Ford 9N, 2N & 8N Discussion Board|
Re: Re: # 1 spark plug carbon fouling
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Posted by Rob on July 05, 2003 at 03:16:11 from (220.127.116.11):
In Reply to: Re: # 1 spark plug carbon fouling posted by Rick B. on July 05, 2003 at 00:31:05:
Stat opens at 160.
Check the dist cap for a crack or that plug wire might be bad. You may have a sticky valve but it seems you could hear that.
Adjust your fuel mix, you don't need a rich mix with that carbon thing going on.
One more thing, you might have marginal ignition voltage. Check the voltage drop from the batt to the coil. You want 0.3v or less. Get that right and you will have a hotter spark. Go over the ignition circuit wiring and take apart every connection. Clean all post, terminals, and connectors with a wire brush, replace any worn or damaged connectors, and repair or replace any worn or frayed wires. I use dielectric silicone compound (spark plug boot lube) on my electrical connections. Keeps em dry, prevents any leakage, and lets me feel confident I've done all I can for good connections. If you still can't get the voltage drop down it might need a new ignition switch. Anyway, find any excessive voltage drop and get to 0.3v or less.
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