Removing old lettering??
 

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QUESTION ? getting painted lettering off old race car / does the oven cleaner work or myth .Then second how is a good way to clean old lexan windows (like from stickers and nos purge spay) .Thank you for the input if any

I would have someone do it that has removed them, I would use a solvent try it in a not so noticeable spot see if it works if it does then great, after its all off would wheel it out and put a nice coat of wax on it.

As for the lexon a wheel with some ultrafina or swirl remover should work as well. Just gotta be careful not to melt the windows.

Thats how i would do it. Hope this helps.

If it is vinyl lettering, you can use eraser wheel without damaging the paint.