Octane and Altitude
I understand that less octane is required at higher altitude. My question is whether there is any problem when returning to lower elevation, ie possibility of pinging. Normally I have no problem with ...
Forum Discussion
facory wrote:
Octane is added to gas to slow the burning for higher compression engines so it doesn't pre-ignite and cause spark knock. It does not add power to an engine rated for 87 or 85 octane. That grade actually burns faster that 91 octane. If your TV is rated for 87 octane you don't have to do anything. The ECU does it all.
Exactly. If I had a dollar for evertime I've heard someone ask if their dirtbike will make more power running race gas... In theory an engine will make the most power running just above the minimum octane it requires to avoid detonation. Dumping higher octane fuel than what is needed you will only loose power due to the slower burn.
