How Do You Repair A Cracked Engine Block?
What do you do if your engine block cracks? Should you attempt to fix it? How do you go about fixing it? I’ll attempt to help you answer these questions. First, determine if you should repair your engine block. Is it easily replaceable? If so, take that route. If you cannot easily get a replacement engine block, you can consider repairing your cracked block. In this article I am going to explain how to repair a cracked cast iron engine block using a Lock-n-Stitch kit from www.lock-n-stitch.com Step 1 Drill the holes for the stitching pins. This is done with the drill spacing fixture and your drill. The holes are drilled along the length of the crack. Note that the spacing fixture will leave space between each hole. Step 2 Spotface the holes to accept the shoulders of the stitching pins. Be careful not to spotface too deep – make sure you know how thick the casting walls of your block are and keep in mind that you need at least four threads in the casting after tapping. Step 3 Tap the h
