the gasket sounds like the most likley culprate. it's not surge. i' gonna go out and check for play in a few. but it alomst sounded like it was coming from under the dash like the area right infront of me. thats why i suspected the turbo. i have a new outlet dump pipe so it shouldn't be that. i'll post again after i check the shaft for play. also you can hear the turbo wind down after you shut the car off. it's not loud at all but you can hear it. is that normal?
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