I'll try to help. My father has a 2004 white Tacoma.
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Meguiars M100 inside the doorjamb for this test.
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Heavy pressure, worked it in pretty good. This is what it looked like after.
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This is after massaging it a bit with my finger.
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I was a bit unsure TBO.. So I tested again. This time I simply spread the compound around with no pressure and checked to see how it looked on the applicator prior to working it in with pressure.. Notice how it looks just like when I finished rubbing it in. This leads me to believe it's just compound, and not paint coming off.
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I buffed off with a clean portion of the applicator and there wasn't any noticeable white paint coming off.
My only dilemma now is that I think this test spot on the doorjamb may actually look a bit better than the exterior paint now
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I did several more test spots inside the doorjamb. Same process of spreading it then buffing it clean with another part of the applicator. No paint coming off. Here's the applicator when I was done.
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And after massaging it for just a few seconds with my finger it's nearly spotless. This makes my final call say this paint is not single stage. I could be wrong but it doesn't look like the typical single stage I've seen in the past.
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Btw this paint is very easy to work on. LC White polishing pad/Megs D151 worked ok, but M205 did a better job of not only cleaning it, but leaving it more complete as far as swirl removal. And for the hardest hit areas like the roof and the hood, I used LC Orange foam cutting pad + Ultimate Compound. Perfect results. Hope this helps.