Powder coat is the best if it’s done correctly. The shop I found here in Cali is really expensive but it’s prep work is immaculate. I offered to pay cash and that knocked the price down considerably. On my other cars, the keepers, I found that powder coating is still susceptible to environmental and petroleum fallout, just not as much as regular paint.
I discovered that a good prep job followed by a good, healthy coat of powder is good. After that I have them apply another coat of clear or matte powder to protect the important part you already invested in. That second coat enables you to wash off everything with soap and water. I figure I’ll get about 10 years out of the callipers done this way and more from the engine parts that aren’t next to the rims kicking crap at them every day.
The expense is offset by time. It’s like having a Teflon pan seal that allows a 100% back to new finish with soap and water. I hate cleaning rims and hate cleaning/painting callipers more. This is the cure keeping flat black flat and the calliper colour unfaded and gloss new.
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