Stock turbo - how much boost???
Jan 16, 2008, 11:27 AM
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Stock turbo - how much boost???
Hey guys,
i drive a evo9 and was wonder whats the maximum boost the stock turbo can manage and what power will i end up with? Currently running upgraded IC, 3" exhaust and methanol injection (just installed-no tuning yet).
Was considering to upgrade to a 20G or Evogreen.... What are the expected hp gains over the stock turbo?
i drive a evo9 and was wonder whats the maximum boost the stock turbo can manage and what power will i end up with? Currently running upgraded IC, 3" exhaust and methanol injection (just installed-no tuning yet).
Was considering to upgrade to a 20G or Evogreen.... What are the expected hp gains over the stock turbo?
Jan 16, 2008, 11:35 AM
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get tuned is all i have to say. He will take care of the boost. Prob higher 20's with the meth, but you must wait for the tune. Meth can be sketchy and it seems you dont know much about your car. Find a local tuner and get on top of that because the ic is throwing the af off also.
Jan 16, 2008, 11:42 AM
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the stock turbo can support around 450 hp with race gas or meth/alky
i put down 350 with simple bolt ons on pump gas 23 psi
i ran up to 26 psi on race
you can do about 30 psi with a good hi octane /meth tune
i put down 350 with simple bolt ons on pump gas 23 psi
i ran up to 26 psi on race
you can do about 30 psi with a good hi octane /meth tune
Last edited by dsmjeffro; Jan 16, 2008 at 11:50 AM.
Jan 16, 2008, 11:43 AM
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How much boost you run is dependent on your tune, just get it tuned for what ever psi your going to run. Ive seen guys say they've run as much as 30+psi on stock 9 turbos but they also have supporting mods to accomodate that pressure.
Jan 16, 2008, 11:48 AM
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You should have more mods than you listed before running methanol injection or higher boost. You should have an 02 housing, lower intercooler pipe, some sort of boost controller, fuel pump, and of course, have it tuned. Your tuner will set the boost at the appropriate level.
Also, there are a bunch of "20G" turbos floating around. The only one worth getting is the 20G-LT sold by Buschur Racing. It is also sold by Forced Performance as the "FP Green."
Also, before I bought a Green for your IX, Id make sure you have EVERY single bolt on including cams, upper IC piping (lower of course), ported exhaust manifold, etc, otherwise you wont take much advanatage.
Also, there are a bunch of "20G" turbos floating around. The only one worth getting is the 20G-LT sold by Buschur Racing. It is also sold by Forced Performance as the "FP Green."
Also, before I bought a Green for your IX, Id make sure you have EVERY single bolt on including cams, upper IC piping (lower of course), ported exhaust manifold, etc, otherwise you wont take much advanatage.
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Jan 16, 2008, 12:00 PM
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i was considering getting the Green once i got my meth kit, but a lot of people say that i'll gain around 30 hp compared to the stock 9 turbo. try getting as much out of the stock 9 turbo and then see if you want more power.
Jan 16, 2008, 12:03 PM
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You should have more mods than you listed before running methanol injection or higher boost. You should have an 02 housing, lower intercooler pipe, some sort of boost controller, fuel pump, and of course, have it tuned. Your tuner will set the boost at the appropriate level.
How much boost can the stock internals take? I want to squeeze every thing i can with out breaking anything.
Last edited by fas-n-furyus; Jan 16, 2008 at 12:10 PM.
Jan 16, 2008, 12:10 PM
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as much boost as you want! really...
just remember get supporting mods, the right fuel and a tune...
also, boost as much as you want but the stocker will run out of breath around 28-30 psi. it all depends.
just remember get supporting mods, the right fuel and a tune...
also, boost as much as you want but the stocker will run out of breath around 28-30 psi. it all depends.
Jan 16, 2008, 02:00 PM
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I run around with my mbc maxed out 
I also run nothing but race gas and I have meth but that's disconnected. I only connect it when I go on road trips so I can run crap 91
I also run nothing but race gas and I have meth but that's disconnected. I only connect it when I go on road trips so I can run crap 91
.