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Thread: Tuning for PD Blowers... Transient Fuel Manifold Volume

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    VIP Member norm8332's Avatar
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    Quote Originally Posted by Phil@PnP Tech View Post
    Is it burst knock?

    Sent from my SM-G930P using Tapatalk
    Thanks for your response,

    I have to check the log more closely about that, I think it may be but it is small, less than 1.0. I believe the issue is the lean spike, it is clearly there on the WB and there is a hesitation until it recovers. The trims are fine. It is as if the TB opens, but there it a delay in the increase of injector output. That's why I speculated that it may have to do with the manifold volume being wrong..at least based on what I understand. I just don't know if I should increase or decrease the volume at this point or even if I'm on the right track.
    Last edited by norm8332; 05-25-2018 at 06:31 PM.
    08 G8 GT: MagnaCharger TVS MP1900 10psi, LS9 cam, 72# injectors, Roto-Fab CAI, SLP Headers, Corsa Catback, etc.
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