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#1
10-25-2003, 01:24 AM
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Re: Cracked blocks....fixable?
Had the same problem with a 396 L78 block a while back.
A friend, who is a tool and die maker, drilled a hole at each end of the crack. Using a die grinder, he cut a 'V' groove along it from hole to hole. He heated it up and then 'stick' welded it using the proper rod for cast iron. The block/assembled motor is still running strong today.
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Craig S. "I saw Elvis At 1000 Feet" John Force. 
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#2
10-25-2003, 05:48 AM
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Re: Cracked blocks....fixable?
Doing the same with with a small block. V it out at the cracks and weld it. It is cracked at a starter bolt hole. Works good! [img]/ubbthreads/images/graemlins/biggthumpup.gif[/img]
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#3
10-25-2003, 03:59 PM
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Re: Cracked blocks....fixable?
I've welded cast iron with nickle rod in reverse polarity. That is how I welded the axle tubes to the housing in my 65. I'm told the real key is to heat the iron, weld it, and lower the temp very slowly till it cools. I did not do this, but my welds are still holding.
Paul
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Paul III 
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