Re: Gas grade for 3.0 duratec
You can use any grade of fuel you want, but keep in mind that using a grade higher than 87 is just wasting your money. The engine was designed for 87. You may notice (as I have) with more modern FI engines that the engine will use more fuel with higher octane gas. Not much more but it is noticeable.
'11 Ram Quad Cab 4x4 SXT 5.7L HEMI (stock); 48,500m
'06 Pontiac G6 GT 3.5L 220hp; 64,000m
'12 Chrysler 200 Limited 3.6L 283hp; 28,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!