I have a Question too...
Please clarify:
When using a JGS 40mm wastegate in a COMPOUND turbo setup...
Before adding the gate,
I had seen over 100 psi drive pressure to the secondary, (smaller turbo)
And 50 psi to the primary turbo.
I have installed the heavy spring, (~10 psi)
I have installed a pressure regulator on the compressor discharge of the secondary turbo, and have it set to 5 psi.
The bottom port is open to atmosphere. (Has a short length of open ended tubing on it, so no water gets inside the actuator housing.)
Is this correct?
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2003 Ford KingRanch F-350 4x4
793HP fuel only
12.2 @ 113.06mph
If It Ain't Broke...Fix It Until It Is!!!
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