im wondering.. i have an all stock internal 283 (bored 60 over) with a 600 holley carb and intake and summit headers backed by a 700r4 tranny and 410 gears... i was wondering if a vortech top end.. heads and intake ... is all swapable... and if so what kinda improvement would it give me... (hp... gas mileage.. tq... anything) i can get this set up cheap and im wondering before i get it... let me know .. thanx