im in the middle of my swap also i have a 91 and a 94 w56 is going in i have a few qestions... do i need to swap ecu's i know i can get rid of the shift-lock ecu by the shifter. if i dont swap ecu's what wires do i splice on the nuetral safety switch. also is there a way to reuse the clutch safety swithc and bypass switch and finally what kind of floor modifications did you need