well...might as well get all the knowledge i can.
If someone orders a custom premium fuel tune..do they have to manually set the timing with the Gryphon, or is it wrote into the program already? Premium is down to 1.20/litre here now...so i might be investing in a 91 perf tune
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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.