Ford aod transmission identification

Transmission All geared up? Talk trans here. The good, the bad and the ugly.

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Ford aod transmission identification

Since their introduction by Ford in the s, the AOD , and later the 4R70W , have helped set the standard for modern transmissions. Even enthusiasts of pres cars are fans of the AOD and 4R70W transmissions , swapping out their older parts to gain the benefits of overdrive in their classic chassis. Buy Now! We became wasteful in the years following World War II because fuel was in plentiful supply. Gas wars were common, with fuel at giveaway prices. Overdrive, which had been quite common prior to World War II, faded away amid cheap and plentiful gasoline and low-buck engine overhauls. When the Arab Oil Embargo unfolded during the winter of —, it was a rude awakening for spoiled American motorists. Large-displacement carbureted V-8s, heavy automobiles, and 2- and 3-speed straight-drive automatics came with a price at the pump. Fuel had long been cheap and plentiful, and it was a great ride while it lasted. However, what seemed short-lived would be our ultimate destiny: higher fuel prices. When the second oil cri-sis arrived in , it brought with it increased fuel-economy standards imposed by the federal government.

AOD torque converter installation is tricky. Because Ford used these transmissions in so many production vehicles, the Ford AOD is relatively easy to locate at a used parts yard and can be purchased for a reasonable price.

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The oil crisis of was a jarring reality for many American motorists as fuel became more expensive than it used to be. The only way out of this quandary was to use automobiles that consume less fuel without compromising power. By the time another oil crisis came on the scene within that decade, i. This is where the Ford AOD transmission came into the picture. Chrysler and General Motors soon followed suit. General Motors developed the into a R with overdrive while Chrysler added more overdrive units to the existing 3-speed automatics: the and The only difference is the direct overdrive lockup — to do away with wasteful slippage — and add-on hydro-mechanicals. The automatic overdrive came in a fresh-cast aluminum case with an overdrive unit as well as a trustworthy planetary gearset. However, it notably incorporated the existing tried-and-tested Ravigneaux geartrain components, conveniently borrowed from the BorgWarner FMX parts bin, i.

Ford aod transmission identification

Probably one of the most popular transmission exchanges that are being performed on '60s and '70s Ford cars and trucks involves using the Ford AOD or automatic overdrive. The AOD can be a relatively easy transmission to transplant and the additional 4th-gear overdrive can give you added fuel savings, especially in cars and trucks using taller rear axle ratios. Because Ford used these transmissions in so many production vehicles, the Ford AOD is relatively easy to locate at a used parts yard and can be purchased for a reasonable price. The Ford AOD does not need a computer to function properly either. The throttle valve function is mechanically activated and the torque converter lock-up function was contained entirely within the transmission case. Ford later used this transmission as a basis for their newer overdrive transmissions, the electronic overdriven AOD-E, which was used beginning in and in the 4R70W which was used on '99 and up production cars and trucks. Using an AOD transmission will effectively lower a 3.

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The trunk lid opens, and the interior sports a wood-rim wheel and accurate-appearing door panels. The throttle valve linkage or cable adjustment is very important to allow the AOD to shift properly. The AOD incorporates a somewhat rudimentary overdrive design featuring two input shafts. Get it now! The was paired with an automatic transmission and another option included the inch radiator. What makes torque converter installation so important is getting the torque converter fully seated on the stator, main input shaft, and this smaller lockup shaft. You may find you'll need different transmission fluid. The 4. Hemmings Store. AOD Identification.

Seeing as we don't know a heck of a lot about Ford automatics, we abducted a variety of transmission experts and interrogated them for the following information. We found that like GM, Ford also made a number of trannies capable of fulfilling the needs of the weekend warrior, class racer, heavy hauler, and Sunday driver. Follow along as we take an in-depth look at the two-speeds, three-speeds, and the overdrive units.

Use a stiffer spring and you get a higher shift-point. Log in. Sell Real Estate. To report problems or provide comments or suggestions, please click here. Connect With Us. It also affects both upshift and downshift points. Give us a call to place your order and talk about expedited shipping options. The inner shaft, which is driven directly from the front cover of the torque converter bolted to the flywheel, provides direct drive in Third gear and bypasses the hydraulically driven components of the torque converter entirely; the hollow outer shaft is driven hydraulically by the converter and drives First, Second, and Reverse gears. You may find you'll need different transmission fluid. Posting Quick Reply - Please Wait. This is the electronic speedometer drive sensor that takes the place of a cable drive and phased-out mechanical speedometer. I really need help as I have to get the car up and running. Because of a Ford engine balance design change in , you should be searching for a transmission that has a mating flexplate available. I found this in a search: Ford Mustang Forums : Corral. The was paired with an automatic transmission and another option included the inch radiator.