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Doug Siegel
Join Date: Oct 2007
Location: Bloomington, IN
Posts: 314
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Quote:
Originally Posted by DonE
Once you modify these motors like you have, you really need to experiment. I ended up with NGK BR9ES gapped at .025 and might be an interesting place to start. They are regular plugs - nothing fancy and cost about $1.90 each.
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Thanks. I was told that the Bosch F2CS is equal to an NGK 9. I'm guessing that a tall 1st gear creates a slightly more complicated challenge in traffic. The F2CS was gapped at .025. Do you think i should try a BR8ES? .025? Or a different gap for the NGK 9?
How does gap size affect combustion?
Do any of you guys switch up plugs for track days?
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88' blk/blk 930: Haltech EFI, Twin Plug, Pauter Rods, Nascar Bearings, custom crank work, dowel pinned case, ported manifold and heads, Kokeln I/C, SC Cams, Turbonetics ball bearing 62-1, BB headers, RARLYL8 Zork, additional 993 oil filter, plx/inyourface gage, RS style coilover, Fikse FM10-17 wheels, TIAL 46mm 1 bar. (where the heck did all my money go?  )
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