Found some discouraging data on not only them but aftermarket additives as well. Google "zmax oil treatment"
http://www.texassynthetics.com/aftermarketmore.htm http://www.epinions.com/review/zMAX_Micro_Lubricant/content_170841181828 http://www.ftc.gov/opa/2001/02/zmax1.shtm Many on the Corvette Forum (http://forums.corvetteforum.com/c5-general/1872104-zmax-additive.html) consider additives 'snake oil' and recommend sticking with GM's policy of no engine oil additives at all. Never used it myself but even if the mileage savings were valid, the cost of the stuff offsets any mileage increase. Caveat Emptor Dale _____ From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Sunday, February 15, 2009 8:24 AM To: [email protected] Subject: [Chevelle-list] zMax Lubricants Anybody have thoughts or experience with zMax products? Web site says they have products for engine, transmission and fuel systems. I have seen a lot of advertising lately and am wondering about their products. Thanks, Jerry Wells '70 SS 454 _____ A Good Credit Score is 700 or Above. See <http://pr.atwola.com/promoclk/100126575x1218822736x1201267884/aol?redir=htt p://www.freecreditreport.com/pm/default.aspx?sc=668072%26hmpgID=62%26bcd=feb emailfooterNO62> yours in just 2 easy steps!
