× 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: Will lack of zinc in oil destroy older engines?
Posted to Technical Theory Forum on 9/13/2007 2 Replies

[...trimmed text...]

Absolutely!!!!!!!

Many Saab dealers apparently assume that because a synthetic oil is required (in order) to meet LL-A-25, any synthetic of the proper SAE viscosity will meet LL-A-25.

or:

Many ... Login to read more.

2 Replies Received (View Replies)