If you run E85, you should be able to make 300Kw on that turbo. With those mods, a larger intercooler and hard piping should be on your to-do list but you can get by without one for a while if it's not in your budget.
I agree, and would have expected better numbers. I was making 390whp (mustang dyno) with e85, OEM downpipe/manifold and stock turbo. I know you aren't on e85, but you did upgrade your turbo. Could have been an incredibly low reading dyno, but I would probably be looking for another tuner.
I got my car tuned at IS Motor Racing in NSW (Australia) he is a well known tuner for Evo's.
I have asked another tuner and he said i would get around 230 - 240kw from all the parts including tune and which it turned out correct as i got 234kw
i have also looked at other modded EvoX with similar mods (In Australia) and they are making approx 10 -15kw more which is not much.
however on Evo X Forums, there are so many people that are claiming approx 270kw plus with stock turbo and most of these people i assume are from USA, i assume you are in the USA as well since you use 91 Octane, we in Australia use 98 Octane for Performance Cars.
Im not sure if its the fuel that USA uses that can give better power or what
On pump with stock turbo, the limit is basically 350whp dynojet no matter how many bolt ons you have.... There's really not much else to squeeze out without using e85. I wouldn't expect you to break 260kw without turbo upgrade. With turbo upgrade? Should be much higher.
Your dyno sheet is quite wavy once your boost builds. Did you boost leak test? I would look there first.
Happy to see that you got results that you are pleased with. Sometime its good to get a second opinion if you are not sure because it could cost you more in the long run
Don't know much about that turbo but if it's around the ball park of other turbos I would say you might hit around 380+whp.
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