reading spark plugs

reading spark plugs

dalefan88

Crazy Sr. Respected Jeeper
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Location
ada,oh
Vehicle(s)
79 cj5 258, t150, dana 20 transfer case, dana 30 front, 20 rear,warn hubs,2.5" procomp lift,teamrush,msd box,mc2100 carb,hedman header,clifford intake,optima battery, ford shock towers.
i bought some e3 plugs to put in the jeep cause i liked them in my accord. my ? is when i pulled the old autolite plugs (about a year old) they are black carbon and redish brown on the ground. does this mean im running to rich? i have a mc2100 carb and just put on a clifford intake and header. this combo has only been at idle.
 
thanks old dog good info.
 

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