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      10-21-2012, 02:46 PM   #10
Dave W.
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Drives: Porsche 951, 1992 Eagle Talon
Join Date: Apr 2012
Location: SF Bay Area

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Quote:
Originally Posted by Jeff@topgearsolutions View Post
How many miles on the spark plugs? They should be changed every 20,000 miles - 25,000. Spark plugs are notorious for causing misfires especially old ones. As they age the gap increases.
and higher boost needs tighter gaps.