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View Full Version : muncie m21 with shiter

joey
04-22-2007, 04:39 AM
good muncie m21 with good shiter $1500 stored in my body shop so its dusty http://www.mediamax.com/wjoey/Hosted/499%20042.jpg http://www.mediamax.com/wjoey/Hosted/499%20041.jpg
SuperNovaSS
04-22-2007, 04:44 AM
Looks like a M20 to me.


Jason
joey
04-22-2007, 04:58 AM
decodes on case to m21 but I have been wrong before
SuperNovaSS
04-22-2007, 05:00 AM
What decodes as M21 on the case? It looks to be a 325 case which is early with no rings on the input shaft.



Jason
Fast67VelleN2O
04-22-2007, 05:21 AM
which means it is a 7/8" countershaft = early trans
427king
04-22-2007, 08:02 AM
It still could be a M21...it could have a replacement input and thus would have no rings on it designating m20 or m21 . Only way to tell for certain is count the input teeth or the front cluster teeth.
SuperNovaSS
04-22-2007, 09:17 AM
Why would the replacement input shaft have no rings?



Jason
3macs1
04-22-2007, 02:47 PM
Don't know why but any over the counter replacement input I have seen came with no rings. It got real tricky in the early 70's with the dual plug 661 cases with the large shafts and fine spline inputs in the big pontiacs up here.They also for some reason never had any grooves and more than one of these m21's were sold off as M22.Joey's case is a 64/65 325 case from what I can see, small 7/8 pin.
joey
04-22-2007, 04:42 PM
You are correct it is a 64 65 tranny the shifter looks like a gto shifter but I am unsure what do you think?
3macs1
04-22-2007, 05:26 PM
Hi Joey:
Shifter does not look 64 /65 to me looks like 70-72 GTO. To be sure see if it has a 3138 stamped on the front which I think it will and put a shim down the side and pull the handle see if it is a 4555. If not let us know the number and I should be able to tell you the original application. Tks Joe
Kim_Howie
04-23-2007, 01:47 AM
What's does the vin# read on top of the case. That should explain what it's out of.
92646
04-23-2007, 03:30 AM
Hey can somebody add an F to the title.
joey
04-23-2007, 04:19 AM
handle is number 7244 top of case is stamped 824p170484
SuperNovaSS
04-23-2007, 04:29 AM
The shifter is 70-78 Firebird, 1970 with console, 71-78 with and without.


Jason
Xplantdad
04-23-2007, 05:00 AM
[ QUOTE ]
Hey can somebody add an F to the title.

[/ QUOTE ]

Now THAT'S funny...good catch Mark! http://www.yenko.net/ubbthreads/images/graemlins/blush.gif http://www.yenko.net/ubbthreads/images/graemlins/grin.gif
joey
04-23-2007, 07:19 AM
[ QUOTE ]
[ QUOTE ]
Hey can somebody add an F to the title.

[/ QUOTE ]

Now THAT'S funny...good catch Mark! http://www.yenko.net/ubbthreads/images/graemlins/blush.gif http://www.yenko.net/ubbthreads/images/graemlins/grin.gif

[/ QUOTE ]
Prouabaly the best one all year http://www.yenko.net/ubbthreads/images/graemlins/naughty.gif took a while to get noticed too I tried to edit soon after I posted it but it said time had expired