FIRING ORDER

1986 GMC Sierra

Tiny

32renz

November, 4, 2008 AT 10:11 PM

Engine Performance problem
1986 GMC Sierra V8 Two Wheel Drive Automatic

I need the firing order on gmc suburban

FOUND 1177 RELATED QUESTIONS

1 Answer

Tiny

mhpautos

November, 4, 2008 AT 10:34 PM

The firing order is 1 8 4 3 6 5 7 2 driverside head 1357 passenger 2468
get #1 cylinder up on compression stroke and see where the rotor is pointing this will be the start of your firing order goes clockwise

Mark (mhpautos)

Please login or register to post a reply.

Spark Plug and Wire Replacement Ford Mustang
Spark Plug Replacement Ford Explorer 4.6L V8