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View Full Version : Whats your favorite spark plug?

justy302
10-25-2006, 01:43 AM
NGK
Champion
Motorcraft
Ac Delco
Autolite
Splitfire
E3
Denso
Other?
Gapp
10-25-2006, 07:51 PM
For a Chevy engine, its AC Delco for me...