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hobieboy hobieboy is offline
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Join Date: May 2002
Location: Up North
Posts: 1,446
Originally posted by mppickett
You've got it right about NGKs - low numbers are hot & high numbers are cold. I was guessing that my engine profile was most like a 993 (EFI/EDIS ignition). As far as I can tell the OEM NGK for the 1997 993 turbo is a "6" heat range. So I went one colder and am using a "7." So far they're the right color and I'm not getting pinging.
Mike, do you track your car or is it a street only car?
I was running NGK B8 and wonder if that is too cold. Mine is really a track only car though.
87 930 K27HFS/B&B/Twin-Plug... Megasquirted
Old 01-03-2007, 05:21 AM
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