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Thread: 2.5L non-turbo plugs

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    2.5L non-turbo plugs

    Did a search, couldn't find. Question is, changing my spark plugs, car is stock so do I stick with the ones listed in the manual, or do I go platinum? Any difference in power or fuel economy? Also the gap is not listed in the manual that I see. Guessing 0.28, correct or? Thanks.

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    System Operator IGOTASUBARU's Avatar

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    Go with the Platinum NGK plugs and gap .28 to .30 is perfect.
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    Thank you. Is there better performance or just less maintenance (change at 100,000 instead of every 25k?

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    System Operator IGOTASUBARU's Avatar

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    Both.
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    ShiftHappensLTi's Avatar

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    What he said. NGK is the only way to go in a Subaru. And platinum plugs increase longevity and spark efficiency.

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