order of restoration for a car that is currently a driver

[fishface]

I have been kicking this around in my head for some time now and feel a bit bewildered and overwhelmed. Hoping some who have been there can steer me in the right direction. I have a 69 Camaro with a decent but not great paint, body seems solid ( always a question mark there, lol), a big block that makes lots of noise and chugs the gas. I have rewired the car and upgraded the rear end. Future plan is for an ls3/4l65, body and paint, mild interior upgrade. I can't budget or want to take on everything at once and don't want to have the car down forever either. My question is what would be the best order to proceed? I will do most of the work myself with the exception of body and paint. Sorry about writing a book, but really appreciate any input on this.