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    Is wastegate needed on gt4094r/s484 twins

    Yes the 4094r is fixed vane.
  2. A

    Is wastegate needed on gt4094r/s484 twins

    So it sounds like it will work without the wastegate but if I want be able to get the turbos to be used in the optimal range of the compressor map install a wastegate or even 2. 1 before each turbo.
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    Is wastegate needed on gt4094r/s484 twins

    I've been searching the forums about using wastegates on twin turbos and from what I'm reading I'm thinking it isn't necessary. Looking for some feedback from people with twin turbo setups. I'm building the kit for my 2011 lml using gt4094r with 1.06 turbine housing and s484 with 1.10 turbine...