>>5973357dont know if you're still lurking but i can give you some good tips, i only do the 1/24th scale cars so ive gotten really good
1. enamel paints in the small revel and humbrol tins are great for internals, and small decoration, try not to use it for large thing though, like interior door panels and the dash, paint those with the sprays.
2. internal parts dont really need primers but i usually paint silver first before the actual colour.
3. Tamiya's ranger of sprays are the best you can get for models, they're very fine compared to the regular car paint sprays, and they dry fast, the TS-6 Matt black is way better then any car paint spray matt black you can find, it'll dry perfectly given time to cure.
4. sand the body with grit 2000 or higher sandpaper before your primer coat, and primer should be ok, use white primer for light colours like white and yellows, straight silver is a great primer for metallic colours, grey for anything else.
5. once you've sprayed your first coat of primer, sand that lightly then prime again
6. main coat time, spray each coat in about 3 minute intervals, do about 3-4 coats in total. i do mine out in the australian sun when its not too hot outside, helps it to "cook" and dry evenly. but i do that down the side of my house where the wind is muffled.
7. any problems with the paint work sand it back and start again.
8. Tamiya ts-13 clear coat, spray 1 coat over your main coloured coat, spray it generously but not so much it puddles, then wait 3 mins and spray a second coat over that
9. let it dry inside out of the way of anything that could cause dust to get on it. 2-3 days is best for it to fully cure.
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