A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

do boost gauges connect to your wastegate?

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Old 04-04-2002, 10:08 PM
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do boost gauges connect to your wastegate?
Old 04-04-2002, 10:12 PM
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CMH
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Default No since that will not give you a vac reading and you would see well over

the boost readings your gauge can handle. That would give you a reading of what the turbo is putting out all the time. You want to put the boost gauge off of the intake manifold so you read it in there only.
Old 04-04-2002, 10:22 PM
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oops, i meant boost controllers.
Old 04-04-2002, 10:54 PM
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Yes I know the Greddy Profec B has an wastegate control.
Old 04-05-2002, 06:44 AM
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Default An electronic boost controller takes the place of the N75 valve.

The best one I found is the HKS EV4 which will learn the boost curve of the turbo. But these should only be used with a larger turbo that can hold a set boost to redline.
Old 04-05-2002, 08:07 AM
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yep
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