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STi 3, Stock and Safe boost?

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Old 12 March 2005, 12:49 PM
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garethbrunt
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Default STi 3, Stock and Safe boost?
Hi All,

Can anyone help me as to what the standard boost should be on an STi 3 and also what boost it will be safe to run with a correctly mapped PFC, Decat, full exhaust and intake.

Thanks in advance.

Gareth
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Old 13 March 2005, 10:27 AM
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Please guys someone must know the answer to these two?!

Gareth
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Old 13 March 2005, 10:55 AM
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Originally Posted by garethbrunt
Please guys someone must know the answer to these two?!

Gareth
Not too sure but I think standard is around 16-17psi. With re-map and de-cat 20psi max to stay safe if your running a standard VF23
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Old 13 March 2005, 11:17 AM
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Surely I can go up just 3 P.S.I with only a boost controller though?! Or does the ECU map not have enough fuelling in reserve even for this?
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Old 13 March 2005, 12:15 PM
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Originally Posted by garethbrunt
Surely I can go up just 3 P.S.I with only a boost controller though?! Or does the ECU map not have enough fuelling in reserve even for this?
My STI 4 did not like anything above 16psi with de-cat. Knockink would flash away. I now have Power FC and TD05 etc but I have heard the VF does not like much more than 20 psi
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