This is topic arcing plugs!! in forum Tech Talk at Northern California Ford Owners .
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Posted by 89 306 (Member # 9042) on
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after i replaced my head gaskets all 8 plugs are arcing on the heads..i changed almost everyground except for the one that comes from the solenoid to some where under the motor..car runs crappy as hell..but the weird thing is that last week i drove it how it is and all of a sudden it started running perfectly fine for about 2 days but then suddenly went back to crappy..wat can it be..it has autolites 3924's gapped at .032
that one last ground is bad?
bad solenoid?
bad computer? any suggestions would be greatly appreciated
Posted by 50Reasons (Member # 6452) on
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Check the ground strap on the back of the head to chasis or the ground from batt to body check the wire might be bad
Posted by 89foxstang (Member # 5908) on
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you sure your plug wires arent burnt or anything? its arcing from the wire to the head?
Posted by 166 Merlot (Member # 1549) on
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Do you have an MSD box? are you boosted? Why such a plug gap?
Posted by 89 306 (Member # 9042) on
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wires are brand new.. ground from head to chasis is new also from batt to motor next to the oil sending unit is new..the only ground left is from solenoid to under the motor..no msd box and i checked the gap i have them at .032...
Posted by 89 306 (Member # 9042) on
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and about the arcing from the tip of the boot to the heads..
Posted by true11 (Member # 9262) on
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its leaking spark from the wires or cracked plugs
Posted by 89 306 (Member # 9042) on
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i have tryed to sets of brand new wires and also 3 sets of brand new plugs.. 2 sets autolites and 1 motorcraft..and it did the same thing its doing now
Posted by 1SLOWLX (Member # 558) on
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What kind of plug wires are you running? I had bad luck with motorsport wires arching like crazy
Posted by CAILFORNIAGT (Member # 7845) on
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i think u have the wrong size plugs in yourr car i think the autolite plugs are suppose to be 5144s? i think
Posted by 89 306 (Member # 9042) on
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Whats the chances of this being a ground problem???
Posted by 89 306 (Member # 9042) on
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Whats the chances of this being ground problem???
Posted by true11 (Member # 9262) on
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none the spark just goes to ground whith the least resistance. if your starter is working the block is grounded. try msd wirers they dont leak
Posted by 89 306 (Member # 9042) on
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damit..msd wires are a bit pricey and if it dont solve the problem thats money waisted..but who knows maybe i will try it..any other ides what it could be??
Posted by Duncan Motors (Member # 7045) on
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WHAT KINDA WIRES YOU GOT? BORROW SOMEELSE ELSE FOR A SEC.
Posted by 89 306 (Member # 9042) on
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i have some bosch wires brand new and also tryd some ford racing wires
Posted by Duncan Motors (Member # 7045) on
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is this car under boost or any power aders?
Posted by 89 306 (Member # 9042) on
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its set upfor supercharger but not running the boost cuz the bearings are bad on the charger..but i had it running without it for bout a year with no problems until the head gaskets went out
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