well i think things are pretty much just like all other LSx stuff, stock bottom ends take a beating.
i would think your going to be alright. do a ported LS6 pump double roller chain, better springs and all that, you should be good.
2006 LBZ Duramax Dually, Crew Cab Tow Rig. 4" MBRP EGR blocker, EFI Live 5 way tune
2008 Cobalt SS LNF 310whp
1998 Camaro LS3 416" 8.16 at 168 3125lbs