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Old 11-28-2018, 09:03 AM
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Originally Posted by Vet Class
MIke - was that a 4H or 4A launch?
4H, my truck is a XLT and doesn't have 4A. I wish it did in weather like we are having now. But not for racing.

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Vet Class (11-29-2018)
Old 11-28-2018, 09:19 AM
  #82  
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Originally Posted by Howell
If you notice my dyno pull was in 5th gear, it hit the speedlimiter at about 5700rpm. If it would have been able to run up to the red line, it should have been closer to 540-550. On the graph you can see it was continueing to gain.
If you can lie to the truck and tell it it’s got small 24 or 25’ tires you can trick the speed limiter on the Dyno.

Or just use hptuners to up the speed limiter
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Old 11-28-2018, 12:40 PM
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Originally Posted by iigneb

If anyone cares... This is the results of a custom tune and cat delete. My previous post with the roush cal showed a few more HP but the car drives totally different now. I also spoke with both roush and ford performance at SEMA, they both advised not to push much more power than these kits because people are blowing the 10 speeds...
Your tuner doesn't know what they're doing from looking at that torque curve. It looks like the ocean.

A PD supercharger should make power in a linear line.

Your torque curve should look like this:




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