plugs
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Mountain Pass
Joined: Jan 2001
Posts: 130
Likes: 0
From: Ozark Arkansas
plugs
my 351w nuber 4 and 8 plugs foul out all the time i was wondering if i run a hotter plug if they would foul out as quick. right now i have crappy walmart plugs (autolite)
Elder User
Joined: Apr 2002
Posts: 533
Likes: 7
From: Texas
plugs
Hello fordzrule 
.
Well the only thing I can think of. Have you put new plug wires. and try some better plugs. Like motorcraft, or NGK.
My your life be like the road
Long and wide and never ending
.Well the only thing I can think of. Have you put new plug wires. and try some better plugs. Like motorcraft, or NGK.
My your life be like the road
Long and wide and never ending
Cargo Master
Joined: Jun 2001
Posts: 2,571
Likes: 22
From: Oxford, Indiana
plugs
Crappy Autolites?!? I'll take Autolites over Champions any time. Anyway, they make plug extenders to solve this problem. You can find them in the HELP section at the parts store. They thread into the head and then the plug threads into them. Basically, all they do is get the plug out of the combustion chamber so they don't foul as easily. This is not optimal from a performance standpoint, but if your fouling is from oil, then your motor is tired anyway. The cylinder will still fire and you won't have to be changing plugs all the time. Be careful with just moving up to a hotter plug. Spark plug heat range has nothing to do with the electrical arc intensity itself. It is a rating of how fast it transfers heat away from the tip of the plug. If you run too hot of a plug, you may run into problems with pinging if the plug becomes a hot spot and ignites the fuel before it actually fires.
