Part 1 Cam Basics: How camshafts work

Part 1 on how camshafts work. In this series we're discussing camshafts in Harley Davidson V-Twin engines and how the relative designs affect & influence power output

[@thomaskramer2979]

Good info. Looking forward to part 2 👍

[@louisluongo5987]

If my power vision dash board is showing a rear valve efficiency of 86%, does that indicate an issue? Is there an adjustment within power vision to get better VE? Thanks!!

[@taps_1021]

👍👍

[@georgepierce3595]

is it important to check crankshaft runout before i install a new torque cam?

[@RGHD912]

Yes