375 -400ish hp would be nice and should be posible with the rite cam. i got the crate engine in and running it runs real nice but more would be better.dont think it has much of a cam it idles real smooth at 800 rpm,wish i new a way to identifie exactly what i have seems it could be a few diferent motors rite from 285 hp -330 hp.it also looks like factory chrome valve covers on it deos that help?