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Discussion Starter #1
Currently have a 2002 F250 7.3 Powerstroke, wondering how big of a difference an aftermarket HPOP will make horsepower and torque wise? gen3 or stealth pump?

Current mods: afe intake, 238cc/100 single shot hybrids from unlimited diesel, complete fuel system (fuel bowl deleted), 4inch exhaust turbo back, forged rods, head studded, PHP hydra chip, matt @gearhead performance custom tunes, modded h2e turbo, gauges.
 

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Is your pump weak? Need some WOT info. ICP pressure and IPR duty cycle. Do you know if matt has pulled back injector PW to hold HPO pressure? Hybrids are not that hard on HPOP. I'm sure it'd benefit, but how much is the question. If your pump is in great shape it may only provide some minimal gains.
 

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IMO an HPOP would have been right there when have doing them mods. im sure it can keep up but its not modded 17 or adrenaline thats for sure.
 

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assuming your not holding great pressure youll probably pick up andother 20-30+ and 60ish tq. when i had stage 2s i added a T500 and it carried the RPM longer and stronger basically.
 

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Old Yeller, REBORN
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No doubt you will benefit from it. I would get some numbers before and after if you do it. I am only running a modded pump from Terminator, not even a T500 with no issues but I am sure my numbers would be better with a new modded pump.
 

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I think bob had a php truck with a dyno gain of fifty hp with an adenaline swap...
i would expect the old hpop was weak
..but good gains to be had.

I am not sure i would go all the way to a g3....
But i am budget minded...swamos couls answer that better
 

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If you do change HPOPs ask Matt to write you a tune or 2 for whatever pump you decide.
 

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I had Gearhead tunes......my new tunes from [email protected] Dynoproven are SOOO much better. Tow tunes more powerful, performance tunes are unreal!!!

Matt had a massive pulse width....I gained once I switched to The Honeybadger Jr. Faster starts, pulled grades (pulling new rv trailers) easier, fuel mpg up a slight bit when running rolling hills, grades, & mts.
 
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