Quote Originally Posted by Itoldyouso View Post
I'm running 305 heads on my 350, but both were of the Vortec variety, so they simply bolted on and so did the intake. The only downside is that you lose a little top end breathing, but you also pick up some compression..........maybe a point or so.

Don
Years ago I put 260 heads on a 350, not good my exhast pipe glowed red. Finally sucked a valve.
I think I may just give the 305 heads a quick look over. Maybe lap the valves and put seals in it. I'm worried that the valves may have got bent when the water got in the cylinders.