Frenchy
Well-Known Member
- First Name
- Chris
- Joined
- Mar 15, 2020
- Threads
- 98
- Messages
- 6,143
- Reaction score
- 8,292
- Location
- Elizabeth, Colorado
- Vehicle(s)
- 2019 Ford Ranger, 2019 cargo van, soon to be 1993
- Occupation
- Crown Forklift Technician
Hence why I said you have less oxygen.... Why do you have less oxygen? Simply put it isnt as dense. Now does this mean you can run a lower octane? NOPE!! ONLY USE THE MINIMUM THAT THE VEHICLE MANFACTURER WILL ALLOW AS A MINIMUM!!! IF STATED BY MANUFACTURER THEN A HIGHER OCTANE WILL BE BENEFICIAL TO THE VEHICLE OF IF A TYNE IS INSTALLED!!!Nope. Proportion of oxygen (barring local variation) is the same at sea level as at the top of the mountain--about 20%. It's just that at sea level it's about 14psi and at 10k feet it's at 10psi.
You have the same volume of air, but since it's at a lower pressure you have fewer molecules of air, including fewer molecules of O2.
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