Thanks for the info!!!
Well, I will likely bump the budget higher..haha
I'm not against going to a tuner. I suppose Denver (400 miles) or maybe Billings MT (100 miles) might have a tuner available.
I'm staying on the milder side of things. I think a 5.3 truck engine should be had fairly cheap, and could easily handle 700 HP. I hear you about studding the engine, and yes, I would have it balanced, since it's apart anyway. I actually have a decent machine shop where I live (so I heard). He does have an engine dyno, but I'm not sure if he is hip on LS EFI tuning, I'll have to talk to him.
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