firing order for 1990 f150 4.9
The Ford 4.9 liter (300 cubic inch) straight 6 cylinder engine firing order is: 1 - 5 - 3 - 6 - 2 - 4 The distributor rotor turns CLOCKWISE The marked # 1 position on the d â¦ istributor cap faces AWAY from the engine The engine cylinders are numbered 1 to 6, from front to rear.