By a set of thytek heads and sell your 6.1 heads as cores. You will be money further ahead than getting them ported. The thytek will out flo those ported stockers by a landslide at
[email protected].
Rotating assembly is actually fairly reasonable. Do you have a factory 6.1 crank? Its forged just get rods and pistons and ssve there as well.
Can you make a second set of mounts for this guy?? Solid instead of bushed??