I have an '07 but I'm sure the same applies. I'm waiting on my gryphon cs to get here. (stuck in the crappy weather in GA for now). But when it does I should run 2 tank fulls of 93 before switching to the performance canned tune? I would think the same would apply once I get my custom tunes (87 T & P, 93 P). How about going from a 93 performance tune to an 87 performance tune?
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2007 Scab-FX4-4x4-5.4L-49,000 miles(Jan. 2011)
Custom Emblem Overlays - Patriot Decals (TERPS) - Krylon Fusion on Tailgate/Door Handles & Stock Fender Flares - 12" Shorty Antenna - Gotts/DVM Mod - DIY Black Headlights - Nightshaded Taillights/3rd Brake Light - XM Radio - SI/DO Magnaflow ExhaustGryphon CS W/ 87, 93 Performance & 87 Tow
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