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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
Sun, June 7th, 2009, 10:36 AM
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Quote:
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 Gryphon with 87 Economy tune, 87 Tow tune, 91 Performance tune Roush off road exaust 
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#2
Sun, June 7th, 2009, 11:32 AM
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That's creepy...i thought that hex looked familiar...yep, mine is the same and an 08 model as well....but i haven't felt/heard your guy's probs.
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 2008 f150 supercrew, 5.4, 3.73 LSD, tonneau cover, 275-65-18 BFG's. Gryphon programmer. XLT with XTR package. Tinted heads and tails with 8000 HID's. 4300 in the fogs. Gott's Mod. Painted grill.
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#3
Mon, June 8th, 2009, 12:28 PM
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I had posted the same problem in a earlier post. I do not have a FFV truck, it is a 08 4x4 5.4 totally stock except for the Gryphon with canned tunes only. Surge on level 2 and 3 on very light acceleration.... Might be there in level 1 also but it could be just because I am looking for it! Going to order custom tunes but am not going to add any upgrades to my truck.
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