Sifus, need some help here. I'm from penang, driving a Mira-ed 659 EFI turbocharged Kancil with a normal stock boost of only 7 psi. I'd like to increase its performance buy upgrading my turbine (maybe a TD04), but from wat some frens tipped me off, i need to strengthen my internal engine parts.

This is where i'm weakest. I wanna understand a few questions below:

1) What effects might take place if i upgrade these internal parts (e.g. cam pulley, camshaft, compression ratio, crankshaft...