Quote:
Originally Posted by kenny rogers
Actually, I was just talking to someone about higher (and therefore colder) elevations such as Colorado... I was told they actually sell less octane gas (85 instead of 87 as "regular). However, that has more to do with the altitude and not the tempurature.
Keep premium in it, you just get more horsepower out of colder air  |
Higher elevation = less oxygen. You don't need the same octane as you do where there's more oxygen. I'd still be careful with a FI car, however, since you're cramming more oxygen into the cylinder with each intake charge.