Originally Posted By 3404
Do not overlook fuel pressure and float heights as well. You may be surprised what another pound or so of fuel pressure will change.
Yes, both can make a big difference in moving the curve around, and blower motors ( I run a blow through carb - Prosystems carb also ) can make the sorting out process more difficult. Doesn't look like you are running power valves, so you can at least take that out of the equation.

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