Which LS???

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I know this question has been discussed a lot but I can't decide which ls to buy.I have been thinking about the LS3 480hp from GMPP,a LS3 from a wrecked car or a motor from Prodigy. Its gonna be In a 69 camaro that will be on the street most of the time but with a little track time.I would get the GMPP motor but I'm afraid I would be unhappy with the cam and by changing that I would void my warranty,but is the warranty that big of a deal?I want something that will be easy to get running and I think all new stuff from GMPP would be. And maybe in the future I might want to add some boost to it. I'm just not sure which one is the right way for me to go. And help would be appreciated.