Mechanics

FIRING ORDER

1986 GMC Sierra

Engine Performance problem
1986 GMC Sierra V8 Two Wheel Drive Automatic

I need the firing order on gmc suburban
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32renz
November 4, 2008.




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)

Mhpautos
Nov 4, 2008.


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