Glad to hear from someone else with a 4.6L. I don't think there's too many of us out there. You times seem pretty close to mine. I'd just hate to think of the times we'd be running on the factory tune.....
What model & mods do you have; mine is a supercab 2WD w/3.55s, mods are listed in my sig. I know a gear swap and maybe some pulleys would help it out considerably.
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Current mods: AEM Bruteforce CAI, Magnaflow SI/DO, Gryphon-87 & 93 tunes, Harley head lamps, tinted windows, lower grille filler, and FX2 lower valance.