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-   -   AOD conversion (http://www.hotrodders.com/forum/aod-conversion-3818.html)

Doug Renton 10-05-2002 05:57 AM

AOD conversion
 
I have a 1970 Mustang with a 351 Windsor and I want to switch my C-4 tranny for an AOD, the question is what year is the best and easiest transmission to use. Any help will be appreciated.

dmorris1200 10-05-2002 06:56 AM

Suposedly these guys have a lot of info, got this link from KULTULZ on earlier post- <a href="http://www.baumannengineering.com" target="_blank">www.baumannengineering.com</a>
They have a lot of different options for you depending on whether or not you're looking for a budget swap or not. Main thing I always here if going with an AOD is make sure you set your tv cable correctly to control line pressure in the trans, there is no kickdown lever. If you have $$$ it looks like they've done some neet stuff with the AODE and control box for swapping into older cars. I'm sure you'll be getting more info once others have read this.

dmorris1200 10-05-2002 06:59 AM

PS. Probably should have put this in the trans section, not the engine section.

[ October 05, 2002: Message edited by: dmorris1200 ]</p>

Doug Renton 10-05-2002 09:44 AM

Thank you for the information and web site, your right about using the transmission section I dinn't think of it!

woodz428 10-05-2002 03:45 PM

If you have the money the AODE is the way to go although it is a little bigger ( I think), that shouldn't be a problem in a '70 'stang. Of the straight AOD's, the GT mustang or one from a Lincoln LSC is the beefiest. The post was correct about the T.V. adjustment, it is entirely different than the old kickdown rod Ford used for years and won't work off of a kickdown linkage. Also Lentech makes some great valve bodies that re-route the hydrailic system to make the AOD just about indestructable, check them out.

mustang66maniac 10-05-2002 11:38 PM

Im doing a similar conversion for my 66 mustang w/302. I talked to the guys at Art Carr Transmissions and they told me what was the best deal for AODs. Basically, the later the better; but if you can, try to get one from 86-93 instead of the earlier ones. These years had the more desireable throttle valve cable hookups, and although the earlier ones can be converted through drilling, they sell more conversion parts for the later style. One is a lever and one is a shaft, i can't remember which is which though.

Also, the main weakness in the AOD transmission is the two input shafts(one inside the other). Ford did this to lock up in 4th gear for 0 torque multiplication, or better gas mileage. These input shafts tend to shatter under higher power sending pieces through the whole tranny. Now, depending on if you are leaning more toward the economy or performance side of the spectrum, i wouldn't worry about it. If you are going more toward the performance side, then I would strongly advise getting a single hardened input shaft for non-lockup usage. Doing this alone without touching anything else in the tranny can account for 40hp at the wheels. Also, torque converter selection is greater of the non-lockup variety. The second weak point is the Overdrive Band. You can get wider OD bands from any reputable tranny shop.
Here is a site devoted specifically to late model mustang drivetrain parts into early mustangs <a href="http://www.windsor-fox.com" target="_blank">www.windsor-fox.com</a>
Here is a site about a kid who put an AOD into a 72 mustang w/351. <a href="http://www.mustangsandmore.com/ubb/DanJonesC4AODswap.html" target="_blank">www.mustangsandmore.com/ubb/DanJonesC4AODswap.html</a>

The good thing about this swap is that it is advantageous for economy without hurting performance and it HAS been done before.

Doug Renton 10-06-2002 06:55 AM

Thank you for the plethora of information about the swap, it is really helpful and I appreciate it. :D


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