Welding on engine block?
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Elder User
Joined: Feb 2004
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From: Longvalley, SD
Welding on engine block?
I have a friend that broke off a peice of his 429 engine block...it is located at the passenger side bottom bellhousing to block bolt hole. The threaded hole itself is not broken but it did break a piece about 2 inches clean off of the block...my question is how can we repair this? Welding, Brazing?
Tuned
Joined: Sep 2003
Posts: 483
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Most likely arc welding with nickel will produce the best results for that type of repair. Some preheat and post stress relief would be in order. Its not really a DIY repair if you want it done right. Warm preheat, not hot and small welds depending on thickness with peening. I like to run nickel on AC to reduce arc blow. Current settings are different than steel. The tendency is to run too hot. The electrodes tend to operate similar to low hydrogen. If this is a valuable block you might get some pro help.
Tuned
Joined: Sep 2003
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Thread Starter
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Elder User
Joined: Feb 2004
Posts: 851
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From: Longvalley, SD
The engine is the pickup...but you can get at the spot quite easily...will they be able to do it without taking the motor out?
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Post Fiend
Joined: Jun 2003
Posts: 5,643
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From: NE Texas
If the welder you're taking it to is good it won't be a problem.
The old saying, "Head like a grubworm and butt like a bee, oughta weld anything from the crack of dawn to the break of day" should apply.
The old saying, "Head like a grubworm and butt like a bee, oughta weld anything from the crack of dawn to the break of day" should apply.
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