Bad idea???

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Pellethuntr2

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ok here goes my thought is what if you drilled and tapped you're motor for a bigger spark plug...it would be easy to do but IDK what the benefits would be. any thoughts r appreciated
 

frederic

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The size of the threaded base matters very little, so drilling and tapping for a larger plug won't buy you anything.

Plugs come in heat ranges and you can gap them differently, and increase spark by installing a larger coil that produces more spark.
 

frederic

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Well, he didn't say so each of us made our assumptions ;-)

If the threads are damaged one can re-drill and re-tap for a larger plug, or purchase a single-use helicoil kit for this purpose, and continue to use the OEM spark plug.
 

Pellethuntr2

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I was just wondering if there was any benefit to having a bigger plug... just a weird thought i had
 
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