4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Make me shine

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Old 02-04-2006, 08:58 PM
  #1  
Sonicpilz
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Default Make me shine

The Diablosport is finally here! I've installed and semi-modified my first tune and can already tell a HUGE difference. Now being the novice i am, I'm having a little trouble with the fuel and timing/spark modifications. Am I supposed to advance or retard????? My mods only include a BBK CAI and the programmer. Thanks for all the help!!
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Old 02-04-2006, 09:14 PM
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Master
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Default RE: Make me shine

dont mess with the fuel unless your at a dyno tune, only raise the spark advance to about 3.0, but i have heard many take that as far as 5.0 but i think thats crazy... use 93 octane also
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Old 02-04-2006, 09:18 PM
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Sonicpilz
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Default RE: Make me shine

By raising my spark advance to 3.0, what will this accomplish? And why am I doing it???
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Old 02-04-2006, 09:46 PM
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Also I can advance the timing between 2K-4K and 4K-6K RMS's. Which one do I need to adjust and why?
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