subterFUSE

I've search a little bit, and not seen anything specifically on the current gen S6.

A Chevron gas station near my home is selling unbranded 90 Octane ethanol-free gasoline. I know that the minimum recommended for my car is 91.

What is everyone's opinion on whether this is safe to try using? Should I get some octane booster and try it?

What is a good brand of octane booster? I have never used this before. How much booster would it take to get 90 octane boosted to 91?

ecpChris

I wouldn't run 90 octane in my car but if you are dead set then use either the NOS brand or Torco. I test fuels and recently did a comparison for an additive company. The NOS and Torco performed the best but they also use the most MMT (which isn't great for repeated use in your engine)

subterFUSE

Thanks for the reply.

I think I will pass on trying 90 Octane.


Going to speak with the Shell station owner down the street and see if he is planning to bring in non-ethanol gas. My state just recently lifted the requirements for ethanol blends.