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The Ford 4.9 L straight six engine spark plug firing order is ( 1 - 5 - 3 - 6 - 2 - 4 ) The distributor rotor turns CLOCKWISE
F250 FIRING ORDER 6 CYLINDER 1... 5... 3...6 ...2 ...4.
Distributor rotates counterclockwise. Firing order: 1-5-4-2-6-3-7-8
1-3-7-2-6-5-4-8
Answer1,3,7,2,6,5,4,8 is the firing order. The cylinders are numbered 1-4 from front to rear on the passenger's side and 5-8 from front to rear on the driver's side. THIS IS WRONG. THE CORRECT ORDER IS 1,5,4,2,6,3,7,8, COUNTERCLOCKWISE ROTATION. FIRING ORDER IS ALSO LOCATED ON THE INTAKE MANIFOLD, AT LEAST IT IS ON MY 97 F250 HD 7.5, THE OIL COMPANIES JUST LOVE US.
1-3-7-2-6-5-4-8
351w,351m,wiring and distribution fireing order=1-3-7-2-6-5-4-8
1 - 5 - 3 - 6 - 2 - 4 The distributor rotor turns CLOCKWISE
1-6-5-10-2-7-3-8-4-9
I'm not sure what it would be if it is a gas engine, but if its a diesel, its probably 1-5-3-6-2-4
On the front part
The order is 1.3.7.2.6.5.4.8. 1-4 front to back on the passenger's side, and 5-8 on the driver's side front to back.