91 CQ/ what gapping should I use on my new spark plugs? do they come pre gapped? they are the Bosche
#1
91 CQ/ what gapping should I use on my new spark plugs? do they come pre gapped? they are the Bosche
OE standard plugs. the old ones are Platinums and my mechanic states they are coroded with carbon including the wires in a severe way. He said the platinum plugs are to blame and would never use them on these cars!! I ordered the standard plugs but do not know if they need to be gapped??
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