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Re: Is it possible for a spark plugs to increase horsepower?
Posted to Technical Theory Forum on 4/21/1998 2 Replies

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Hi Steve,

I generally agree with you on that one. I'd sure like to get 10 extra horsepower on my 90-hp 4-banger pickup; that would be an increase of over 10 percent! I just love the ads where they c... Login to read more.

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