Unless he's talking about the fluttering upon lift of the throttle. It's just like the turbo Buick regal's and its from the lack off a blow off/ bypass valve . The throttle shuts , compressed air has no where to go so it pushes back out of the inlet of the compressor housing. But , if they do have them then I'm wrong.
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99 Black Formula, Twin Turbo sold
01 SOM Firebird. Daily Driven, 9's---Sold
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