i got a 1987 comanche that i just got for a hundred bucks. it has a v6 in it. from what i no the motor is a gm but the rear is blown i think the gears are 411s but the plate on the rear is gone someone took it off so i got two question where can i find a rear for it? and i also got a 1995 firebird with a lt1 how hard would it be 2 drop the motor in the comanche and do all the wiring......... I'm making a dirt race truck