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Discussion Starter · #1 ·
I've had this car for about three months now. Just noticed this noise a few days ago. Sounds like a rock gets thrown up into the engine bay when turbo is spooling to 18-19 psi. I'm afraid it's detonation but it doesn't sound exactly like the videos I've found (my sound happens 3-4 times in much slower succession). I don't hit fuel cut and don't feel any power loss. The knock monitors on the AP don't show anything. Currently running TP stage 2+ 93 with Shell 93 fuel. The logs aren't the best I know, they're from the daily commute, but they do include instances where this noise occurs. I've sent the same question to Torqued Perf., was wondering if anyone here can see anything from the logs. Thanks!

LOG1: Afternoon drive, 80 degrees outside: https://drive.google.com/open?id=1AA6yRMBl5HzxTm5m9rbdWcvkeUO6mVBg
LOG2: Morning drive, 62 degrees outside: https://drive.google.com/open?id=1bSnnaRLjoBCDhVA_5QO8yXw7A481lJs9
 
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