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does anyone know in mm's the max dia. a ko4 wastegate can be ported to?

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Old 02-16-2007, 03:29 PM
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does anyone know in mm's the max dia. a ko4 wastegate can be ported to?
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Old 02-16-2007, 03:33 PM
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Default probably the same diameter as the flapper, unless you had a larger one to replace it with.
Are you having boost creep problems?
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Old 02-16-2007, 03:47 PM
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just exploring an idea
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Old 02-16-2007, 03:48 PM
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btw- your sig confuses me. can you elaborate on your plans?
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Old 02-16-2007, 03:54 PM
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nevermind... just realized you have an A4
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Old 02-16-2007, 03:58 PM
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s4 bumper + avuses = tricky
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Old 02-16-2007, 04:56 PM
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sorry. goal is 300whp on pump, 350whp on race. BTW 160k miles on original motor.
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Old 02-16-2007, 05:45 PM
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Default You almost made me poop my pants...I thought ATP might have came through for us S4 owners :-(
Freakin bastards.
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Old 02-17-2007, 03:56 AM
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Default put a larger flapper in..........email me if you want some more details on that
done it before a couple times with K04's and some more with K16's.
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