Boost oscillation on 3 port fix?
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Boost oscillation on 3 port fix?
Hi all I have an evo 8 tuned on a three port, I notice at WOT the boost will oscillate very quickly (sounds like 40-50Hz). I am aware this is the Boost solenoid releasing pressure to the waste gate in order to maintain desired boost. I was reading Merlins guide to tuning and it said something about a bleed to atmosphere fitting in between the waste gate actuator and boost solenoid to remedy this. Anyone have any experience with this or know what the heck he is talking about?
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