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Welding question



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Old 09-21-2006, 08:27 PM   #1
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Welding question

I have a dana 300 with a hairline crack inthe case. ANy suggestions on welding it?
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Old 09-21-2006, 08:36 PM   #2
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hmm

A rod with high nickle has always worked for me. I get the area to be welded very hot with a torch 1st. I feel the problem with a t-case like that is going to be with it trying to expand in an area where you do not want distortion. Maybe you could gouge the area out with a grinder and do a weave bead for extra strength. No self respecting wheeler is going to want to hear this but, I once took an NP 203 and cut the adapter in half then took a NV435 granny 4 speed tranny out of a 4x4 and cut that tranny adapter the right length and welded the 2 of them together. Took a lot of aligning and a lot of patience but it held for many years of rough wheeling. Hope you get it fixed. Good luck with it.
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Old 09-22-2006, 12:13 PM   #3
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Had a 350 chevy block crack around the stater bolt holes as all of them do. Ground it smooth, cleaned it real good, heated it, and welded it up with a mig gun. Solved all my starter problems, and am still using the motor today. Oh yeah, never even pulled the motor out of the truck...lol, and mine worked so good and has lasted so long, I have another one to do this weekend. Also welded braket to a 205 case the same way. Cleanliness and heat are the main keys.
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Old 09-22-2006, 05:34 PM   #4
 
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use a nickle 99 rod and do as goat said and heat the case
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Old 09-25-2006, 06:50 PM   #5
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thanks guys
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Old 09-25-2006, 10:48 PM   #6
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Grind out the crack to where you have a nice V-groove in it. then go to your local welding shop, and get the proper welding sticks for cast iron. Weld away filling in the crack with a side to side C motion. You shouldn't have a prob. after that.
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Old 09-26-2006, 03:14 PM   #7
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will do
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