You know you can get the aerosol can airbrush setup pretty cheaply and use prethinned airbrush paint.
https://www.hobbylobby.com/Crafts-Hobbies/Model-Kits/Airbrushes/Snap-Spray-Airbrush-Set/p/1078
https://mcwfinishes.com/shop?keywords=Acapulco Blue&olsPage=search
Yes, its a Monogram. I bought one oob and planning on a restomod.
Its been maligned because of the custom seats and some other issues.
You did a nice job making it close to stock!
With the way GM is focusing on self-drivers and EV's, I see a possible pivot away from racing anyway except for supporting the Vette, Indy cars, and their logo on funny cars. Just my opinion.