If one plug has rotted through, I would consider pulling the engine and replacing all of them, since the rest of them are in about the same condition. They would also be easier to install properly if the engine was out of the truck,
Scott

Last edited by 48bigtrucks; 02/24/2013 9:40 AM.
Scott Ward

2 1948 1.5-ton Loadmasters
The red one and The snow pusher
1 1950 3100
1 1955.1 Chevy 6500
1 1954 Chevy 6500 2-Ton
1 1955 1st Series COE 5700
1 1963 K20 (454)
1 1964 C10 (350)
1 1951 1.5-ton Dump Truck
1953 and a 1956 Ford F800

Raising a teenager is like trying to nail Jello to a tree!