Back to the beginning: a reliable daily driver that's a little "hot"...that tells me pump gas and an air of coolness, so maybe we should limit our discussion to those criteria.
I know that some here don't like the multiple-carb setups, but Speedway has a cool-looking 3X2 setup with progressive linkage and carbs that are better than the old Strombergs, including optional Demons. I think they're 205 cfm each.
The lengths of the cam and crankshaft introduce the likelihood of twisting at high loads, so the max. rpm should be limited to avoid problems, and the bottom end should be as beefy as possible.
I remember reading about a guy who campaigned a 6-cyl. Camaro, and won regularly...many years ago, maybe Hot Rod mag.
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