I have used it for years, it works well, one way to prove it is to get the best fuel you can, no more than 1 ounce per 10 gallons. Less is more. To prove it use it in 2 tanks, then stop, your mileage is cut in half, happened to me. I also use xylene and toulene if you can find it, highest quality possible. Yes you can mix them, but small amounts are better, the combination of three cannot exceed 25% of the tanks capacity. So if you have 10 gallons 25% of that is 2.5 gallons. This is where I dont agree, that is too much. Just 1 ounce of this, one to two ounces of the other, thats it. It is cheap enough to try, the trick is you use it in one tank you wont see anything, two to three tanks it will appear.
"Real Skill requires no effort"
crouching tiger hidden dragon