1-6-5-4-3-2
All GMC Big Block V6 engines.
And for some extra info:
Ignition Timing -- 5 degrees before TDC
1-6-5-4-3-2All GMC Big Block V6 engines.And for some extra info:Ignition Timing -- 5 degrees before TDC
1,5.3,6.2,4
4.3 v6 is 165432 ----- 2.8 v6 is 123456
V8=18436572 V6=165432
Need the firing order for 1996 s-15 4 clelnder
Firing order is 1 6 5 4 3 2 in a clockwise direction
Same as all GM 4.3 vortec V6's: 1,6,5,4,3,2
According to my owner's manual for the 2002 Envoy, the firing order is 1-5-3-6-2-4
1, 6, 5, 4, 3, 2.
1-6-5-4-3-2
1-6-5-4-3-2
1-6-5-4-3-2