Ok so... I'm a very experienced welder myself. Yes, cast iron can be welded reliably... If done properly. I have welded many cast gear boxes, several other small cast parts, and ONE exhaust manifold. Never had a cast weld fail, EXCEPT the exhaust manifold... I did it 3 seperate times, on the same manifold. Each time it eventually cracked again.
My advise? Replace it with new.
REPAIR HELP PLEASE!!!
Discussion in 'Ask An Owner Operator' started by Neverquittrucking228, Oct 14, 2022.
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Cattleman is correct, welds on exhaust manifold is tough but, we used to use stainless 308 rods and a particular way to repair . You can’t get in a hurry fooling with cast . Now patco has rods especially for cast however, 5 lbs will cost as much as a good used one.
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There is a certain Rod that you use to weld cast iron but honestly for what it would take to find someone that can do that that knows how to do it that has the right rods for it...
And as others have said where that repair has to be done it's not likely that it will hold up.
Just buy a used manifold and you'll be way ahead.Neverquittrucking228 and chrismcallister34 Thank this. -
Last edited: Nov 2, 2022
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Update I’m still driving it as is until I can find someone that can fix it for a decent price bc with these rates I can’t afford the dealership
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Last edited: Nov 11, 2022
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Last edited: Nov 11, 2022
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