Sparks

Sykobabble

Well-Known Member
54
10
Chicago
Vehicle Model
Civic Si Fast Edition
Body Style
Two Door
Wondering what everyone thinks about a step colder plugs on an NA motor. I understand the stockers are fine but I've had a positive experience with a specific plug in the past on a high compression motor. Thanks all.

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without forced induction, nitrous, higher compression pistons .....or other serious power additions, it'd not be beneficial to run colder plugs.
 
the car would run, but it probably wouldnt be near as efficient. Without any real power mods there would be no point.
 
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