RB boost issue

Thread in 'Technical Questions' started by gixxerboy, Mar 8, 2014.

  1. gixxerboy

    gixxerboy Member

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    I've got an RB25DET which boosts to 0.5 bar up to 4.5k rpm then it goes up to 1.0 bar till the redline which is what I have set it at with my AVCR. Why is it not boosting to a bar earlier? The engine has an apexi ax53b70 turbo and the standard 2 stage boost controller has been removed. Could it be a dodgy actuator?
     
  2. gixxerboy

    gixxerboy Member

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    Anyone have any ideas? I think I will wire the Wastegate closed to rule out the actuator.
     
  3. Anthony@LM

    Anthony@LM Member

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    Wiring your wastegate closed will be no good.. Don't do that. lol I would disconnect your AVCR and just run boost off of the wastegate. See if that fixes your problem. Let me know how that goes.
     

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