1-5-4-2-6-3-7-8 Rotor turns counterclockwise.
15426378
1-5-4-2-6-3-7-8 Distributor rotates counterclockwise.
YES , both the 74 and the 78 F-100 302 cubic inch firing order is : 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 The distributor rotor turns COUNTERCLOCKWISE The marked # 1 position on the distributor cap faces towards the REAR
the firing order for 1969 ford f100 240 six cylinder is 153624 i know this because i just rebuilt one.
153624
15426378 counterclockwise
15426378
The Ford straight 6 cylinder firing order is : 1 - 5 - 3 - 6 - 2 - 4 The distributor rotor turns CLOCKWISE The marked # 1 position on the distributor cap faces AWAY from the engine The engine cylinders are numbered 1 to 6 , from front to rear
For the 1981 F100 with the 300 cubic inch ( 4.9 L ) straight 6 engine , www.motorcraft.com shows ( 10 degrees BTDC for automatic transmission ) and ( 6 degrees BTDC for manual transmission ) also firing order is 1-5-3-6-2-4 , distributor rotor rotates CLOCKWISE , spark plug gap .044 inch
http://www.boxwrench.net/specs/ford_351C.htm
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front ------------------------------------------------------------------ The firing order is ( 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 ) The distributor rotor turns counterclockwise The marked # 1 position on the distributor cap faces to the rear and slightly towards the drivers side
1-5-4-2-6-3-7-8