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Discussion Starter #1
what would it take to put a mustang automatic in my bird?...do these trannies bolt right up....will i need any more suplies other then the tranny and my old tranny.....i plan to get some quotes from shops on doing this swap
 

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I believe all you need to do is change the solenoids in the tranny with your current ones. There may be more involved, but I think that's the big part.
 

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the biggest part is that your speedometer will not be accurate if you are running a rear end ratio higher than 3.27.

This is due to the mustang output shaft.

So, if you want to run 3.73's with a mustang 4r70w then you need to take apart the transmission and install a thunderbird/mark output shaft.

The output shaft is the first thing that goes in the case during a rebuild, so you will have to start at point one.

JH
 

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Discussion Starter #4
ill worry about that when i get a new rear end as with my budget and plans i dont seee that hapening very soon
 
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