Still, this repair worked. While this serves as proof of the feasibility of repairing an engine block with JB Weld, there is one ultimate test of JB Weld epoxy: build an engine out of it.

Can't weld your cracked block? Try stitching it with this trick that seems almost like magic.

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.

This Keith Black Hemi block originally ran in Chris “The Golden Greek” Karamesines’ Top Fuel Dragster, and although it’s cracked in many places, it can be fixed to run again.

A crack in your engine block is a pretty intimidating problem. Here's how they happen, what you can do to fix it, and how to avoid the issue in the first place.