[1987mustanggt]

r the svo heads any good? what r the specs of them????i heard for my twin turbo setup i wanna do i can use the stock heads but i need to port them out and get better valves?? is it true?? my cars gonna be a 383 twin turboed carb 86?? so will any of those two heads do the trick?

[1987mustanggt]

when i meant port i meant the stock 351 heads

[1987mustanggt]

when i said port i meant the stock 351s