Inliners International Forums General Discussion Hi Performance breaking in a performance cam

Note the following site:

http://www.oldgmctrucks.com/photos/FlatTappetCAmTech.htm

Both Shell Rotella and Chevron Delo 400 are excellent truck oils with very high quality base stocks, with greater anti-wear additive packages, and and higher initial Base Number (generally above 10.0) for longer oil life. Note also that 15W40 viscosity oils are almost always truck oils.