I'm building a MILD all motor LS, before I get into my questions here's my build:
LS block, rods
USDM ITR 0.25 pistons, rings
USDM ITR girdle
USDM ITR oil pump
OEM main and rod bearings
ARP rod bolts, head studs
10.3:1 C/R.
ported/polished head (mild, nothing crazy)
crower retainers and springs...