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Old 07-07-2012, 10:25 PM   #137886
Redemption
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Drives: 2010 SIM 2SSRS
Join Date: Jun 2010
Location: San Jose, Ca
Posts: 6,909
Quote:
Originally Posted by shank0668 View Post
So If the recommended mileage to change spark plugs is 30,000 miles, is it bad to wait 100,000? I know nothing bad can happen but probably should be done...
Bad plugs will hurt mileage and performance.
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