It'll probably sound like I'm trying to throw a wet blanket on your candle - however it's not that way at all.
IF you want to do this project right, and have the end result 1/3rd scale Camaro look reasonable accurate when compared to the 1:1 Camaro, you are looking at investing MEGA time, effort and expense.
I know from experience that a project like this would take at least 5 years of working on it every spare hour you have - if you want it to look "right".
Not that it's impossible. Here's evidence. This is an extrememly rare type of guy with all the right ingredients - time, talent, extreme patience and budget.
I don't know if he had time to enjoy the other things in life during his quest to build a miniature Ferrari 312 - imo.
Dale - Protoform