How to get better fuel than Optimax

[StuartT]

I picked this up from VWVortex,

http://www.elektro.com/~audi/audi/toluene.html

Sounds a bit dodgy! Not sure about the 73psi boost of F1 engines (perhaps thats why they exploded alot!)

Note that the yanks have a different octane rating to us, I think their 91 is our 95.