Aight guys I'm in a dilema and i need some help, I'm 16 years old and I just Bought a 1978 Chevy Camaro Z28, and the guy i bought it fromseemed like a goodfella and sounded like he knew what he was talkin about, he built the engine in it and he says it's a "350 Chevy BIG BLOCK" but many people have told me that Chevy doesnt make a "350 BIG BLOCK" and never has so if anyone can PLEASE PLEASE e-mail me and tell whether or not its true and how to identify the difference i would apprecite it very much. I need help THANKS