i had the 650cfm avs carb in my truck when i built the engine. could never ever get it running great. finally upgraded to a 650 speeddemon and will never buy another carb again. i dont know why people complain about how hard they are to tune, it's way easier to adjust than the edelbrock i had.
that being said, if you're looking at the avs carbs, they are in the same price range as the demons
