2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

ported s4 wastegate. pics and questions

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Old Mar 24, 2003 | 01:43 PM
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joelu's Avatar
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ported s4 wastegate. pics and questions

i just ported my wastegate to 22mm which means the door covers 83% of the hole. i was wondering what kind of boost could i control with a mbc. i know that s5's with a full 3" exhaust will get 10# or more. what i would i be able to do. i want a full 3" but for now i think im gonna get just a 3" dp and go from there. any suggestions.
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Old Mar 24, 2003 | 01:54 PM
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well its not letting me attach the pics. oh well
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Old Mar 24, 2003 | 02:08 PM
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22mm is about twice the size of the stock hole.

You should be fine with a 3" all the way back.

Get a ball and spring MBC instead of a bleeder valve...it should be sufficient enough
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Old Mar 24, 2003 | 02:14 PM
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i already have one. this guy that had a talon gave it to me. it sys "avo" on it. what kind is that?
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