4R70W/AODE Tailshaft - TCCoA Forums
 
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post #1 of 5 (permalink) Old 05-02-2006, 10:25 AM Thread Starter
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4R70W/AODE Tailshaft

My 1995 AODE in my 3.8 NA mustang failed to see the humor in the extra torque provided by the addition of a M90. So I found a cost effective 4R70W replacement from a 1994 SC. I know that a 1994 4R70W is not the best choice, but it was recently Ford reman and has new accumulators and a mech diode. My problem is when trying to remove Tbird transmission mount bracket from the tailshaft the bolts are siezed and I broke 4 sockets with my 1/2 impact trying to remove them. I was wondering if the 1995 AODE tailshaft housing and the 1994 4R70W tailshaft housing will interchange. I heard something about different sized bushings between the tailshafts.
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post #2 of 5 (permalink) Old 05-02-2006, 10:53 AM
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They are different sizes and do not interchange.
The bigger issue you will have is what will end up happening to the transmission unless you get the computer in the car tuned to tell it that you changed to a transmission with different gear ratios.

01 F150 5.4L 4x4 and a 98 Mustang GT vert sitting engineless and without transmission or converter


All my vehicles tuned by BC Automotive (me)

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post #3 of 5 (permalink) Old 05-02-2006, 11:12 AM Thread Starter
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Quote:
Originally Posted by Darrin
They are different sizes and do not interchange.
The bigger issue you will have is what will end up happening to the transmission unless you get the computer in the car tuned to tell it that you changed to a transmission with different gear ratios.

I have talked to my tuner about getting an updated tune for my Xcal2. I guess I need to get those bolts out of the 4R70W or find a different tailshaft. Also is slip yoke on the drive shaft different too?
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post #4 of 5 (permalink) Old 05-02-2006, 11:24 AM
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Yes, the yoke is different too. If you get a yoke from a 96 or newer Mustang it will work with the tailshaft housing you have on the 4r70w.
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01 F150 5.4L 4x4 and a 98 Mustang GT vert sitting engineless and without transmission or converter


All my vehicles tuned by BC Automotive (me)

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post #5 of 5 (permalink) Old 05-02-2006, 11:45 AM Thread Starter
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Quote:
Originally Posted by Darrin
Yes, the yoke is different too. If you get a yoke from a 96 or newer Mustang it will work with the tailshaft housing you have on the 4r70w.
Darrin

So the only reason a 4R70W tailshaft extension has a large bushing is to accomadate a larger slip yoke.

Other than that they are the same?

With that said I should be able to put the tailshaft extension from my AODE on the 4R70W and use the slip yoke that was used with my AODE.

Last edited by Roadhawg; 05-03-2006 at 08:14 AM.
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