I took my entire Charger engine compartment apart to zoopseal every single piece (intake manifold, valve covers, carb hat, blower, blower brackets, intercooler brackets, etc. etc.). Me and my wife spent two days rebuffing and cleaning every part, then applying the zoop seal. It flat out didnt work, we did it exactly as it said to, and the parts had a funky looking haze all over them. We had to take laquer thinner to every part and get the sealer off. We called and they didnt sound suprised, and sent me a check for the entire purchase price. I know others have had luck, but I'll never try that again. If you want it to shine like chrome, theres really not much you can do to protect it or keep from polishing it again, short of plating everything. You can have the stuff cleared with powdercoat or paint, but it will lose a little bit of shine, and if you scratch it, it will be obvious and it isnt easily repaired. The title of the thread sums it up!
Justin