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  1. The best TB Cam valve clearances? To me.. my engine don't sound right at high RPMs.

    Grom Performance
    I installed the TB cam on my 2015 OG a couple weeks ago and at high RPMs the motor don't sound right to me.. Valves making a slight noise as the RPMs increase. Not noticeable at idle. At first I went with the recommended I.004 & E.007 valve clearance.. That didn't sound right so I called Hard...
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