Wastegate Button

[xr6turboman]

My tuner wants to bore out my wastegate and put a button in - in order to control boost??

Has anyone else heard of this is there any disadvantages/advantages of doing this rather than 12lb actuator??

Car is holding 14psi pretty well actually but he wants to bring it back for abit of safety.. I have NFI

[mattyb]

It's called porting the exhaust housing... do a search, it's a pretty common mod to do and will allow the turbs to be wound out to 19psi, and hold boost nice and tight with the right actuator.

Edited 17/05/10 09:46 AM by mattyb

[xr6turboman]

Yea he's talking about not changing the actuator and just putting a button in?? 19psi..mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

[Paulie2256]

button?? does he mean flapper valve? The porting is done at the exhaust port in the gate and a bigger flapper is fitted. I never heard of a button. The actuator is required because the stock spring cannot hold the bigger flapper shut. So actuator is upgraded with a stronger spring.

If you want to know what it looks like just lift the flusher lid from your toilet.

[RAP1D]

Yep must do the actuator too... unless its already had a stronger one fitted earlier.