Repairing a Cracked Cylinder From time to time during restoration a cracked cylinder may be discovered which has to be handled prior restoration. If you fail to winterise your engine correctly and you live in a freezing climate you may also need this remedy.
Today repairing a crack is actually very easy.
Go to the hardware store and purchase some JB Weld or similar epoxy paste containing steel. Prepare the crack by drilling two small holes to arrest the crack. Tap the holes and screw in an appropriate sized screw. Cut and file the screw flush both inside and outside the cylinder. Using a drill clean the crack inside and out.