So I have a 4 speed in my duster(2.66 I think first gear) and it works flawless. It is a 340 with a new flywheel, mcleod clutch, new z bar bushings, motor/tranny mounts, u joints and 3.55 gears. I swapped the 4 speed over yesterday to a od 4 speed I picked up. I had the od 4 speed apart and...