My understanding is that the plug temp range can help avoid fouling; running LOP also helps here so temp range is not likely related. Plug temp has to do with heat dissipation, not spark.
RV-7A - Slider - N495KL - First flt 27 Jan 17
O-360-A4M w/ Catto 3 blade NLE, AFP FM-150 FI, 1 PMag, Vetterman Trombone Exh, SkyTech starter,
PlanePower Alt, FlightLines Interior, James cowl & plenum
All lines by TSFlightLines
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