Stock l28t bottom end with arp rod bolts. Big turbo, i/c, injectors, bpr8es plugs, haltech e6k, with boost coming (1-2psi at 3000rpm 15psi at 3800rpm)in timing is about 26 deg. At 4200rpm (where my torque peaks) its at 23 deg. then it goes back to 26-27 from 5800rpm-up. This is on 93 octane.
Ivan