Up grading to a AODE/4R70W

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Like your automatic trans, yet want overdrive?? Overdrive allows you to drop the rear end gearing, yet still have lower RPM @ highway speeds. As I have already done this swap on my 65 2+2. I knew this is one of the first mods to do to the our 73 Convertible. This past weekend we finished the C-4 to 4R70W swap in the 73. (All part of taking it on a 5000 mile vacation trip. Florida Panhandle to Kalispell, MT. and return)

The AOD has always been the choice, yet using the last of the AOD trans family, an AODE/4R70W is even better. The AODE/4R70W's have all the AOD's weaknesses & flaws worked out of them and with little prep can easily handle 450+ HP engines. The W's wide ratio gear set is another bonus.

Best of those is a 4R70W from a V-6 1998-2003. The V-6's from those years have the same Windsor bell housing bolt pattern as the 289/302/5.0/351 Windsor V-8's. The newer OHC Mod-motors have their own bolt pattern.

When converting my 65 2+2, I found that the 4R70W's larger diameter tubed yoke w/ harmonic balancer, has clearance issues in the trans tunnel. The tailshaft housing can be easily swapped for an earlier AOD short tailshaft housing, then use a AOD or even better T-5 yoke(stronger).

The major difference between the early AOD's and later AODE/4R70W's, is the latter uses a computer to control the shifts. Though several companies make controllers, IMHO Baumann Electronic Controls makes the best http://www.becontrols.com/

The swap is almost a bolt in (Ok well sorta bolt in), except for Trans mount, shift linkage and using a shorter drive shaft. I re-used my 65's shorter DS, for a perfect fit, modified a 2001 Mustang shifter & cable, and built my own trans mount. Glen Buzek of Rosehill Performance http://www.rosehillperformanceparts.com/ makes T-5 conversion mounts and sent me two sets of prebent tubing and mounting flanges. One was for my mount the other duplicate was returned to Glen as a Prototype Mount for other folks. Glen will be making these mounts available.

http://members.cox.net/corky.p/Stuf/tmount

 
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AcesArneson

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1973 Mustang convertible H code 351C-2V Playmate Pink
Like your automatic trans, yet want overdrive?? Overdrive allows you to drop the rear end gearing, yet still have lower RPM @ highway speeds. As I have already done this swap on my 65 2+2. I knew this is one of the first mods to do to the our 73 Convertible. This past weekend we finished the C-4 to 4R70W swap in the 73. (All part of taking it on a 5000 mile vacation trip. Florida Panhandle to Kalispell, MT. and return)

The AOD has always been the choice, yet using the last of the AOD trans family, an AODE/4R70W is even better. The AODE/4R70W's have all the AOD's weaknesses & flaws worked out of them and with little prep can easily handle 450+ HP engines. The W's wide ratio gear set is another bonus.

Best of those is a 4R70W from a V-6 1998-2003. The V-6's from those years have the same Windsor bell housing bolt pattern as the 289/302/5.0/351 Windsor V-8's. The newer OHC Mod-motors have their own bolt pattern.

When converting my 65 2+2, I found that the 4R70W's larger diameter tubed yoke w/ harmonic balancer, has clearance issues in the trans tunnel. The tailshaft housing can be easily swapped for an earlier AOD short tailshaft housing, then use a AOD or even better T-5 yoke(stronger).

The major difference between the early AOD's and later AODE/4R70W's, is the latter uses a computer to control the shifts. Though several companies make controllers, IMHO Baumann Electronic Controls makes the best http://www.becontrols.com/

The swap is almost a bolt in (Ok well sorta bolt in), except for Trans mount, shift linkage and using a shorter drive shaft. I re-used my 65's shorter DS, for a perfect fit, modified a 2001 Mustang shifter & cable, and built my own trans mount. Glen Buzek of Rosehill Performance http://www.rosehillperformanceparts.com/ makes T-5 conversion mounts and sent me two sets of prebent tubing and mounting flanges. One was for my mount the other duplicate was returned to Glen as a Prototype Mount for other folks. Glen will be making these mounts available.

Tubo, I know this is an old post but hoping you can hook me up with one of the crossmembers. I tried your link but it wouldn't work for me. I have a 4R75E I am putting in my 73 convertible.
 
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My all time favorite vehicle is our 1969 Shelby GT500
Tubo, I know this is an old post but hoping you can hook me up with one of the crossmembers. I tried your link but it wouldn't work for me. I have a 4R75E I am putting in my 73 convertible.
Our 73 Mach 1 had a 302 2v engine originally. The prior owner replaced it with a nicely built street/strip 351W (not C). the other year we replaced its original c4 with an AOD. Following are some YouTube links that show that transplant project start to finish, to include our parts and vendor lists in the various YouTube description areas. Our project worked out very nicely.






















https://youtu.be/vdR-z3KV0UE



https://youtu.be/YCBBgd-olQ0



https://youtu.be/NcYr68atRjM



https://youtu.be/iFNXTGXNNcQ



https://youtu.be/2tTwnbcZZkY



https://youtu.be/8QncIKQTvNo



https://youtu.be/b4lnPReGWuM



https://youtu.be/zfYe--Gsjdk



Setting up Throttle Valve Pressure from the carburetor cabling, and how the original auto tranny floor shifter behaves with the AOD when shifting manually:

https://youtu.be/KYIAqqYUKNo



This is a link showing the impact on engine RPM at 60 MPH with the AOD in 3rd/Drive gear, and then in 4th/OverDrive gear. In the AOD, 3rd gear is a 1:1 ratio, just like 3rd gear in a C4. FMX, or C6 automatic transmission.

https://youtu.be/zfYe--Gsjdk
 

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