I think I'm going to go with a diesel rated 15W40 with a shot of ZDDP additive, since the diesel oils recently reduced their additive levels. Use to be about 2000 ppm of zinc and now under 1000.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
