Ford Mustang Forum - View Single Post - When to change spark plugs
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post #5 of (permalink) Old 10-27-2013
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randeez11's Avatar
Joined: Jun 2010
Location: Windsor
Posts: 4,842
Platinum spark plugs last a long time .i tend to agree with the manual stats for 100,000 changes. At 49,000 miles, your plugs should still be good for quite a while yet. Ive taken platinum plugs out of engines with 60-70 thousand miles on them and they still looked perfect.

2011 GT. Grabber Blue. Procharged. 3:73 manual.Billit LCA's. Corsa Extremes. GT 500 wheels. Racemaster DR's. T-56 Tremec. Dynotech DS . Centerforce DF. American Racing headers/high flow cats 560 rwhp.Donny Walsh tuned

2012 Pony Package. Race Red.3:31 automatic.BBK longtubes and catted X.FRPP Sport axlebacks. BBK throttle body. Dynotech DS. Brembo wheels and tires. Strut tower brace. Airraid CAI. Bama tuned.
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