COUNTERCLOCKWISE ( also , firing order is 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 , #1 position on the distributor cap is installed facing to the rear and the engine cylinders are numbered 1 , 2 , 3 , 4 going from front to rear on the passenger side and 5 , 6 , 7 , 8 going from front to rear on the drivers side )
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
The 3.8 liter V6 engine has a distributor cap and rotor in a 1997 Ford Thunderbird
For a Mercury / Ford 3.0 liter V6 engine : ( the distributor rotor turns CLOCKWISE )
Take the distributor cap off an crank the engine or turn the engine by hand clockwise and note the direction of the distributor rotor.
If your Mercury Grand Marquis is a 1991 model or older . The 5.0 liter / 302 and the 5.8 liter / 351 has the distributor at the front of the engine The distributor rotor turns COUNTERCLOCKWISE
On a 1999 Ford Expedition : There is no distributor ( or distributor rotor ) The 5.4 liter V8 engine has the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coils The 4.6 liter V8 engine has the Electronic Distributorless Ignition System ( EDIS ) with ( 2 coil packs ) and ( 8 spark plug wires )
On a 1990 Ford Thunderbird : The 3.8 liter V6 engine distributor rotor turns COUNTERCLOCKWISE
On the Ford 200 cubic inch straight 6 cylinder engine , the distributor rotor turns CLOCKWISE
1 - 3 - 4 - 2 The distributor rotor turns clockwise
counterclockwise
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.
Distributor rotor turns clockwise. Firing order is 1-8-4-3-6-5-7-2