1-6-5-4-3-2 Rotor turns clockwise. Click the link for a diagram.
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
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
The Firing Order for the 4-cyl engines is 1-3-4-2. jb
oddly enough 1-2-3-4-5-6
Firign order is 1-2-3-4-5-6 Rotor turns clockwise.
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
At what degree do I set my timing for a 1985 GMC s15 pick-up truck?
The firing order start on the number one cylender. Which is the first cylender on the passenger side closest to the front end running in a clock wise direction. when seting your distributer make sure the cylender number on is all the way up and set your router on your distributer pointing towards cylender number one.
How do you install an alternator belt on a 1986 GMC s15 pickup truck