997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Timing and fuel mix

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Old Oct 6, 2010 | 10:04 AM
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Timing and fuel mix

I recently discovered that in Sport Chrono and only in Sport Chrono mode my car runs rich and the timing is retarded. Any ideas on what may be the issue. ?
 
Old Oct 6, 2010 | 10:23 AM
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I noticed that after I installed my plx gauge, as soon as you hit sport at idle the the timing goes from + 5 to -7, gets slightly rich, hmm
 
Old Oct 6, 2010 | 10:27 AM
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Without seeing actual datalogs it is hard to say but SC will increase boost along with a richer fuel mixture. Some tunes run on more timing, less boost, others it's vise-versa.
 
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