Lance- it's funny you mention that. When I was trying to tune the 830cfm carb and adjust timing, I used an infrared gun to check the header tubes. But, I did it quickly and didn't pay much attention because our attention was drawn to another issue that day.
I will check the tubes today now that the new carb is installed. Honestly, I was hoping it was a carb tune/timing issue that was causing the vibration, but the new carb didn't seem to have any effect on the vibration.
Thanks for the input,
Daniel
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