Yeah the powder coat is not good. I had done the same as you Chris on the front part of the chassis but when I got to strip out the back it would have taken weeks to bottom it out.
Interestingly the powder coat company I am going to use who are local to me say in their spec they shot blast, chemicaly clean, paint with zinc etch primer and then powder coat, they have a good reputation and do chassis work for Ginetta.
I can't see any sign of a zinc primer coat or any other type of primer on the original powder coat, it looks like the powder coat is straight onto the metal.
Maybe thats the problem?
John
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