1986 GMC C1500 running rough

1986 GMC C1500
100,000 MILES • V8 • 2WD • AUTOMATIC
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CHUCKTHEDUCKHUNTER
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  • 3 POSTS
i put new timeing gears in and timed it but now it is running rough and i have also reajusted the lifters
Nov 24, 2008 at 3:57 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Hi:
First, does the truck have a carb or fuel injection? Next, when you adjusted the valves, did you provide the manufacturer's recommend clearance on the valves? Finally, are all the plug wires in the correct order, and what did you set the timing to?
Dec 15, 2008 at 10:42 AM