Do Spark Plugs Matter? CHEAP vs EXPENSIVE | Engine Masters | MotorTrend

Can any one type of spark plug make more power than the next? What if you gap them bigger or smaller? Let’s find out on Engine Masters!

#MotorTrend #enginemasters #sparkplugs

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5 Comments

  1. I know horsepower is what you are after and I like how you test
    Could you do tests for mpg and use your knowledge of engines to make my OEM car last longer

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