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 ...
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carringb wrote:
If I'm towing, I make sure I fill up with 87 before heading back downhill.
You don't need 87 octane going down hill. You barely need gas. :)
