OK, here is my question. I have to replace both heads. My current head that cracked was fireringed, cut and had hypermax gasket and studs. Should i do aftermarket heads with firering or should i just do the new factory heads with a good gasket and studs? Are the new heads that ford gets different from the heads put on the truck in 03? If so how are they different? I am hoping I don't have a bent rod too as a result of the hydrolock. Basically can i run 190cc inj with sct tuning custom and a non vgt turbo with completly stock heads with a good gasket and studs? And if i stay with the stock heads should I at least have them ported before they are installed?