This stuff really work? I work at O'Reilly's and we sell the packaged kit for $40 (before discount). My engine has around 77K so I figure it could use a good cleaning and zMax is supposed to be one of the best cleaners out. Any input would be appreciated, thanks.

 

one of the best cleaners out according to what, their box?


there are currently more than a few states with lawsuits filed against zmax because its nothing but a crappy organic oil.

 

Never mind, did a little research and found out their being sued by the FTC. According to the FTC zMax produces twice the carbon build up than just using regular motor oil without the additives. IMO I would not recommend this product to anyone. Most of their claims are false and they even fabricated reports. Although I will try to still sell zMax to people, gotta make my commission bonus.

Link to the FTC.

http://www.ftc.gov/opa/2001/02/zmax1.htm

 

Another testimany to the fact that the sure bet for your money is good old regular oil & filter changes and for added assurance use synthetic oil.

So far the Lucas oil stabilizer and the Z Max both have been suspect to be possibly detrimental to your engine.