I need to know what the axle housing is made of, cast iron or steel since I have to have the u backet re welded.
On local guy says they are made of steel and another says cast iron.
Its a 1970 if that matters.
So, is it steel or cast iron ?
The center is cast nodular iron, the same thing cast crankshafts are made of, and any welding that you do on it will change the heat treatment in it. You need a very experienced welder to work on it. The axle tubes are mild steel and can be easily welded.
'69 RS/SS396 pro street
High Performance Drive Train Parts And Service www.lubedealer.com/biggearhead
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