zMAX:

The Federal Trade Commission Charges Speedway Motorsports and Oil-Chem Subsidiary with unsubstantiated claims of their zMAX product. See the FTC's article here: http://www.ftc.gov/opa/2001/02/zmax1.htm

Favorite quote from above article related to independent tests "[P]erformance claims actually demonstrated that motor oil treated with zMax produced more than twice as much bearing corrosion than motor oil alone, and that the three different products - an engine additive, a fuel line additive and a transmission additive - were all actually tinted mineral oil." (FTC, p.1)

Also they advertise as FAA (Federal Aviation Administration) approved. But If you notice Avblend is the approved additive not zMAX. Just because there may be similar ingredients doesn't mean they are the same. Also Aircraft recip engines still run on leaded fuels, are mostly air cooled, and operate at altitude. That doesn't relate well to unleaded oxygenated fuel burning, liquid cooled engines running at about sea level very well. My point is the FAA approval is misleading and is a big stretch to even consider.

When will people learn there is no free ride. A bottle of potion won't solve your motor vehicle problems. In this case the help your looking for isn't found and instead your just do more damage.

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