4bbl running rich.

VeryValiantVellow said

Well Rusty. You are right. Was hoping for an easy fix like, "you need a lefthand monkey wrench". Ive never had much trouble with one of these carbs, have always been simple to tune but the mods are, as you say, extensive. I'll have to pull the stats and come back when I have more time to discuss.

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Here, read about these. Read ALL of it. There are some drop downs further down the page. I'm a BIG fan, one, because I have one of their 450s on my slant 6 and it runs GREAT and 2 they are a good bang for the buck. Read about all their adjustability. I'm not tryin to say run out and buy another carburetor. You may have constraints to work within. It's just a thought for now.
Quick Fuel SL-750-VS Slayer Series Carburetor 750CFM VS