318 Engine Oil

I also use Amsoil in everything I have - 2004 Dodge 3500 diesel, Dart race car and my every day Dakota. Amsoil has a wide variety of high zinc oils to choose from for your application:

[ame]http://www.amsoil.com/techservicesbulletin/motoroil/tsb%20mo-2007-08-08%20flat%20tappet.pdf[/ame]

Amsoil source & additional info: http://www.thelubepage.com/