Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
01-28-2010, 05:57 PM
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Muncie
I got a couple of Muncie questions. Can a M22 with a 660 case that has an assembly date of April 1969 have a fine spline inputshaft? Also the assembly date code does not have the Muncie A, B, or C designation following it? Is that common or even possible? The tranny internals are an M22, but it is original or a throw together muncie?
Thanks in advance. 
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#2
01-28-2010, 06:04 PM
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Re: Muncie
My June built muncie M-22 has a course input shaft..and mine is PXXXX C
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1
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#3
01-28-2010, 06:47 PM
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Re: Muncie
Muncie transmissions started using the suffix letters in October 1968 for the '69 model year. So that April 1969 case should have had the suffix C on it and it would have been a course spline style. Most likely a pieced together trans.
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2 1971 LS-6 Corvette coupes (Duntov's last stand)
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#4
01-28-2010, 07:39 PM
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Re: Muncie
I believe the date to be Oct 18th or 19th. The born with M-20 in the 4th week Oct 68 built 69 Z I am restoring right now is not coded, when I inquired KurtS said it just missed the cutoff...
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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#5
01-28-2010, 07:48 PM
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Re: Muncie
The case is untouch, so I wonder if it was just missed at the assembly plant.
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#7
01-28-2010, 09:04 PM
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Re: Muncie
My first post was wrong. I guess I should of said: Should it have a fine spline input shaft
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