Is it safe to use acetone in your car?

If it drips onto your paint, it’s bye bye paint job. Also, I don’t remember exactly, but I think it might tear up hoses and injectors (especially if you have an older car—but doublecheck that fact).

You might be better off aero-modding. See aerocivic.com for an example.

P.S. I spent the better part of a day researching this, including blog posts by guys who said they’d try it and report the results, and found no evidence of positive outcomes.

Why don’t folks ever check things out with Snopes?

Everything on that video is BULLSHIT!!! ABSOLUTELY!!!

It can damage your gaskets and seals.
It increases the level of pollution your car spews.
It isn’t proven to increase milege.
It is much more expense than gasoline.

@Darwin people stopped taking Snopes seriously when they couldn’t get their Faux News Propaganda verified that Obama isn’t really a US citizen. Well, at least the Republicans don’t use Snopes.

Well considering that the Mythbusters busted it and proved it has negative effects I’d say no. But that doesnt mean that all his stuff is BS.

The more important question might be is it safe for your health. By the way, you might not be able to pass a breathalyzer test after inhaling the fumes. Seriously.

Don’t know about a cars engine, but winos drink it all the time and they are still living.