6.7 power stroke versus duramax

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My 15 ccsb weighted 7780 with my fat ass in it, ran a 08 dmax 2wd with same mods as me, I beat him by about 2 trucks, I then raced a 10 dmax with a built motor, duel pumps, 60% over injectors, 4wd, built transmission and a s468. I sprayed on him and he beat me by 1-1 1/2 trucks. I felt pretty good about my truck. But some dmaxs get it good.
 
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superstroked90

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So my rail pressure at wot performance tune is anywhere between 20k-23k. I assume this translates into less power ?
Pump as 200k miles on

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bigrpowr

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So my rail pressure at wot performance tune is anywhere between 20k-23k. I assume this translates into less power ?
Pump as 200k miles on

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Absolutely. Drop down a tune. It'll make more power. You need pumps to maintain any pulse width over 1330.
 

superstroked90

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I am not familiar with pulse width, is that something my h & s can read ?

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superstroked90

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I weighed in finally, low fuel and was 8,000 lb.. My duramax friend was around 7,000

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