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
153624
15426378
the firing order for 1969 ford f100 240 six cylinder is 153624 i know this because i just rebuilt one.
15426378 counterclockwise
15426378
http://www.boxwrench.net/specs/ford_351C.htm
1-5-4-2-6-3-7-8
yes they both have ford 5.4.5
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
Point gap .017, dwell 24-29 Plug gap 032 - .036 Firing order - 1-5-4-2-6-3-7-8
1-5-4-2-6-3-7-8 Rotor turns counterclockwise.
1-5-4-2-6-3-7-8 Distributor rotates counterclockwise.