New tow vehicle!!
For the last several years I've used my '03 Tahoe to tow our 7K# Toyhauler almost exclusively through the Colorado Rockies. It did it but wasn't happy about it. It was reliable and comfortable for o...
Forum Discussion
Grit dog wrote:2001400ex wrote:
Fuel injected vehicles need 87 octane. The mountains of the west typically only have 85 or 85.5 for the regular gas. Must use mid grade in these areas.
Like all fuel injected vehicles, or just some? Which ones? Lol
Do you even know why lower octane is offered at high altitude?
My understanding is all fuel injected vehicles need at a minimum 87 octane, which should be in the manual. Of course some require 91.
If you know, then educate us I guess. My understanding is that lower octane cause the thinner air, but I'm not the expert there.
