B58 coils and NGK 94201 plugs

Jeffman

Major
Jan 7, 2017
1,620
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629
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The main idea is whether with the smaller voltage requirement, flat terminal, larger energy displacement - we can get the spark arced with stock gap size (0.75mm) with 25 psi boost.
That would seem to be quite doable. My calculations says 0.75mm = 19mil.
 

RNM

Corporal
Jun 3, 2019
175
166
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Not a fan of NGK at all, and refuse to run them on my car anymore. Terrible QC.

There are a lot of fake NGK plugs out there. I think if you buy from a reputable store like burgertuning and fcp euro, you should be good to go.