Over the past week I have had the privilege of detailing a friends Porsche Boxster which he recently bought used - fullfilling his dream of porsche ownership. The car was fairly swirled and had been washed with sponges all its life, and had quite a bit of sap contamination. Heres the results of 3 days at it with the tfr, clay, ultimate compound on the portercable, poorboys black hole, topped with collinite: