× 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: 1938 Briggs and Stratton
Posted to Castrol Forum on 5/24/2019

A modern engine oil would be over formulated for an engine manufactured in 1938. The engine oils at this time contained very small amounts of additives or no additives. Accordingly, there are two Castrol products I would recommend for this application:

1. Ca... Login to read more.