Not every additive claims to boost cetane levels, and only Hot Shot’s, Power Service Diesel, Amsoil, Peak, and Opti-Lube seemed to make any difference in fuel burn. Finally, and maybe most ...
This additive prevents fuel from breaking down and gelling in ... and 32 ounces for 40 gallons. Amsoil stabilizer is at the same measurement, recommending 1 ounce per 2.5 gallons of fuel.