Oh yeah, wanna bet ???
Just kiddin,.....the first 1/2 post kinda says I left out the word "won't".....as in "won't need hi octane
But yep, hi octane gas burns slower,.....or always use to anyway.
Charon wrote on 07/09/10 at 16:00:43:Routy, I beg to differ. At high altitudes the absolute pressure in the cylinder is lower because of the lower atmospheric pressure. This lower pressure also lowers temperatures. Thus, the octane requirement drops. I offer in evidence that gas sold in Denver and Cheyenne is usually 85 octane instead of the 87 common at lower altitudes.
Bill, I would like to see some evidence of your claim that higher octane gas burns slower or cooler. Can you cite a source?