Whats the difference ? 4150 question !

I'd buy a bigger carb and sell the 830 before I started grinding on it. The booster style will also change cfm's.[/QUOTE

I agree with this. There are so many better choices out there, but they are not always cheap. But the pay once, cry once fits here. I’ll find some links to what I think I would use and then post them in this thread.