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How much boost are you running?

What turbo?

What is the wastegate spring pressure?

Maybe you are trying to bleed off a bunch of air. Could be remedied by a bigger wastegate spring....

My PFC BCK does not operate as a bleed; it operates as a gate-between-outlet-and-actuator.

That is if the solenoid is open all the time, the WG cracks at the earliest point. If the solenoid

is closed all the time, the WG won't open till backpressure opens it. So no requirement for

dual solenoids or a bleed at all.

Do other PFC BCKs operate in a different manner (i.e. as a bleed?)

Regards,

Saliya

Saliya,

It's a bleed dude.

It's just a computer controlled bleed.

it flicks on and off at a duty rate to bleed off the required air to make the boost you want.

When it hits the target boost rate, it adjusts the duty to hold steady boost.

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