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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
With a "T" fitting in the boost line you can have both.

Adjustable boost done electronically or manually with a mechanical air pressure regulator is feeding some of the turbo's boost pressure to the top side of the wastegate instead of having it vented to atmosphere.
That way it takes more turbo boost pressure into the bottom side of the wastegate to open it.
Old 02-17-2017, 07:21 PM
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