Highest HP on stock turbo

kmkdiesel

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Oct 1, 2007
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just curious whats the highest hp number on stock turbo not tweaked stock turbo just stock turbo spray or no spray cummins dmax or powerstroke

Mine is 582 and 1468 on spray without water meth and not with the new clutch or cp3, with stock liftpump and injectors also.
 
The 6.7's have VGT's right? If so, I would imagine that's why you can make a lot on those stockers. On any other turbo from a earlier 3rd gen, 2nd gen, ect., you can only throw so much fuel before it starts to get real hot and I just don't think it can move a whole lot of air. But I'm sure you can still make good numbers with a stocker, but something is gonna give, either the turbo or motor.
 
W/ out spray Id think the Dmax or 6.7 would be king in this catagorey
 
On spray there have been a few dmax's well over 700hp. 550-560hp on fuel only. Buck ran 10's on stock turbo, don't know dyno hp.
 
What about on a 12V? Whats the highest with stock turbo ya'll have seen?
 
Haven't put it on the dyno but ran 12.39 in the 1/4 with the stock turbo, stock sticks and stock signal LLY cp3 pump with a modded regulator in a 05 CCSB 4x4 duramax # 2 only
 
Last edited:
just curious whats the highest hp number on stock turbo not tweaked stock turbo just stock turbo spray or no spray cummins dmax or powerstroke

Mine is 582 and 1468 on spray without water meth and not with the new clutch or cp3, with stock liftpump and injectors also.

Dyno numbers are nice and all but how fast is it in the 1/4
 
manual with an iron giant made to pull not race, but one of these days I will give racing a try
 
I made 425 and 920 on my stock HX35 as is in the sig, before the lift pump though....probably why im looking for a vp. :doh:
 
With whats in my sig my truck made 488hp/966tq at Spring Fling, im going to Fawl Brawl with a few tuning changes to see if i can crack 5 bills on the stocker.
 
with my stock turbo and cp3 i made 555hp and 1016tq. heres the graph.
 

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