Meg's cleaner wax is a pretty difficult to remove I must say. As you will learn from my "How to Detail a Crossfire" thread, wash, clay bar, POLISH, and wax. ZAINO, P21S, Collinite, Ultima, Optimum, Poorboy's, etc...are all good waxes. But, preparing the car before wax is what will get you the ultimate finish. For example, a before and after of a truck I detailed recently. This beast required a 4-step polish to look this good, plus a rotary buffer:
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Of course, if you are in the NY tri-state area, I'd love to detail your Crossfire. I miss mine. It went away recently because the lease has expired