I use straight 30 weight non detergent, changed the oil and filter last month. only has about 400 miles since. Havent seen any straight 40 weight around. Sure appreciate the input. Have been thinking I might put a larger displacement, newer model engine in if it turns out the bottom end is gone.


Keith and Kim
1942 Chev 3/4-Ton Flatdeck in the Gallery
Victoria, BC, Canada