I'm fairly certain that these are hydraulic lifters. However, I would like some confirmation before I start adjusting the valves. I plan on going to a show at the Jersey show, 100 miles away, and I don't want to hurt this engine. This old truck has a top speed of about 55 or so.
Last edited by Gary P.; 06/13/20222:25 PM.
1946 1/2 ton Chevy Pickup 1954 235 cu in 3 speed on the floor