S4 Stock Boost?

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01-12-2010, 03:09 PM

Matt S4

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S4 Stock Boost?

I could not find a reliable answer so I was wondering if anyone knew what the stock boost is on the s4?

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01-12-2010, 03:13 PM

goodgame

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I think I read somewhere stock max default is 11 psi.

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01-12-2010, 06:37 PM

phukwatyaherd

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Stock Boost Pressure on a B5 S4 is 8psi, not 11.

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01-13-2010, 06:37 AM

donromani

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8 to 9 psi is what actually is going into the cyliders. You will read about 12 psi on your boost gauge.

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