Why are the estimates based on ET and MPH so different?
For mine the calc is as follows for a 5000 lbs.
ET 13.80 = 376 & 444 HP
MPH 103 = 426 & 503 HP
My guess is traction off the line accounts for the difference.
According to the calculators I would need to run a 13.24 to have the same HP as my MPH calculation suggests.
No more trucks, but this is what I used to have. 2000 GMC Sierra, 6.0L-LQ4, Built 4L60, LS6 Cam, The Other Guys Headers, 3 inch exhaust and 7 chamber flowmaster, 43lb injectors, Nelson Tuning, Drop - 3/4 McGaughys Spindles, Bell Tech Shackles & Hangers. Best time 13.59 @ 106
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