Shimming my internal wastegate?

[gobeli67]

Ok so I've herd of some people talking about shimming their wastegates to so that thier boost wont fall off. How do you do this and has anyone ever done this.

 

[my98GST]

never heard of it.... just get a manual boost controler

 

[SlowChild3]

What problems are you having?

 

[my98GST]

sounds like his boost is falling off to me, but thats just me.........

what turbo?

 

[Quasimondo]

Put washers underneath the wastegate mounting bracket. It moves the wastegate further away which holds the flapper down tighter so it doesn't blow open at high boost. Not done in most cases because our wastegates don't have that problem. You're more likely to lose boost from the blow-off valve being forced open from high boost, which is why some folks modify it by 'crushing' it.

If you're not planning on going beyond 20 psi, then you don't need to do either modification.

 

[my98GST]

Put washers underneath the wastegate mounting bracket. It moves the wastegate further away which holds the flapper down tighter so it doesn't blow open at high boost. Not done in most cases because our wastegates don't have that problem. You're more likely to lose boost from the blow-off valve being forced open from high boost, which is why some folks modify it by 'crushing' it.

If you're not planning on going beyond 20 psi, then you don't need to do either modification.

Agreed

 

[napoleon]

just buy a MBC. Messing with it, if your a newb and take havnt turned that many wrenches, is just asking for disaster.

On the flip side, i cant say i havnt done that before.

 

[Killa_dsm]

Well in order for my flapper door to be closed I had to shimmy the thing ALOT! I think my actuator is bad, but sometime you might have to add a couple washers in order to keep your flapper door shut.

 

[fourreGsixty3]

I believe this is what he is asking about guys... http://www.dsmtuners.com/forums/showthread.php?t=235920