Firign order is 1-2-3-4-5-6 Rotor turns clockwise.
165432 is the firing order.
You can find the firing order right on of the intake maifold on most all GM cars and trucks.
4.3 v6 is 165432 ----- 2.8 v6 is 123456
The Firing Order for the 4-cyl engines is 1-3-4-2. jb
oddly enough 1-2-3-4-5-6
1-6-5-4-3-2 Rotor turns clockwise. Click the link for a diagram.
Really need to know the year. Lets say you have a 1989 GMC S15 4.3L V6 or a 1993 Chevy 4.3L V6. The firing order would be 1-6-5-4-3-2
Yes
You didn't list the engine size so go here and click the correct one. Copy & paste into your browser. http://autorepair.about.com/library/firing_orders/bl-gmc-firing-87.htm
At what degree do I set my timing for a 1985 GMC s15 pick-up truck?
How do you install an alternator belt on a 1986 GMC s15 pickup truck
Try www.chevytalk.org