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Originally Posted by Daytona Dek
Along a similar vein what is the best method to brighten up an alloy inlet manifold without taking off and polishing. Wire wool or mag polish will be very hard work. Is there a chemical alternative? Would denatured alcohol work? BTW what is it?
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Denatured alcohol is my go to first solvent. It's much less harsh than petroleum solvents like paint thinner. It also (at least how I've used it) never affected color, so if you spill paint on carpet denatured alcohol will help remove it.
What is it? The denatured part is some chemical that is added to our favorite beverage, ethanol, to make it "taste bad". Ie, it's everclear with something to make it taste bad, smell bad, or nauseating. The federal government actually regulates it (since it is alcohol sold without tax) so there is a list of formulas.. From experience, some different brands can leave a "haze" on highly polished surfaces like glass/mirrors so if you want to reduce that just use everclear.
PS. Your application doesn't sound to me like DA would work. But you never know. Standard solvent disclaimers apply: Try it on a small area that is hidden from view.