Freeze plugs are driven into pre-existing holes in the engine block. And if they’re forced in too violently, or if the holes are aggressively sanded out, the holes can become too big. And if ...

Freeze plugs are driven into pre-existing holes in the engine block. And if they're forced in too violently, or if the holes are aggressively sanded out, the holes can become too big.

If you have your freeze plugs in place, it's also a good idea to pressure test the block before beginning the big projects.

Freeze plugs are driven into pre-existing holes in the engine block. And if they’re forced in too violently, or if the holes are aggressively sanded out, the holes can become too big.

Dear Car Talk: Twenty-two years ago, I bought a completely disassembled 1953 MG TD. The same car your late brother used to own, and wax poetic about (ad nauseum, as ...