Re: Hole in front of Engine block
It sounds like the water jacket is starting to rust thru. If you could, post some pictures, it would help.
If the metal is too thin where the hole is, stitch welding probably will not work. You can clean the area real good and get the surface down to clean cast iron. Make a patch to cover the area out of 1/16 inch sheet metal. allow a 1/2 to 1 inch overlap from the crack. Clean the block and the patch until it is bright metal. Absolutely no oil, grease or rust. Use J B Weld to set the patch in place and apply more J B Weld over the patch. Let it set up well and fill it up with water and see what happens. If it holds, put some coolant in it or water treatment that will prevent rust and carry on. It may last several years and then you may have to do it again. It sounds like to fix it right, you may have to find another block if in fact it is badly rusted water jackets that are getting thin.
My opinion.
Chris W.
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