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Thread: Standard boost levels

  
  1. #1
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    MikeWarner's Avatar
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    Thumbs Up Standard boost levels

    I've done a search but couldn't find anything. Does anyone know the sandard boost levels of a Z20LET inc. overboost. ALso - where it comes in the rev range would be good too.

    Cheers
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
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    LordNikon's Avatar
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    Found this in a search ....

    "Should be overboosting to about 12psi in 3-5, then holding about 9-10 psi. 1 and 2 should be about 6psi, with an overboost of 9 IIRC."

    It's a start ......

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    Nice. I've just got a gauge so want to check it is boosting right.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    0.85 bar overboost and 0.59-0.6bar holding peak

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