Quote:
Originally Posted by rotorwrench
Most of the 1992 models changed to the AOD-E
There is a lot of stuff done with AODs to beef them up but not all are good for mileage makers. An example is the solid input drive mod that eliminates the lock up in OD. It uses a solid one piece input and a C6 converter that is non-lockup. This makes for a heavy duty overdrive but it loses efficiency without the lock up in OD. They will take a lot of horse power but not so good on mileage. Monster and a few others will sell them this way so you have to know what you are getting. They are more expensive too plus I don't know what all else they do to them. They don't exactly tell you either.
This wiki lists applications but I don't know how accurate they are. https://en.wikipedia.org/wiki/Ford_AOD_transmission
This should also be some good info:
http://www.mustangandfords.com/how-t...t-aod-aodetail |
In addition, the C6/non-lockup converter will build a lot of heat! With a rear axle ratio of approx. 3.07 and an overdrive ratio of .67 the final ratio is 2.0569 to 1. At 75 MPH, this is only about 1750 RPM (in theory)! There is quite a bit of hydraulic "slippage" at this low RPM. The converter is not turning fast enough to efficiently transmit power; the trans input shaft will be turning a lot slower than the engine (or you could say that engine has to rev higher to maintain 75 MPH). The resulting "shearing" action of the fluid causes too much heat and it breaks down quickly.