octane rating and engine performance
In Texas, the minimum octane rating is 87. On a recent trip to Glacier, I noticed a lot of the fuel in states like CO, WY and MT, the octane was 85, and you had to buy the mid-grade to get 87 and abov...
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If you buy it at a high elevation and drive down to a lower elevation you will get worse mileage and poorer performance.
My son currently lives in the Amarillo area. It's close to 4000' there and they sell 85. I fill up with 85 before I leave to return to the Houston area, 50' elevation. I'll stop in Childress, 1800', to top off the tank with 87 and that gets me home without a problem.
My son currently lives in the Amarillo area. It's close to 4000' there and they sell 85. I fill up with 85 before I leave to return to the Houston area, 50' elevation. I'll stop in Childress, 1800', to top off the tank with 87 and that gets me home without a problem.
