If you want it all to look the same it all needs to be sprayed at once, whether its apart or together.
and you need to keep track of every coat on every part , if you miss one part and start putting it together and get it in the sun , you will find out real quick it doesnt match.

Your a brave Man if your going to spend lots of money and try spraying a Kandy not ever spraying it, because if its not right, it all has to be done over.
Theres nothing worse then a bad kandy job .
I wish you well on trying it on your own, as it wont be easy.

You might go to a good book store and look in the Automotive area and see if there are any books on custom painting , You need to get an idea on what your up againts if your painting skills arent top notch.

Spray