Stainless Exhaust Polished

[Flying EMT]

This thread reminds me of a letter to a motorcycle tech page asking how to keep bike exhaust shiny. The editors replied " don't start the Bike"

[ColoCardinal]

A mild acid solution will remove blue discoloration from the pipes. If I recall, we used to use a mild acetal acid solution to remove most of the blue and some of the brown after welding stainless steel. Perhaps vinegar would be strong enough to do the same. Motorcycle shops sell compounds such as Dyno Kote and Blue Shield the help (slightly) in the reoccurrence.
It's worth a try I suppose. I'm going to let mine turn brown!

[roee]

Originally Posted by DonFromTX

I can only answer part of the question. I had my entire exhaust as well as my engine mounts polished, they look wonderful.
I have no idea how long the polish will last. Sure looks great while building though!

About the engine mount, is it stainless? I assumed it was chromoly (at least on the -7). If chromoly, I would be concerned with corrosion setting in over time if the powder coating is removed.

[deek]

Not an RV'er but have 2,800 hours on my 321 SS LongEZ exhaust. I work in a shop that does metal polishing so have pulled the system off a couple of times and within 200 hours it looks muddled brown again. The only advantage to re-polishing every so often is inspection for hairline cracks is enhanced.

dk