/6 muncie 3 speed to a muncie 4 speed?

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70DusterGuy

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I was wondering if someone could tell me if the bolt patterns are gonna be the same? I don't want to end up buying the tranny before i know it will work.
 
If it's a GM Muncie/Saginaw 3 speed and you're wantin to put a GM Muncie 4 speed, yeah they have the same pattern. The Mopar three and four speed transmissions do not. I would make sure of the trans ID first.
 
If it's still like it left the factory, it's not a Muncie transmission I don't believe. Mopar never used the Muncie transmissions that I know of, although GM did use the A833.
 
Okay so i looked and it is not a muncie. its the stock transmission. I don't know were to find the actual tranny id but i know it was set up for the three on the tree. It was converted to the floor with a shifter bracket installed. Can anyone tell me what the tranny is exactly, it has the casting number C99787.
 
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