Quote:
Originally Posted by Camper
without upping the displacement 520-530 is pretty max'd out. Upward of 600 if you up the displacement.
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I 2nd this. A resleved and stroked LS3 block with big bore aftermarket heads, monster cam and Fast 102/102 could probably get you 600rwhp but on a stock shortblock 520rwhp is about the max. A bolt on ECS or Whipple could give you the same 600rwhp on a otherwise stock longblock.