1-8-4-3-6-5-7-2
1,8,4,3,6,5,7,2
Which engine?
If it is a Chevy 350 the firing order should be printed on your intake, but is usually 1-8-4-3-6-5-7-2. This was the case on my '94 Chevy truck.
I believe it is like all chevy's 18436572
Start clockwise: firing order is 18436572
1,8,4,3,6,5,7,2 for V8
A bad ignition module.
What engine?
Distributor rotates clockwise.
any motor manual,chilton,s or haynes will have a firing order diagram . the firing order is 18436572
look on the intake manifold
18463572