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AOD to 4r70W swap

July 18 2010 at 6:48 PM
Jack  (no login)
from IP address 98.71.208.27

 
I have completely lost 1st gear in my AOD tranny in my 90 F150 ext cab 4x4 with a 5.0 motor. This will be the 3rd one lost in the truck. I have a 4r70w out of a 97 Thunderbird that will bolt up to the motor. I know the output shaft is different, longer on the 4r70w one, but can I buy an output shaft from a 4x4 4r70w to make this tranny work with my transfer case? And what year and vehicle computer should I get to keep the 4r70w a true auto without having a manual valve body? I am tired of the AODs failing in this 6800 lbs truck that rides on 38" swampers. Any help would be greatly appreciated.

 
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AuthorReply
Andy
(Login 67shellby)
71.167.62.240

trans swap

August 8 2010, 7:02 PM 

My understanding is that the 4R70W trtans was for two wheel drive applications only.

 
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michael
(no login)
166.250.106.27

4R70W tranny

February 2 2012, 3:27 PM 

The 4R70W wasn't only 4 2wd vehicles I have a 96 explorer with a 5.0 from the factory....I'm wanting to put the 4R70W in my 90 bronco to replace the aod transmission that doesn't seem to wanna go into o/d is there any1 who can tell me what all ill need to do to swap these transmissions?the transfer case on the 4R70W is full time all wheel drive I'm also wondering if the aod transfercase will bolt up to replace the full time transfercase on the 4R70W...if there's any1 who can help with this my email is m2382003@yahoo.com please put aod tranny as the subject so I don't think its junk mail thank you for ur help

 
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tom
(no login)
108.56.189.147

Re: AOD to 4r70W swap

February 2 2012, 8:11 PM 

Contact Ed at Performance Automatic in Maryland. They have a standalone controller for that trans. You don't need a computer to program it and it's adjustable by the driver.It's not expensive and comes complete with controller and harness.

 
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Silverfoxtrans
(no login)
74.209.12.113

Re: AOD to 4r70W swap

February 6 2012, 11:38 AM 

do your research.
There are many aftermarket stand alone controlers for the AODE/4R Optishift, compushift, tci to name a few. Or a full manual valve body is an option that requre NO electronics, but you have to shift every gear.

Your gonna spend $600 on the computer, $500-$700 on the MVB.

The swap is great if you really drive the vehical, as I have swapped AOD to the AODE/4R with these controlers and MVB many times.

The AODE/4R is 1" longer than the AOD, and it has the same exact output shaft length/spline for the 4x4, so the TCase will bolt up just fine. It should be noted as well that the 2wd has the same exact length/spline as the AOD as well, just the tail bushing is different size.
Also, to swap any tailshaft, it require complete dissasembly.

 
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