? Not to my knowledge ... thought that was Bonnie only?

70ra455 10-10-2013 12:32 AM

11 was Ventura option ... sure that's not an 11 and not an M???

70ra455 10-10-2013 12:34 AM

no it's an M ...

Keith Seymore 10-10-2013 07:11 AM

Quote:

Originally Posted by 70ra455 (Post 5038430)
12 was a Brougham option I believe ... not sure about the M. Did the GP come with a Brougham option? Not to my knowledge ... thought that was Bonnie only?

Quote:

Originally Posted by 70ra455 (Post 5038433)
11 was Ventura option ... sure that's not an 11 and not an M???

"M" codes are typically transmission related. You can't separate the alpha portion from the number like that.

"B" codes are typically ornamentation, and "Y" codes are normally content packages.

K

70ra455 10-10-2013 08:37 PM

I know Keith ... you're right but was just confused by this code: M12 ... never heard of it. Can it be a special HD clutch? HD cooler?


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