On a Firebolt the bars are significantly lower and narrower, and you're stuck with that position for the most part. If you want a 9, I'd say to get a...
The paint overspray would likely be a belt killer. You may want to make some sort of improvised shield/cover for the pulley so you dont get any sand...
Put a fuel pressure gauge on the line to see if the pump is making adequate fuel pressure. It doesnt make a difference what noise it makes if its not...