Quote:
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 isopropyl alcohol aka rubbing alcohol. You can try with something easy like a mild chemical then progress to a stronger chemical and if that doesn't work, a lot of elbow grease and time with steel wool. I agree, it will be a chore to clean it up with the manifold on the engine and to get a uniform appearance. Taking it off as a winter task might be your best choice.
The OP didn't state what they were trying to clean, top of valve covers is one thing, other components with more nooks and crannies are more challenging.