Am in the process of rebuilding a '55 235. Removed pistons today, two of them had 2 rings in one groove (second from top). They had a "normal" size ring along with a very thin ring in the same groove. Anyone familiar with this? Thank you, Scott


1954 Chevrolet 4400 1.5-Ton Dump Truck
1946 Chevy 1.5-Ton Dump Truck
1944 Chevrolet 1.5 Ton Dump Truck
1955 4400 Dump Truck
1951 2 Ton Stake Body