Turn it to the opposite direction that the rotor rotates.
Rotor Under Cap Spins: Clockwise
counterclockwise
counterclockwise
By reducing or increasing the rate of turn of the tail rotor, depending on which direction you want to turn.
Counterclockwise.
Rtr. turning clockwise. Rotate distributor counter clockwise to advance timing, clockwise to retard.
Clockwise.
The distributor doesn't turn, the rotor inside turns clockwise.
On a Ford V6 engine : clockwise ( unless it's the 3.8 liter V6 engine which has the distributor at the front of the engine , that one is counterclockwise ) On a Ford inline ( straight ) six cylinder the distributor rotor turns clockwise
clockwise
http://www.boxwrench.net/specs/chevy_sb.htm