Quote:
Originally Posted by BunkerJ
I stand corrected on our issue now that I think about it. In our case, it's highly unlikely that we're getting compressor surge. It's very likely valve flutter that we're getting. If you're getting during WOT or after WOT, then I'd call it compressor surge. This only occurs at low boost in my case, which is causing the valve to bounce. Normal and not harmful
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Where does the valve flutter come from? That noise sounds exactly like compressor surge... is there another part that is a fan somewhere and has air hitting from the blowing side (i mean even if that's not turbo, it can't be good no?)
Thanks