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sjf911 sjf911 is online now
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Join Date: Dec 2006
Location: Idaho
Posts: 5,562
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I realize I'm running twin plug but I can't use anything close to your timing values without knock even adjusted for twin plugging. What CR are you running.
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Steve
Sapere aude
1983 3.4L 911SC turbo. Sold
Old 04-18-2014, 09:26 AM
  Pelican Parts Technical Article Directory    Reply With Quote #65 (permalink)