I use Rotella 15W-40 in my '49 Chevrolet 3100 with a 216 cu.in. 8-10psi at idle and 15-18 on acceleration. Like the Rotella because of the zinc level and other additives that help protect these flat tappet engines. thumbs_up

Tim


"Pay attention to the details! It ALWAYS pays off."

1949 Chevrolet 3100 Series 1/2 ton Pickup
1964 Chevrolet C10 (Ol' Yella) (SOLD)
1958 Chevrolet Biscayne 2 door (SOLD)
1970 VW Beetle