Quote Originally Posted by daZenfmeister
What is the purpose of getting high octane gas? I've always wondered does it improve performance of regular cars? What exactly does it do?

For fuel to combust it needs an Oxygen level so it can ignite..
Basicly theres More Oxygen molicules in hi Octain fuel so it firers Harder at the stroke..

BTW..regular unleded petrol here in Australia is $1.20 per litre exprcted to hit $1.60 soon..