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Boost v9 sti


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Just my opinion but any increase in boost without modifying your ECU mapping is dodgey + most of the time it doesn't increase your power.

Contact your local Performance Dyno Tuner and look to have your Stock ECU Remapped, this will be the safest way to increase power without having any issues with leaning out your fuel... Costs around 800 to 1250 usually

I should know a thing or two about this topic as I'm on my 3rd engine due to things Leaning out.

Greg

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 jimme18 said:

Howsit

Just a few quickies, wats the boost my v9 sti running and wat is a safe boost it can run if increased through a electronic controller without an external?

cheers guys

or just getting you a.f check on dyno and turn the boost up a few clicks.would boost on a v9 been around 18psi standard.thats plenty.mayb try other mods such as cai(cold air intake) or a new downpipe.as the standrad one as hardout restrictive

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My stock V9 did 21psi peak dropping off to 13psi at redline - 180kw at the wheels on the Torque Performance dyno.

You can leave the peak at 21psi and flatten out the rest of the curve, it should be able to hold 17-18psi on the stock wastegate actuator.

No need for a boost controller - with a little more cash you get the ECU flashed - all boost control can be done through the factory ECU. It will do about 210-220kw with the stock intake, exhaust and intercooler.

Put up some pics of your car, I'm a big fan of the V9's.

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