NAEK

question 1.) I just had my EK swaped with an LS with GSR head and i wanna go all motor for now... I want to do an all motor lets say a fully built head and block and if i want to boost it what would i have to change besides turbo manifold, low compression pistons and valves...

question 2.) Can i built my head and not touch my block... good or bad thing? or doesn't matter because i'd like to boost it later on in the future instead of buying high compression pistons and so on then having to change it to low compression when i boost it...