Intake Exhaust
Valve Adjustment 0 0
Gross Valve Lift 0.477 0.48
Duration At 0.006 Tappet Lift 268 280

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Valve Timing At 0.006
Open Close
Intake 28 60
Exhaust 74 26

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These Specs Are For The Cam Installed At 106 Intake CL
Intake Exhaust
Duration At 0.05 224 230
Lobe Lift 0.318 0.32
Lobe Separation 110

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These are the specs from Comp for the 268 Extreme energy cam.

I'm no expert on cams but could you be mistaking a "rumpy idle" as a miss? The vibration after rpm increase is concerning, balance issues????