Have an oops moment putting an engine together? At least you're not running for office. Here's how to repair a cracked engine block. This month for Hands on, we put some repair to a Cracked Engine ...

We show you how to do your own engine block repair on our own cracked 351 Cleveland, with help from Josh Sprinkle of Miller Electric.

By the time you notice a severe engine block crack, it will usually require a full replacement. Here are the signs and symptoms to look out for beforehand.

A machinist fixes a massive crack in an old cast iron engine block with a drill, a handful of bolts, and a tube of red loc-tite.