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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.


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  #1  
Old Sat, August 20th, 2011, 06:59 PM
canvis canvis is offline
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Default ? timing advance on gryphon

Had a gryphon 89 octane tune done was wondering what the timing advance was compared to stock...
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Old Sat, August 20th, 2011, 08:35 PM
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Jackpine Jackpine is offline
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Quote:
Originally Posted by canvis View Post
Had a gryphon 89 octane tune done was wondering what the timing advance was compared to stock...
I doubt there's an easy answer, and if there is, I doubt Bill would want to share "The Colonel's Recipe". He IS in the business of trying to make a living by improving the way people's trucks run after all. If the recipe gets out, what does he do to feed his family?

But, I'm pretty sure there's no simple answer to your question. I suspect the timing has been adjusted across the entire RPM/load envelope to safely optimize the way the powertrain performs in accordance with the customers needs/goals.

Is that answer clear enough?

- Jack
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Old Sun, August 21st, 2011, 04:33 PM
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I can tell you at least one degree. (.5 advancement for every 1 octane increase)
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Old Sun, September 11th, 2011, 02:21 AM
cajunboy2208 cajunboy2208 is offline
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Also note that this is for spark advancement, not the actual timing belt advancement.
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