Because the push rods and rocker arms were not removed from the head, it was decided to apply torque in stages so as not to damage the push rods. Tool tight was followed by 25, 50, then the full 65 foot pounds of torque.
Before installing the intake plenum, high temperature blue silicone was used around all the water ports. This is insurance beyond the standard intake gaskets. In this picture you can see the blue silicone applied in two places on the right head. The second intake gasket was installed immediately after this picture was taken.