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[onebadsnoopydog]

So I on my 2016 Flhxse, I'm 200 miles in to a complete cam chest upgrade and I'm hearing a knock in the throttle body. I grabbed my mechanic stethoscope and started listening to both sides of the engine. Everything from the heads, bottom end, and cam chest all sound normal but when I take off the air filter and put the probe the the butterfly plate I hear a knock. So I'm perplexed as to what this could be. Any body else ever experience this?

[Boatman]

I put cams in a 2005 with 103 and a 2010 with a 110.  Both motors after cam install had noise thru throttle body.  Think it’s the lift of the new cams.  Other people on here know more. 

[onebadsnoopydog]

Thanks for the input, the sound drives me nuts, and makes me think that a lifter is loose or something. Again thank you