Yeah I agree fuel injection is a better, but a more costly and complicated, system.
These avenger series carbs from holley should be more suitable for off-road use than ordinary holleys...
I guess that make sence with the front and rear float bowls but somewhat better performance in human angles must be possible.
One other friend uses the same style carb, but bigger, on a 454 big block chevy in a toyota land cruiser. They had some problems wit that in the beginning also...turned out it just needed more air so away went the hood and later on a snorkel was mounted and it works OK now. Nobody knows how to tune these carbs here so I