Quote:
Originally Posted by AVOturboworld
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.
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I'm now running Perrin's MBC. This are my latest Plots. I'm actually hitting peak boost like at 4200 RPMs
Below are my Boost curves when on 93 pumpgas and hitting 11-12 psi, same Perrin MBC.
Below, with the 5 PSI actuator adjusted with MBC to 10 psi
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King Tut , boost plots to compare
