Hi All,

I have an FJ20et HKS cast iron high mount turbo manifold and concerns have been raised about it's capability to control boost due to the position of the external wastegate. I have an TIAL 41mm sportgate going onto it and in the process of modifying the wastegate flange to suit, this concern was raised.

Question is; has anyone used this manifold and experienced a problem with over boost, or does the external wastegate position work?

Any help or assistance with this issue would be appreciated.

Thanks in advance,

Dennis

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