I have the 87 Performance tune and definitely felt an improvement in both dead stop and passing lag. I too am not really interested in nailing the throttle from a stop but have punched it for curiousity from a slow roll for fun. With about 25% throttle it will break the tires loose easily even at a roll. Passing is a pleasure, the truck just seems to set down and accelerate smoothly through the downshift and upshifts. Throttle is smooth and responsive without having to really hit it to get going like I did in stock tuning. Huge difference!
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2005 F150 XLT SuperCab 5.4L V8 4x4, 3.73 LS Rear end, Auto Spring 2" Leveling Kit, Gryphon tuner custom 87 Performance tune, AEM Panel Air filter with modified stock intake, 14" Magnaflow muffler
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