Fixing the Challenges of Flat-Tappet Cams in Basic Automotive Engines Posted on January 20, 2016January 20, 2016 by Costa Oil - 10 Minute Oil Change One of many massive considerations amongst basic automotive house owners in recent times has been the abundance of flat-tappet camshaft failures many attribute to the discount of zinc and phosphorus in immediately’s oil formulations. …read more Sending User Review 0 (0 votes)