RotaryVsPiston

hello everyone names rob pritty new to the rotary club, love the cars few of my friends have them and they got me hooked !! anywho amt im running a 90' s5 n/a black on black few mods, 17' oz rims with Pzero rubber t2 hood focal 6.5 al around with a dubble din deck, short shifter ( not sure of brand ) tein streen spring with tein pilo upper mounts , future mods id like to get are bride seats, RB exhaust, RB header, tein or cusco coilovers, but first things first need to get a rebuild and not to sure what do to ... street port or half bridge whats the main difforance , well thx viewing and hope to talk / meet some of you in the new year

cheers