× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Oil additive increases oil consumption - by what mechanism?
Posted to Technical Discussion Forum on 5/23/2012

I believe that on old engines varnish has built up in the ring area increasing the ring sealing. Additives are very detergent and scrub the varnish away. Login to read more.