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HI guys, I'm hoping someone can help me.

Here is my story

I got an upgrade to my r33 SII the turbo upgrade was done by GCG. I got the 450HP hi flow Ball bearing turbo. Now my problem is that it’s over boosting. Research has led me to believe it’s because of the exhaust outlet is too small. I have been searching for a VG30 single turbo housing but to no avail, everyone wants to sell me the whole thing.

So if anyone can assist with a VG30 rear housing it would be much appreciated.

So far, I have spent

$200 for an old r33 SI turbo

$1750 to hiflow

$270 Sard Fuel Reg

$220 Fuel pump

$750 Power FC

$2500 Unique to have it all installed

It’s been costly so far and im looking at another $1000

Not sure where to go from here

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https://www.sau.com.au/forums/topic/185097-vg30/
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get the internal waste gate welded shut and run an external wastegate. just a little 38mm one should do the trick

that was an option but I was speaking to scott from insight he informed me that he did that with a 200 and didnt fix the problem so i dont know if mines going be the same.

thanks for the reply

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https://www.sau.com.au/forums/topic/185097-vg30/#findComment-3350739
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