Oh, and this guy does the "porting for all the fast cars down there," that right there is some nonsense, he just wants you to get your heads from there. I don't know anyone who can do heads better than Al Pappito or Fox Lake......THEY do the porting for the fast cars. __________________ someone elses opinion at least some of my statements are unremarkable.... all of yours are. ls chevy's suck because they cannot make power without cubes. 5.3 only makes 303. unremarkable. huge ports, large valves,big cubes. so what a 460 outpowers them. ALL worthless and unremarkable. your numbers and technical cut and pastes from some program you look at mean nothing. your claims mean nothing. 350 low velocity hogged out 250cc LS ports are not impressive. and neither are you. attempting to attack me to somehow boost you ego or image mean nothing. these guys know me. they know what i do know and what i don't know. i'm not too proud to bow to superior knowledge. many of them in here have that. and i bow to them. you.... are..... nobody!!!!!!