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JL8Jeff · 06-20-2007, 07:30 PM

Stock plugs still as far as I know. That will be my first move to see if it helps. Car still runs good and averaged 19 mpg on the last 2 tanks so I can't complain.

06-20-2007, 07:30 PM	#3
JL8Jeff Hippy Mod, Bergermeister Meisterberger, Moderator Join Date: Aug 2004 Location: Ewing Posts: 6,216 iTrader: (3)	Stock plugs still as far as I know. That will be my first move to see if it helps. Car still runs good and averaged 19 mpg on the last 2 tanks so I can't complain. __________________ 69 Z28 JL8 4 wheel disc brakes - being restored 09 Silverado Z71