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New numbers for my Mach1 powered GT

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  • New numbers for my Mach1 powered GT



    I finally got to the dyno for some tuning on my 04GT. I recently rebuilt the 4V engine that I installed a few years ago. This round it is fully forged with 10.0:1 pistons. I swapped the T56 for a built 4r75w from Mike's Trick Shift. I also installed a return fuel system with ID1000 injectors, twin 455 Walbro pumps, and a Whipple 3.4l crusher.

    Manny Alvarez at HPP did the tuning - 100+ degrees in the shop and ~30% humidity. The car made 730hp/630tq.

    The pumps are maxxed so I am installing a 3rd 455 pump and going back to finish the tune soon.
    Last edited by Fastlane; 09-21-2016, 10:03 AM.
    01 red GT - 745whp/780wtq Whippled 4V and built 4R75W

  • #2
    That torque curve

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    • #3
      how much boost is taking to get to 730?

      I have a 4r70w sitting at Mike's also, waiting on me to get home. Swapping out my T56 too.
      Fuck you. We're going to Costco.

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      • #4
        25 psi to get the numbers and hoping for a little bump the next time I hit the rollers.
        01 red GT - 745whp/780wtq Whippled 4V and built 4R75W

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        • #5
          Solid #s. How's the drivability just cruising around town?

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          • #6
            The drivability is fine. Idles normal, cruising at part throttle is smooth and effortless. I've only jumped on the throttle hard once briefly and that was shocking. I won't get any real pulls in it until I get the last pump installed and get the tune finalized.
            01 red GT - 745whp/780wtq Whippled 4V and built 4R75W

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            • #7
              Nice!
              sigpic18 F150 Supercrew - daily
              17 F150 Supercrew - totaled Dec 12, 2018
              13 DIB Premium GT, M6, Track Pack, Glass Roof, Nav, Recaros - Sold
              86 SVO - Sold
              '03 F150 Supercrew - Sold
              01 TJ - new toy - Sold
              65 F100 (460 + C6) - Sold

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              • #8
                Nice numbers
                2003 oxford white cobra whipple powered corn fed
                2018 F150 RCSB 5.0

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