Flutter Under Boost?

Discussion in 'Mazdaspeed 3 Troubleshooting' started by StayFrausty, Mar 16, 2022.

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  1. StayFrausty

    StayFrausty Frok Greenie Member

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    This isn’t my car so I’m really only posting out of curiosity and to learn something. This dude sends me a video of him break boosting and there’s a very distinct flutter coming from the turbo. Is this compressor surge or what exactly is happening?

    Hes freek basemap on a 4inch intake and I think an exhaust or something. K04 130k miles. Stock MAP, says he’s seeing 23psi
     

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    StayFrausty, via an iPhone, Mar 16, 2022
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