Can you please direct me to some Velvet Drive Identification information.
I am selling some 71 and 72 and I
1. want to know what they are
2. want to know what direction they turn.
Thanks

71 is smaller then the 72. 72 was used with big blocks.
They turn the direction of the motor. If the motor turns CC or CCW the transmission turns that direction. You do have to flip the pump around to reflect the direction it turns so forward is forward and reverse is reverse.

They did use the 71C with big blocks in the 80's. Yes, they are a bit shorter than the 72, and not as strong.

71's red tags 72's green tags. My transmission builder stands behind my 71's up to 700HP with the extra Kevlar clutch discs.