What is the sound of one piston slapping?
What is the sound of one piston slapping?

Used 2-day shipping to get my PCM to ZZP for tuning in hopes it would be quick. Nope. They've had it for a week now and no word from them, and they haven't even shipped it back yet.

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I sent an email Saturday.. no response but I don't think they're open on weekends. Getting a bit frustrated now because I need my car. Buh.

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