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Paul,
I have MSD Coil, Box and Wires, I am running NGK BP6ES with a .065" gap and running 87 octane, I tried running cooler plugs (4's) for whatever reason but my engine temperature went up, and when I opened the gap up it cooled down but seemed to lose a bit of umpth, I ended up sticking with the BP6ES and experimented with gaps between .045" to .065" the lower gap settings give higher engine temps and less power.
Edit:
NGK : Lower number = Lower heat dissipation
Shane
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78’ SC 911 Targa - 3.2SS, PMO 46, M&K 2/2 1 5/8” HEADERS, 123 DIST, PORTERFIELD R4-S PADS, KR75 CAMS, REBEL RACING BUSHINGS, KONI CLASSICS
Last edited by snbush67; 09-04-2008 at 12:38 PM..
Reason: NGK VS. Bosch Plug numbering
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