1-8-4-3-6-5-7-2-drivers side/front is #1
1-8-4-3-6-5-7-2
165432
no ECM's in a 1981
4,3,5,1,6,2 The firing order of a 1981 350 engine is 1-8-4-3-6-5-7-2
No it will not. total different designed engines.
Rotor turns clockwise.
1 8 4 3 6 5 7 2
1-4-5-8-2-3-6-7 the proper firing order for a Chevy small block is 1-8-4-3-6-5-7-2
18436572 whether it is a Chevy 5.7 or a Pontiac 5.7 Pontiac 5.7 engines ceased to exist after 1981 so anything after was either an Olds or Chevy engine.
1,2,7,3,4,5,6,8
165432
18436572 1 is drivers side front and 2 is passenger side front. direction is clockwise on distributor cap.