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Thread: Fluttering?
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Old 08-12-2016, 06:19 AM   #14
Join Date: Nov 2005
Location: MI
Posts: 10,075
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New tune is in, 18-19psi, figured the green 15psi spring was not ideal. I put in the yellow 23psi spring.

I still get the flutter. However, I noticed it does not do it at WOT/100%, 50-90% I get the flutter. Wouldn't that point to a small vacuum leak causing the noise?

The only other thing I can thing of, there seems to be a bend/kink in the wastegate rod.

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