The distributor doesn't turn, the rotor inside turns clockwise.
counterclockwise
Take the distributor cap off an crank the engine or turn the engine by hand clockwise and note the direction of the distributor rotor.
Turn it to the opposite direction that the rotor rotates.
To advance, rotate the distributor counter-clockwise. To retard, roatate it clockwise).
On the Ford 200 cubic inch straight 6 cylinder engine , the distributor rotor turns CLOCKWISE
To advance ignition timing, loosen the distributor clamp and in very small increments turn the distributor body in the OPPOSITE direction of the rotor's normal rotation. If you don't know which way the rotor turns, you can find out easily by removing the distributor cap and having a helper turn the engine over with the ignition key switch. To advance the timing turn the distributor counter clockwise.
The first step is to turn off the engine. When installing, lift the cap to reveal the direction the metal tab is pointing on the rotor. Then remove the rotor for new installation.
Rtr. turning clockwise. Rotate distributor counter clockwise to advance timing, clockwise to retard.
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
Rotor Under Cap Spins: Clockwise
broken timing belt or chain....