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Author Topic: 69 Muncie Transmission tag (pn?)  (Read 431 times)
69Z28-RS
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« on: January 07, 2014, 11:32:21 PM »

The following tag is on the Muncie transmission (M20) in my '69 Z.. which I believe to be totally original.  can someone confirm this is correct for a '69 Muncie M20?  I think the PN reads:   3946797...
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
6667ss138
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« Reply #1 on: January 08, 2014, 12:20:45 AM »

Yes, that is the correct M20 tag
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1969 07A X77D80 Hugger Orange/Black Vinyl Top, 3 owner car
1967 Chevelle SS396 138 Convertible/Red/Black int.
1966 Chevelle SS396 138 4sp California/Smog/Black/Red int.
1968RSZ28
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« Reply #2 on: January 08, 2014, 01:36:18 AM »

Gary,

Isn't the partial VIN stamped on the case?

Paul
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69Z28-RS
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« Reply #3 on: January 08, 2014, 12:48:40 PM »

Paul,

Yes, the VIN is stamped along with the application code and the transmission is original, but I didn't know about the tag itself (although most of these were tossed away and back in the '70's when I bought this car, no one would have put one on that didn't belong.  I believe this transmission has never had the side cover off....  car has 75K or so miles (thru 1980..  not driven since).
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
bcmiller
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« Reply #4 on: January 22, 2014, 09:43:02 PM »

Gary, what ratio rear axle do you have?  The normal 3.73?  That part number was used for 3.55, 3.73 and I think 4.10 in 1969.
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1968 Camaro SS 396 - now 468 BBC, M21, 12 bolt.
Bryon
69Z28-RS
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« Reply #5 on: January 22, 2014, 09:43:42 PM »

Yes, rear is a BU (3.73:1 ratio)...
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
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