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1972 Ford F100 302 Small Block Engine Permatex Brass Freeze Plug

To prevent antifreeze straying from the water jackets into oil galleys and other exposed areas, we knocked out the freeze plugs (also called soft plugs or expansion plugs) to drain the antifreeze. Reinstallation included coating new brass freeze plugs with Permatex and then drifting them in with a 3/8-inch-deep socket that fit the inside diameter snugly.
1972 Ford F100 302 Small Block Engine Build Off - V-8 Juice

 To prevent antifreeze straying from the water jackets into oil galleys and other exposed areas, we knocked out the freeze plugs (also called soft plugs or expansion plugs) to drain the antifreeze. Reinstallation included coating new brass freeze plugs with Permatex and then drifting them in with a 3/8-inch-deep socket that fit the inside diameter snugly.  View Related Article

 

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