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 ( looking from the top )
The marked # 1 position on the distributor cap faces towards the REAR
The engine cylinder locations are numbered :
4 - 8
3 - 7
2 - 6
1 - 5
front of vehicle
the firing order for the 460 is 15426378
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The firing order for a 1978 Ford 460 is: 1-5-4-2-6-3-7-8
All of them!
1,5,4,2,6,3,7,8 counter clockwise
Ford did not produce a 460 in 1979. In 1978 the firing order for a 460 is 1-5-4-6-6-3-7-8. Ref: Chilton's Motor Manual 1981
If you look on the intake manifold of any engine you will find the firing order.
the order is : 15426378
1986 Pontiac Firebird 2.8 Liter Firing Order
1,5,4,2,6,3,7,8
The firing order for a 2.0 L. is 1423.
I must assume you are asking about a 460 Ford V8, as you did not list make and model. Firing order of a 460 (7.5L) Ford is 1-5-4-2-6-3-7-8