Trying to finally get my first Muscle Car - I’m nervous

Easiest way to think about old cars is... it’s all about the love of them and what you can afford, not what you can get back out of it if and when sold. While it is nice to think you can break even later... no one can predict the market of these old cars, since it’s all about discretionary income of potential buyers that drives price you can get when selling, regardless of if the potential buyer sees the value you have invested into the car. If you find a car you like and start to enjoy it, don’t be afraid to sink money into it to make the necessary changes to make it suit you. If you leave it “stock” to “protect the value” and you never get to fully enjoy your time behind the wheel, and still lose 5 grand on it down the road if you sell, what’s the point if you saved 5 grand not making it your own and didn’t enjoy it to the fullest.