I Have A 1978 460 And 2 C6 Auto Trannies. Motor Runs Great And You Can Drive It But Reverse Is Out. I Am Doing A Cummins Repower And I Want To Sell The Motor And Trans Before I Take It Out So People Can Hear It Run. The Motor Is In A 78 Crew Cab And Is A 2 Wheel Drive 1 Ton.thanks.