I know of trucks holding 700 while getting beat on constantly and I know of trucks that broke with just a mild canned tuner. Roll the dice but it's expensive if you lose.
There are trucks that have lost pistons with 1/2 that HP..
Lb7/LLY have weaker rods on avg then LBZ/LMM
LML head bolts/gaskets are better then everything previous
I caught the sarcasm... Seams some didn't lol