I-5: best spark plugs? -- More Q's

[Ti Kan]

Ameer Antar writes:
> [ ... ]
> should I have gotten the resistor (R) version of the W7DTC?
> It seems odd that they carry the R version of the silver plug,
> but not for the copper 3-tip...

I have never seen a resistor version of the Bosch tri-electrode.
I once tried to locate some but none of the auto parts outlets
had such a beast.  Perhaps it doesn't exist.

-Ti
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