bullshit, you dont necessary need a built motor or fuel systme to run a turbo. Please dont go on saying stock v8 motors wont hold psi or power. I can easily prove that statement wrong and have been.
a ls9 is a 377 ci motor a LS7 is 427. displacement always wins period. you put boost to a 427 ci motor it will make more powre then a 377. your put boost to a 640 big cheif it will make more power then a 572
BS the Ls9 still uses hypercast pistons just as the LS7. Ls7 have TI rods, both motors are stout from factory. your talking about LS motors which eveyrone knows are touched by god.
in the right hands a STOCK INTERNAL LS motor will make every bit of 800hp easily with FI. No one in the LS world has truely found the weak link in the motors. some push water, some lift head and bend rods cause of coolant in cylinders. if you dont detonate the LS motors last