any gains in porting the boost bypass passage?

**whitcomb** · 01-17-2008

i dont see it doin anything becuase it works like a wastegate basically, i think?someone correct me if im wrong!!

**my97gtp** · 01-17-2008

If your ported it larger than the plate in it im sure you would loose boost. I dont think their are any gains to be had by porting it unless you were turbo.

**fst** · 01-17-2008

Originally Posted by my97gtp

If your ported it larger than the plate in it im sure you would loose boost. I dont think their are any gains to be had by porting it unless you were turbo.

lets assume the outlet(bottom portion) is ported and not the top/inlet, boost would be generated the same since the BBV plate is shut anyways. i think this would only be changed, if any, at cruise and idle when no boost is initiated.

**IndeedSS** · 01-17-2008

why would you want to bypass more boost?

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