What is firing order of 1995 Ford F350 7.5l?

1 - 5 - 4 - 2 - 6 - 3 - 7 - 8

The distributor rotor turns COUNTERCLOCKWISE

The marked # 1 position on the distributor cap faces to the REAR and slightly towards the drivers side

The engine cylinder locations are numbered :

firewall

4 - 8

3 - 7

2 - 6

1 - 5

front