> I recently saw the ad on tv for a product called Z-Max. I'm wondering if > anyone has used it If simple additives could help the longevity of a cars mechanical parts and there by reduce warranty costs for manufacturers, they'd be installed at the factory. Don't kid yorself, warranty cost eat heavily into profits. Many of these products don't harm things but they don't do much of anything. Spend the money on top grade lubricants instead. Bruce Benson ------------------------------------------------------------------------ To address comments privately to the moderating team, please address moderator@xxxx