So here we go.
I currently have a 66 Chevelle 283. Never touched. I have a new GM NOS 097 Duntov cam, .030, .125 hyper KB166 pistons edelbrock aluminum 2bbl intake and 500 Holley 2bbl. Would use factory Power packs that I would over valve to 1.94 swirl stainless.
Or an LS series...