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HELP I have no boost

This is a discussion on HELP I have no boost within the Forced Induction forums, part of the LSx Technical Help Section category; I just in stalled my sts kit. It is a T-67 and I have added an obx fmic. My problem ...

  1. #1
    Junior Member
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    navy blue met.
    1999 camaro Z

    HELP I have no boost

    I just in stalled my sts kit. It is a T-67 and I have added an obx fmic. My problem is that I am only seein like 4 lbs of boost on my gauge and i know thw gauge is some what right cause on the dyno you can see the car pullin like a monster and then at about 4500 rpms the boost drops to 3 lbs. I put a tee in series with the wastegate to watch my pressure back at the turbo and it is showing 9 lbs which is what I am wanting. Anyone have any ideas?

  2. #2
    Junior Member JunkyardTurbos's Avatar
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    Apr 2006
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    Memphis, TN
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    Silver
    2002 Z28

    If you are making 9psi near the turbo, you should be 9psi at the manifold when the throttle is open. I don't follow how you are checking the pressure at the turbo. What did the dyno pull look like?

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