Sep 4, 2009 #1 340Dart Obsessive Dart Disorder FABO Gold Member Joined Jan 8, 2005 Messages 794 Reaction score 270 Location Mount Morris, New York Can you run the Autolite AR3924 race spark plugs in a street car with no problems? Just wondering if they would foul easier then the regular plugs. I'm running the 3924 now. Thanks for any replies. Fred B
Can you run the Autolite AR3924 race spark plugs in a street car with no problems? Just wondering if they would foul easier then the regular plugs. I'm running the 3924 now. Thanks for any replies. Fred B