Originally posted by Power Wagon
Unless within the last 2 years, the others have changed, I saw the benchmark testing of all the major brands, and nothing even came close to the Stanadyne Performance Formula.
It is the only one created by a pump and injector manufacturer, and it is the only one endorsed by equipment manufacturers. John Deere used to, but now sells it under their own name. GM, and Ford both did years ago.
It is the ONLY one I will ever buy. Some of them contain solvent, alcohol, or other nasty stuff, and are not good for your equipment. But, I don't recall which is which...