[Capt Kirk]

When I was driving semi, the boss would buy gallons of aluminum brightener. I think it was commercial stuff. Spray it on and let it soak for a bit and then rinse off. It left a clean mat aluminum finish which was a good start for me. I liked my truck to have polished aluminum so after the acid treatment I went to town with the buffer and rubbing compound...spent hours! I once did the grill on my Pete and didn't want to spray so I rubbed it in with unprotected hands...big mistake!!! Wear gloves and eye protection...the stuff is nasty but does a good job. If you like a mat aluminum finish then you're done...if you like polished then you're on your way.