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

waste gate porting

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Old Mar 25, 2008 | 06:44 PM
  #1  
whereiscarmensandiego's Avatar
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waste gate porting

okay im gonna port my s4 wastgate and i read from aron cakes write up that its best to port toward the runner but what way is the runner? towards the pivot arm or away from the pivot arm and iinto the side??
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Old Mar 25, 2008 | 09:01 PM
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The runner is were the exhaust travels from the manifold to the inner part of the turbo. There are two runners, one WG port. When you look through the flapper port, you are looking crossways at the runner.
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Old Mar 25, 2008 | 09:11 PM
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I'll sell you my S4 exhaust housing that has a 33mm flapper with a machined seat, back cut and the inlet ported. All for the low low price of 100.00. Went with a GT3574 kit so no need for this anymore and most people don't want the entire turbo.
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Old Mar 25, 2008 | 09:15 PM
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The broken stud is out, just haven't taken a new picture

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Old Mar 25, 2008 | 09:50 PM
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sideways!!
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damn, thats huge.
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Old Mar 25, 2008 | 11:22 PM
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whereiscarmensandiego's Avatar
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naw if i was gonna get a dif one i would just get a s5
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Old Mar 26, 2008 | 01:08 AM
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initial D is REAL!'s Avatar
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Nice job on the porting and welding
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