Quote:
Originally Posted by N2Cobras
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.
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Not quite. Rubbing alcohol has less alcohol than denatured alcohol. Rubbing is typically (from my bottle) 70% isopropyl. DA is from ethanol. They are not the same chemical. Pure isopropyl cannot be consumed. Pure ethanol is sold under the brand name everclear which can only claim to be 99% (198 proof) because the instant you open the bottle it starts to absorb water molecules.
Also as a solvent since RA is only 70% alcohol it will leave more of a hazy residue.
If you're looking for it and can't find it then look for fuel for camper alcohol stoves. It's the same thing. My local Home Depot had DA in 1 gallon but no quarts (not by design, just a temporary stocking issue). They had quart alcohol stove fuel...