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Old 07-08-2015, 10:38 PM   #21
R3diculous
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While the wastegate is what directly controls how much boost pressure is created it does not prevent the already presurized air in the intercooler piping up to the throttle body from backfeeding into the turbo chager once the throttle plate closes, this causeing back pressure and turbulence in the inducer side of the turbo and in the long run causing damage to the turbo. Why would you not run a blow off or diverter valve. That doesnt make any sense.

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Old 07-09-2015, 06:23 PM   #22
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this ^
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Old 07-13-2015, 05:03 PM   #23
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Have you ever heard of Noble/Rossion cars? They don't come from the factory with a blow off or by-pass valve. Have you ever hear of Corky Bell? The guy that wrote the book "Maximum Boost", call him and ask him if your turbo will be damaged without a BV or by-pass. I have talked to him, he will tell you that what you have "heard" is incorrect. Do more research, there is a lot of misinformation out there.

Why would you want to loose the pressure in the intake tract when you shift thru the BV? So that you can wait for the boost to build back up?
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