Quote:
Originally Posted by Sportsguy83
Would you happen to have a boost plot at this power? Also, how many PSI?
My turbo is set right now to 16-17 psi and its hitting peak around 4.5K but is tapering off at the end to around 11 psi and would like to know if its common behavior of the turbo running out of breath at the end or if I might need to start looking for a boost leak.
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It's more likely whatever you are using for boost control isn't able to keep up with the higher rpm. You may need to run a restrictor pill in the lines to keep the solenoid from being overwhelmed.
If you had a boost leak, it'd show up everywhere. Back pressure from the exhaust system may be part of the issue as well.