Carlos, love this.
My sketch started as a spoof for Stan, but I think I like your design better for something I'd want on my car. The 'clown car' joke is something we know around here, but I don't know how much it connects with car dudes in general.
I think something that's as simple as possible but that mimics the PCA badge is mo better.
Along those lines, I think I like your last design, but with colors that are closer to the PCA badge - something like this, maybe: