bad knock on daytona

Reved as in free reved/neutral/clutch in? If so, you're not going to see any codes from that, as it is probably caused by a bearing issue (whether is be internal to the engine, or a pump/alternator bearing).

If you mean knock as in detonation/pinging when driving, then first see how much boost you're running.

Have you checked your oil pressure, could have a rod or main bearing shot!

ok will do thanks

lametec said:

then first see how much boost you're running.

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as of now its a non turbo i am about to convert it to a turbo