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Old 04-25-2004, 09:00 PM
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Replacing C4 with AOD

OK, one for the Ford guys,

I'm starting with a '79 Mustang with a 5.0 and a sick C4 (the fluid is black) and once it gets up to normal operating temp, it won't shift into drive (reverse is OK).
I've read the Mustang C4 to AOD swap when I did the search. That answered a few questions, but it wasn't real clear on later model Mustangs. I have a letter off to Greg @ Baumann Engineering, addressing this prob as well...
So here goes...
I have an AOD out of an '85 Galaxie/LTD that I want to replace the C4 with, and I already have the following parts:
double hump offset rear crossmember
AOD w/ tag info: PKA AS30
020956 D50
E5AP-BA
RF-E5AP-7006-A cast into main housing
Large 35B cast into upper surface of integrated bellhousing and 11 3\8 4-bolt pattern on torque converter.
Complete carbed 5.0/C4 drivetrain.

I checked what is left of he remaing fluid, it is a nice red color and the pan didn't have any black crud in the bottom and the filter looked pretty clean so I feel I have a pretty decent tranny. For 50 bucks I can't complain.
I know I will need the TV cable and brackets to control the OD function and shifting, and I should be able to use just about any cable and brackets from '80-'88 Ford car or truck.

Question is, can I use the 157-tooth ring gear and starter from the C4 to bolt up the AOD?
My understanding is this particular AOD used a 164-tooth ring gear and I will either have to find the right converter or ring gear to make this work. I don't think I can use the converter from the C4 because of the differences between the two trannies.

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Last edited by Mustang50Clay; 04-25-2004 at 09:25 PM.
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Old 04-26-2004, 05:06 AM
aka Duke of URL
 
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Arrow

Your answers will be contained within -this article-.

Print it out and study it very closely, especially about the flex plate and extension housing length(s).
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Old 04-26-2004, 07:21 AM
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Um OK

Thanks KULTULZ,

This is the article I was refering to, that I have already read. it addresses the swap in an early (71) Mustang, but says very little if anything about Fox-chassis cars. But, thanks for the info none the less. I'll go back and reread it, see if there is something I'm missing.....

And what I missed was the part about the proper flexplate E0AZ-6375-A 164-tooth/ 28.2oz. imbalance to replace the 157-tooth 28.8 oz flexplate that is probably in the 'Stang.
I guess that's why you guys have a few more knucle scrapes than I do.
Besides hottrodding is really just an extension of thinking outside the box, and applying what you know or have learned to what you've got and what your trying to do.
And Crosley, if yer listening, I'm actually in Chandler.... Stop by the El Coyote sometime.

Thanks, and thanks again
Only because I didn't say it the first time....

Last edited by Mustang50Clay; 04-26-2004 at 07:42 AM.
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Old 04-26-2004, 11:06 AM
aka Duke of URL
 
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Thumbs up

Quote:
And what I missed was the part about the proper flexplate E0AZ-6375-A 164-tooth/ 28.2oz. imbalance to replace the 157-tooth 28.8 oz flexplate that is probably in the 'Stang.
Exactly! As long as you feel you have the origional engine in the car. The balance factor came into play on the 81/82 model run.
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Old 04-26-2004, 10:59 PM
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Still chasin' parts, but

now all I need are a couple extra pair of hands , a tranny jack and a long weekend....
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Old 05-04-2004, 05:24 PM
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I know this one's gonna sound silly

OK so where the TV port/connection/do-hicky on the side of the AOD itself.
Can't find it....
and yes I can find my *** with an extra pair of hands and an antomy chart....
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