Okay thanks guys I'm running single platinum tip Bosch plugs right now haven't had any problems out of them at all they've been decent plugs just that time to change them out. One more question my spark plug wires get pretty hot after driving especially on the interstate, someone told me I should try running 8mm wires would this help with efficiency at all?
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1989 na turbo supra ~ 3ARacing exhaust 2.5" pipe no resinator, sports package
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