Denaturalized Alchohol
 

so i pour a gallon of this stuff into the gas tank correct, anything i need to watch out for? should i have a half a tank of gas and then add the remaining to fill it up with Denatured Alchohol? how should it be done, gotta pass aircare!

If you're trying pass emissions you add a gallon to a quarter tank of gas....It didn't really do anything for me, but maybe you'll have better luck. Make sure you add about a half tank of gas after you go through emissions to dilute the alcohol.

emissions test ha ha that why i love living in mississippi where they dont care about that kinda stuff

Can't adding denatured alcohol ruin your engine if your gas tank is pretty filthy from all the shit that's in fuel?

make sure you don't run the car hard with this mixture. it lowered my hco iirc, but raised my nox readings. the easiest way to pass emissions for me was to tune the car to run lean in the rpms the test was taking place

Denatured alc can also wear out your fuel lines if you use it too frequently...

~CYD

Replace the cat and forget the alcohol.
https://www.rx7club.com/3rd-generation-specific-1993-2002-16/air-care-issues-664085/