2 barrel heads all the same as each other, standard 4 barrel heads. You will get a few different answers but if you get 500hp n/a from them you have done well. even ported you will be. They were manufactured with larger intake and exhaust port volumes.

But that would also require more gear and stall. Webjan 17, 2018 · for a given power level, most 327 and 350 heads were identical, or nearly so, before 1970. This compression is high enough to use a good size cam. Webjan 9, 2008 · a 350 with flat tops and 64cc double humps should make around 10:1 cr.