Sounds like you're able to drive fine with it like that right? Like it's not doing that at 4k rpm+?
Sounds like what the guy above said, some loose pulley or MAYYYYYBE rod knock but it really doesn't seem like rod knock to me
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Black 2014 370z Sport Touring MT | FortuneAuto 500s | 25mm Rears 20mm Fronts | Invidia Gemini Exhaust
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