Originally Posted by mrphotoman

I would not use that toluene in your car, it is hard on all the rubber seals, o2 sensors etc.

I use klotz octane booster, it is $56/gallon (you can get 5 gallon cans cheaper) and for every 1oz of octane booster per gallon of gas it raises your octane by 2.5 numbers (93 octane to 95.5 octane) and it is actually SAFE to use unlike the toluene.