I'm sure someone will chime in and correct me if I'm wrong, but MY understanding is you can do Tow or Performance tune. You can choose which octane level for each tune as well. For example I ordered an 87 tow, 87 performance and 93 performance tunes with my unit. Most people use the performance tune as their daily driver but MPG's are probably more affected by your driving style than what tune you are running. You can expect a slight increase in MPGs with a custom tune, but nothing drastic. As far as time without a programmer, I was told 3-4 weeks when I ordered my CS. Got the CS last week, and now just waiting on the tunes.
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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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Wed, January 26th, 2011, 02:54 PM
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