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Topic: transmission date codes

in Forum: C3 Driveline Components


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transmission date codes

Posted: 7/29/02 4:55pm Message 1 of 4
soxx35
Former Member
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smithfield, RI - USA
Joined: 4/22/2002
Posts: 53
Vette(s): 1979 corvette l-82 4-speed t tops no a/c canadian car
hi my car originally came with the muncie m-21 but for some reason now it has a super t-10 so i was wondering how do i find the date codes on it and is the super t-10 a better transmission or should i try to put the m-21 back in
thanks rj


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transmission date codes

Posted: 9/3/02 2:22pm Message 2 of 4
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juliet
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Annapolis, MD - USA
Joined: 11/7/2001
Posts: 225
Vette(s): 1965 white with red stinger Coupe HotRod 1970 Bridgehampton Blue Convertible - NCRS / Stock 2019 Sebring Orange Coupe 3LT Gone but not forgotten: 1987 Yellow Convertible 2003 Yellow Convertible 2007 Atomic Orange Coupe 2007 Lemans Blue coupe
I have a little bit of information on decoding transmission numbers on the '70 Registry website. It's at the bottom of the chassis / photo library: http://corvetteforum.net/c3/1970registry/chasdetails.html

Sorry, not too much there as it's really hard to get folks to report transmission numbers since they're really hard to find - even with the car on a lift (esp TH400s). :) ~Juliet


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transmission date codes

Posted: 12/10/02 8:18pm Message 3 of 4
Duke94
Former Member
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ANN ARBOR, MI - USA
Joined: 12/4/2001
Posts: 3
Vette(s): 1971 convertible 1978 coupe
The "Catalog of Corvette ID Numbers 1953-93" from Cars & Parts magizine has transmission ID codes for all 53-93 Vettes. If you know what year it's from, I'll be happy to look it up.


transmission date codes

Posted: 4/16/03 12:59am Message 4 of 4
TREVOR
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Joined: 3/5/2003
Posts: 20
Vette(s): 1977 L-82, CLOSE RATIO SUPER T-10, A/C, ORIGINALLY BLACK BUT SOON TO BE BRIGHT SILVER.
PEOPLE OUT THERE PLEASE BE CAREFUL WHEN FINDING OUT WHAT TRANNY IS IN YOUR CAR!! IN MY 77, I HAVE A STOCK, CLOSE RATIO SUPER
T-10. BUT WHEN I PHONED A LOCAL CHEVY DEALERSHIP TO DECODE MY VIN, THEY SAID I HAD AN M21. "BUT THAT'S NOT POSSIBLE" I SAID "THEY DIDN'T MAKE M21'S IN 77." BUT THE "PARTSMAN" |headscratch| CHECKED AGAIN AND SAID THAT IT WAS AN M21. SO TAKING HIS WORD FOR IT I PURCHASED SYNCHROS AND A SECOND GEAR. I FOUND OUT LATER THAT IN 77 CHEVY USED M21 AS THE OPTION CODE FOR THE CLOSE RATIO SUPER T-10. MAKE SURE THE INFO YOUR GETTING IS COMPLETE!

BUT THEN AGAIN, NO ONE TO BLAME BUT MYSELF FOR SECOND GUESSING MYSELF! |ick|


NOTHIN' BETTER THAN THE RUMBLE OF POWER WITH THE TOPS OFF AND THE SMELL OF BURNT RUBBER!!|COLOR=SILVER| |/COLOR|

in Forum: C3 Driveline Components


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