Re: F-20 Cracked Block - - Solutions other than replacment?

Posted by TomA on October 12, 2008 at 14:36:28 from (76.9.72.162):

In Reply to: F-20 Cracked Block - - Solutions other than replacment? posted by Pete in Holland, MI on October 12, 2008 at 14:08:41:

I think if you try to weld it, it will still seep.
JB Weld has worked well for me. I fixed many freexe cracks on a small Cat and it does not leak a drop and it seemed as hard as the cast when I ground it to finish it. Vee it out real good just like you were going to weld it. I used 2 coats and let it cure a week in hot weather. I have seen Cat engines plated behind the injection pump where thay are known to crack, that works too. Remember it is only the water jacket and the casting is likely quite thin. I think an attept at welding can cause more harm than good.

Just my opinion,

Tom

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