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This will most likely sound very dumb, and possibly "squady/squidy," but I'd like to know the answer.
With the stage 1 tune, the FA20 makes an induction/valve tick noise at around 4K RPM. What is it exactly? I understand its "normal" but what is making the noise? Could it be something with the cams or sprockets? And lastly, the dumb question, is it a healthy noise? Will there be any kind of damage in the long run from running with this noise?
Thanks!
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