Spark plug life
How many miles can NGK Iriduim, V-power, G-power, go for before changing? Which one improves gas mileage and better acceleration the best?
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RE: Spark plug life
depends on driving habits
mostly city or hwy driving ?? |
RE: Spark plug life
Well....I'm past 90k on OEM irdiums....and it drives like day one from the dealership. I may change them just to see the difference though. I abuse my engine so irdium tipped sparkies are pretty durable.
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