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Old June 2nd, 2013, 08:26 PM   #11
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I've welded three blocks while in the truck. I used a high nickel content rod. I never did any preheating. I did drill small holes at the ends of the crack and all has been fine. They all are on the road still. One was in father in laws dodge. His cummins had a three inch crack just above the oil pan. That one was a pita due to oil seeping thru the crack. Was very hard to get it clean enough to weld it. If your not sure about welding it I'll help you out if need be.
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