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drolston · 03-06-2021, 06:41 PM

Been chasing an ignition problem all winter. Running rough; missing. Traced the problem to coil wound spark plug cables not properly seated in the distributor cap, leaving a big gap to jump. #2 and #6 were not firing.

Just installed new cap, rotor and solid core ignition cables. Starts and runs, but #2 and #6 are still not firing. They are getting spark. Replaced the like-new, but wet, NGK B6HS with a couple older but good Champion L82C plugs, and now it is hitting on all 8.

#2 and #6 were run for some time with with no spark. Would that foul them so that they would not fire when good ignition was restored?

Should I try and even hotter plug? Like NGK B5HS (if I can find them).

03-06-2021, 06:41 PM	#1
drolston Senior Member Join Date: Jun 2014 Location: Williamsburg, VA Posts: 1,627	Spark Plug Fouling Been chasing an ignition problem all winter. Running rough; missing. Traced the problem to coil wound spark plug cables not properly seated in the distributor cap, leaving a big gap to jump. #2 and #6 were not firing. Just installed new cap, rotor and solid core ignition cables. Starts and runs, but #2 and #6 are still not firing. They are getting spark. Replaced the like-new, but wet, NGK B6HS with a couple older but good Champion L82C plugs, and now it is hitting on all 8. #2 and #6 were run for some time with with no spark. Would that foul them so that they would not fire when good ignition was restored? Should I try and even hotter plug? Like NGK B5HS (if I can find them).