Heat is dissipated by circulating water and heat sink of the block and other components, internal pressure is equalized via intake/exhaust. 0 Flag as not constructiveApr 24 at 6:56 PMType44I???m local but don???t know anything about Studes, would love to believe that this was originally sold here:http://www.modernphoenix.net/stewartmotor.htmGreat Mid-century architecture and still standing vacant,