× 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: New old stock oil
Posted to Technical Discussion Forum on 2/9/2020 2 Replies

I'm fairly certain the API ratings far exceed the requirements. Just happened to think, that old oil would have the coveted zinc additive for the flat tappets as well. Login to read more.

2 Replies Received (View Replies)