New Chevy 6.0L gasser -- Octane?
Just bought the new Chevy 2500HD with 6.0L gas ... and wondering what you guys run for octane. And why you choose it? -- The 'why' is important too ... because it's not just about mpg, it's about ...
Forum Discussion
Again for little net cost run three back to back tanks of premium gas measuring the results any way you wish for the answer for any vehicle.
The old 1992 454 TBI in the MH makes more power on 91 vs 87 that the manual states to use. One plus for using premium grade in a dirty fuel system and engine deposits is the greater concentration of detergents can enhance performance.
The old 1992 454 TBI in the MH makes more power on 91 vs 87 that the manual states to use. One plus for using premium grade in a dirty fuel system and engine deposits is the greater concentration of detergents can enhance performance.
