I have read on here that you may need to drill a hole at each end of the crack to prevent further cracking. Hopefully others will chime in with the details on this.

You can make the JB Weld match the texture of the block by pressing a piece of sandpaper against the JB Weld once it is applied to the block.

Phil

Never hold your farts in. They travel up your spine and into your brain...that is where crappy ideas come from.