I guess the advantage of having a chevy is the parts are cheap, the factory parts are strong , i
you compaired a 520ci incher (ford that made 750 plus hp witch is way repectable) what did it cost?
example our chevy 540 is ( 100% pump gas ) 11.5 -1comp the heads have no porting ,360 top pro line ( 1800.00) cam is 760 lift
it made 867hp / tq 773 for under 10k 9800.00 to date 3400 lb street car 8.49@161 on a med tune on hp it runs 9.70s@141