A ARCOgraphite Joined May 17, 2009 Messages 20,418 Location N.H, U.S.A. Jan 19, 2017 #21 IMO japanese cars specd too hot a plug in the 90s to get through cold start emissions - WAY to hot. They would not foul. The like new plugs he pulled looked ok from a distance.
IMO japanese cars specd too hot a plug in the 90s to get through cold start emissions - WAY to hot. They would not foul. The like new plugs he pulled looked ok from a distance.