I am fixing a long crack in an old block with JB Weld. I plan to drill holes at each end of the crack (actually just slightly beyond each end). My question is what size bit would you suggest for the drill holes. <br /><br />Thanks
So... Does JBWeld work on a cracked block? Lets hear success and failure stories and alternatives. 1964 Mercruiser 110 2.5L 4 inch crack (still runs fine!)