Best Engine Oil for Chevy Silverado 2500 and 3500

Best Engine Oil for Chevy Silverado 2500 and 3500

What’s the best engine oil for the Chevy Silverado 2500 and 3500?  These trucks are amazing and have a big reputation and a large following.  They’re commonly long running and hard working, so better to use the best 100% synthetic engine oil to help keep ’em that way.  Doesn’t matter if it’s the Duramax Diesel…