hi does any won know much about holley carbs ive got a 70 sbc lt-1 z-28 factory alluminum highrise manifold i think these only came stock with holley carbs on them.question is will any holley carb fit on this manifold or do i need an adapter plate also im thinking of purchasing a 600 cfm part #1850-2 single pumper carb but guy has no idea what came off of will this carb fit on my manifold does any one know what this carb will fit thanks