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Hi guys, First time tuning and I am dealing with this sound and I am not sure if it knock. It happens in neutral when revving and also whilst driving. I have even removed 15 degrees of timing from the whole map and it’s still there. The engine is the factory turbocharged st225. The sound was recorded on a tunernerd knock monitor pro v4 using the unfiltered/raw setting. I am using the hpa roadtuning base ignition map. Thanks guys!
Attached Files
KNOCK-v2.wav
