Thank you all.
I did build this for long haul rides up to the farm!
I haven't had much time with it!!!
This morning I did check the plug (#6) and no fouling, but as you all said, need to get out there for a long cruise.
Yes to progressive linkage, no choke. I was aware of the centre carb only running until I hit higher speeds then the other two open up
I have to give some credit here to the guys that built it as far as jetting amongst all other items mentioned!
That plug was bad, pretty sure!
Let's see if this one fouls!!!!
Next ride will be a long one and on the highway