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Hi

Im having problems with my r33 overboosting. i have a 3inch exhaust and FMIC and i get about 7 psi til 4500 then the boost keeps rising til about 13 before I back off. This makes the car missfire and have no power (boost cut or fuel cut, it hits something like that).

I have a short line directly to the actuator with no boost controller, and the stock two stage is disconnected.

When testing the actuator with compressed air it only moves about 1cm and the wastegate only opens to about 40% ???

How far is the travel on the stock actuator?, is it stuffed?

thanks if you can help. :)

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https://www.sau.com.au/forums/topic/61470-actuator-causing-overboosting/
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