For the Ford 460 cubic inch / 7.5 liter V8 engine :
The 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 engine cylinder locations are numbered :
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front of vehicle
For the 5.8L engine, the firing order is: 1-5-4-2-6-3-7-8 Distributor turns counter clockwise.
Which engine??
The firing order is 1-5-3-6-2-4
1843 6572 is the firing order It's also stamped on the intake mannifold.
firing order is 1-8-4-3-6-5-7-2.
18436572
firing order
18436572
the firing order for your 90 f-350 with a 460 should be 15426378 this info is out of a haynes repair manual for 80-96 ford pick ups. It should also be stamped somewhere on your intake manifold.
Firing order on a 350 Chevrolet is 18436572
73 Chevy 350 firing order: 18436572 countercockwise
18436572