The transmission you're looking for is available from CK and a number of other sources. Its called the A518, and is based on the 727, but with 4th gear overdrive. These trannys bolt up directly to Chrysler smallblocks. The only other Chrysler automatic with overdrive that I'm aware of was the A500, and that was manufactured for 6 cylinder cars.
Edit: Did a little searching, and I believe that these trannys were available in 1988-2001 Rams, Ram Vans, Dakotas, and Durangos. There are a number of sources out there for these trannys, but you will likely have to get the computer that controls it as well. Also, the factory units use lockup converters, but I guess some aftermarket manufacturers convert them to non lockup for performance purposes.
Last edited by WarWagon; 03-13-2004 at 11:56 PM..
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