I think this guy worked at Earl Schribe in the past, because basically they paint everything. http://www.earlscheibautopainting.com/ Painting a car right doesn't take that long, but the prep takes awhile to do it right.
I holds up really well if you apply it correctly. Then, when you want to make a change just strip if off and you're either ready to go with a different color or back to the original paint. That's what the motorcycle guys I've seen do this are doing.
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Trey
Current rides: 2000 BMW 540i/6 and 86 C10.
Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims