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Old 06-13-2016, 01:23 PM   #2
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storm9c1's Avatar
Join Date: Oct 2008
Location: Pittsburgh, PA
Posts: 2,772
Re: Wore-out Old Spark Plugs

Excessive ash deposits? Is it burning oil? Or using fuel additives? How many miles are on these plugs? I don't see significant electrode wear which leads me to believe these plugs don't have as many miles as the deposits show...
Chevy by day...
1969 Chevy C30 Rollback Tow Truck -- 383 stroker, 4L80E
2011 Chevy Caprice PPV 9C3 6.0L (6K miles)
1995 Chevy Caprice 9C1 (177K miles)
1994 Chevy Caprice 9C1 #3 (99K miles)
1995 Chevy Caprice Wagon #2 (60K miles)
1995 Chevy Impala SS (20K miles)
Mopar by night...
1969 Dodge Charger
1972 Chrysler Newport 2dr Hardtop (27K miles)

Plus others...
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