94 vortec v6 firing order?
4.3 vortec v6 is 165432 the distributor rotates clockwise and the #1 spark plug is in the front driver's side, then moving back is 3 and lastly 5, passenger side starting in front is 2, 4, 6. Hope this helps.
4.6l isn't a v6, its a v8. ive never heard of any sierra coming in a v6 model to begin with. as for the firing order...18436572 is what mine is and i have a 1990 sierra 1500. Mike's answer... I have a 1994 Sierra 1500 that came with a 4.3l Vortec V6. It was a very common motor in the 1/2 ton trucks. My brother in law has a 1992 with the same motor. Mine…
the firing order is: for the 3.4L V6 Psassenger side, 1,3,5, and on the driver side 2,4, the firing order is: for the 3.4L V6 Psassenger side, 1,3,5, and on the driver side 2,4,6 Those are the cylinder numbers,The firing order is the sequence that the cylinders fire and for the 60 degree layout 3.4 gm V6 it is 123456 A V6 with near perfect rotational balance and smoothness