So whos been doin ther home work , came up w this combo , 355 flatop light I beam rod wiesco pistons chevy steel crank in a factory block , vortec heads , hurricane intake , a 520-525 lift cam @110-112 lc , degree it at 110, makes around 450 hp but wide power band w no rpm limit , well 7800 , can do this one CHEAP !!!!! run a 650 vac secondarys also .probly @ 3500-4500or cheaper if u have parts