spark plug position

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speedcostsmoney

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read somewhere that the spark plug should penetrate 0.125 of an inch inside the combustion chamber for maximium burn, also that you can give more gap to the spark plug when you use aftermarket coils that give out more voltage :ummm:
 
Stock NGk plugs you should be fine.
What type coils? Think on cop style guys drop gap a bit....if I remember correctly
 
Unless you are racing it where you want every last bit of power then as Mr Tagla says, fit NGK and enjoy the ride.

Life is to short to worry about depth of penetration....Mrs Midnight tells me!
 
read somewhere that the spark plug should penetrate 0.125 of an inch inside the combustion chamber for maximium burn, also that you can give more gap to the spark plug when you use aftermarket coils that give out more voltage :ummm:
In theory I believe that's true. Larger gaps with COPS has caused me starting issues. Most of us are using .026 gap with COPS. +1 ON NGK's.
 

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