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Internal Gate Screamer

marto184

By marto184,
in Fabrication

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marto184 Collaborator

marto184

Posted
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So i'm sitting here wondering if there is a way for me to seperate the dump mouth of a standard 33gtst turbo to make a seperate gate and dump flow.

I have a split dump pipe and i want to know if i can divide the 2 outlets on the back of my turbo into 2 seperate sections, meaning that when my gate opens it goes straight out but when im just cruising it flows along through the full system.

Let me know if anyone has done this before. Im interested in seeing if/how i can do it.

Cheers

Ben

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reaper1721 Collaborator

reaper1721

Posted
Posted

Most internal gate screamers leak a bit. A piece of metal needs to be added to the turbo side of the exhaust flange to block flow between the waste gate and turbine outlet at the back of the turbo. The trouble with this as far as I am aware is that due to heat expansion, a perfect fit can be problematic. Also, when they are mass produced, differences in casting make it difficult to have a decent seal as one turbo may be 0.5mm smaller than another meaning to seal up on the larger, the smaller would not fit.

Other than that, cut the waste gate pipe off the dump and seal up the hole. The waste gate pipe can then be cut further and routed off to where ever you want it.

Make sense?

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34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

Like a dual port blow off valve type setup? A vent to atmosphere and a plumb back waste gate?

Nope, a screamer is just a pipe that goes atmo from the wastegate... Internals generally don't sound that nice, have issues with leaking (as mentioned) and due to smallish standard turbos would be open a LOT..... I have mates with them but would never do it to my own car.... There is a few different designs around and yes you can do it....

  • 2 months later...
  • 3 months later...
marto184 Collaborator

marto184

Posted
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Posted

So the stepbrother bought a 32gtst. basically stock with a fmic and 3 inch dump back system. Internal gate screamer fitted and it sounds brilliant. Well worth the cash in my opnion. Although when you see a stock xr6 out accelerate a skyline when the skyline sounds like its got 250rwkw its pretty funny. Not a bad investment guys. If you want that epic gate noise from your car.

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

So the stepbrother bought a 32gtst. basically stock with a fmic and 3 inch dump back system. Internal gate screamer fitted and it sounds brilliant. Well worth the cash in my opnion. Although when you see a stock xr6 out accelerate a skyline when the skyline sounds like its got 250rwkw its pretty funny. Not a bad investment guys. If you want that epic gate noise from your car.

They sounds average at best, Once you hear a proper external you will know the difference :P

Calsonic14U Mentor

Calsonic14U

Posted
Posted

Looked at one of these for my 32 race car where defect is not a problem. But yes even my race car with only around 200kw would look funny getting smashed by a quieter 33 or something on the track lol.

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

This haha.

Internal gate screamers sound like ARE an exhaust leak.

FYP

Although all screamers are, it just sounds more degrading that way :P

Alot of people who can't afford the whole external gate setup would like it though. ill see if i can get a vid of it so yous can hear it.

Link Vid!

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