Flexplate
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
The AOD can be built fairly stout, and offers overdrive and a locking torque converter without all the electronics of the 4R70. The only tricky part is getting the throttle position cable set, if it's wrong the transmission will not live long.
Lead Driver
Joined: Apr 2011
Posts: 6,399
Likes: 40
From: El Dorado, Arkansas
Thousands of AOD swaps have been successfully done. Adjusting the throttle valve cable on the AOD is very simple.
This example shown on EFI intakes but, just imagine the end of the cable is attached to the butterfly shaft on a carburetor, if you're not using the EFI induction.
In reference to the 4R70W, the electronics of the shift solenoids are easily handled through a stand-alone shift controller. The transmission can be set to shift to factory specs or, it can be programed with altered pressure levels or shift points (alternate and selective 'performance' setting). It can work as a normal automatic or, it can be setup to be manually up and down shifted (such as with a paddle shifter) or, as a selective combination between fully automatic or manually shifted. The torque converter lockup can be selectively engaged or disengage at will. These features aren't possible with the AOD but, personally, I would still take the AOD over a heavy, non-overdriven FMX.
This example shown on EFI intakes but, just imagine the end of the cable is attached to the butterfly shaft on a carburetor, if you're not using the EFI induction.
In reference to the 4R70W, the electronics of the shift solenoids are easily handled through a stand-alone shift controller. The transmission can be set to shift to factory specs or, it can be programed with altered pressure levels or shift points (alternate and selective 'performance' setting). It can work as a normal automatic or, it can be setup to be manually up and down shifted (such as with a paddle shifter) or, as a selective combination between fully automatic or manually shifted. The torque converter lockup can be selectively engaged or disengage at will. These features aren't possible with the AOD but, personally, I would still take the AOD over a heavy, non-overdriven FMX.
Thread Starter
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Cross-Country
Joined: Feb 2011
Posts: 87
Likes: 0
From: Yucaipa
Ok the problem is the aod behind the 5.0 is no good. This why im asking what do i need to use the 5.0 with the fmx.
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Posting Guru
Joined: Mar 2016
Posts: 1,412
Likes: 1
From: Barre Mass
If your looking for a flex plate remember that for changed the imbalance on the 302 from 28oz to 50oz in the mid 1980's. This is important.
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Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
Use the flex plate that's on the engine now. The FMX should have the same T/C bolt pattern as an AOD T/C. Use new locking nuts though. Ford part number 378941-S441. Still available because Ford still uses the same nuts. Your local Ford Dealer will have them in stock.
Thread Starter
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Cross-Country
Joined: Feb 2011
Posts: 87
Likes: 0
From: Yucaipa
ok so the existing flexplate thats on the engine will work with no problems? Just wanna make sure before i put everything together. What starter should i use?
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
Depends. The flexplate on that engine should be a 164 tooth. What is the FMX out of? Do you have the flexplate that was used with that FMX to count it's teeth?
