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Tial 38mm Chatter under high boost

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Old Jun 14, 2017, 07:34 PM
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Tial 38mm Chatter under high boost

I have a fp zero with tial mvs 38mm wastegate. I am boosting at 2.2bar(32psi). The wastegate seems to chatter to try to maintain and hold the high boost.

My spring in the wastegate is rated 1.5bar. will changing to a 1.7bar spring get rid of the chatter?
Old Jun 15, 2017, 12:26 AM
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did you check your connection mines did this

reconnected it
Old Jun 15, 2017, 12:44 AM
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i have reconnected with new vacuum lines. followed the instruction manual of the HKS EVC 6.
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