Does HEMI need premium gas?
Does HEMI need premium gas? The SRT8 high-performance Hemi requires 91 octane fuel only. This higher compression causes the engine to require a higher octane fuel in order to produce its maximum power and avoid the problems with knocking and pinging that are associated with high-compression engines if fueled with low octane gasoline. What kind of gas does a Dodge Ram 1500 use? The contact owns a 2004 Dodge Ram 1500. The contact stated that when refueling the vehicle, the vehicle would only allow him to add one dollar worth of gas at a time in order to prevent the...