Premium Fuel?
In my area we have regular fuel 87 octane with ethyenol and premium 92 octane without ethyenol. My truck (2007 Chevy 2500HD 6.0L) does not NEED prem. fuel. Is there any issues running prem. fuel? I kn...
Forum Discussion
Hannibal wrote:
Octane is resistance to ignition. There's no benefit to using it in an engine that doesn't need it for high compression combustion chambers. Since it's harder to ignite, it can quiet detonation (pre-ignition) in engines that are prone to detonation.
Excellent explanation of the reason for using higher octane. Most vehicles can run on 87 octane (regular) these days. Even newer high performance engines with high compression engines will run on regular in a pinch, as the on board computer compensates for the lower octane.
As for you guys who claim they buy ethanol free gas, just beware that it is not always a requirement to reveal a fuel contains ethanol if it is 10 percent or less. A lack of an E10 sticker on the pump doesn't always mean ethanol free.
If anyone truly believes there was ever a 200 mpg carburetor that the oil companies bought out, please contact me. I have a bridge in Brooklyn I'd like to sell!
