1 - 5 - 3 - 6 - 2 - 4
The distributor rotor turns CLOCKWISE
The # 1 position on the distributor cap faces AWAY from the engine
For your 4.9 liter / 300 cubic inch straight six cylinder engine
Need to know the year and size of engine
The firing order should be 1-5-3-6-2-4.
Image on the Firing order on a f150 2002?
need cylinder order for 351 wins
http://www.aa1car.com/library/ford_firing_orders.htm
1-4-2-5-3-6
1 - 5 - 3 - 6 - 2 - 4 ( for your 4.9 L / 300 cubic inch straight 6 cylinder ) The distributor rotor turns CLOCKWISE
The spark plug firing order for the 4.2 L V6 engine is ( 1 - 4 - 2 - 5 - 3 - 6 )
1 - 3 - 7 - 2 - 6 - 5 - 4 - 8
1 - 5 - 3 - 6 - 2 - 4 ( distributor rotates CLOCKWISE )
1-3-7-2-6-5-4-8
The spark plug firing order for the 300 cubic inch straight six cylinder ( 4.9 L ) is ( 1 - 5 - 3 - 6 - 2 - 4 ) The spark plug firing order for the 4.2 L V6 engine used in the 1997 F150 is ( 1 - 4 - 2 - 5 - 3 - 6 )