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Thread: boost pressure??

  
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    z20let corsa's Avatar
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    boost pressure??

    Right. when the cars finished, ill be getting the forge actuator set up and all mapped etc by a local tuners. ill be running a z20let engine with a gt28 turbo and vxr afm, injectors etc. what kind of boost should i get it set up to?? i was thinking a bar?? but worried that might be too much, a friend has reccomended 0.8 bar. what are your opinions. it will be getting run on std. internals for a year or so before i rebuild it with rods and pistons etc.

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    1bar on a 28 will probably be about 300-320 bhp.

    Are you having it mapped after fitting the turbo?, what boost control are you running?, standard or an Apexi, Blitz, eBoost, Gizzmo ect?
    Astra SRi Turbo
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    ok cool. it will be being mapped after everything is fitted. at the moment im just going to be running standard boost control with the forge adjustable actuator. Will that be ok or should i go for an aftermarket controller??

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    You should be OK on standard boost control, just make sure it's mapped before you use any boost.
    Astra SRi Turbo
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