I've been thinking of doing a GSR block with an LS crank, rods, and PR3 pistons. I've done a little research and I think I might just go this way to make a little extra torque. But I wanted to know your opinion on what would be better to do. I have at my disposal a complete LS block and a complete GSR block.

What do you think on overall reliability, power gain, and is it worth it? Or should I just go ahead and do an LS/VTEC setup?

-Thanks