The crossmember had to be clearanced, lowered, and shifted rearward for the Advance Adapter needed to keep the D20, but the front d'shaft had JUST enough room to get by the AOD's pan. Here, you can see the special 4WD pan, the fuel filter & HP pump. There's no e-brake yet.
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Motorcraft DY587 (E9TA-9E731-AA/E4AZ-9E731-A)