Quote Originally Posted by ls-r teg
i apologize the block isnt mine i was selling it for a friend but he is going to call the machine shop and verify everything i might have gotten the mm wrong or idk but he told me its a ls block thats been bored and honed to a 2.0 and block gaurded

Yeah homie, please do that. I didn't want to be a jackass and mess up your thread, but a 84mm LS block is nothing more than a core. It's not recommended to got beyond 1mm when overboring, and that block is 3mm over.