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cast steel or cast iron?

cast steel or cast iron?

lowcountry

Jeeper
Posts
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Thanks
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Location
Moncure, NC
Vehicle(s)
'83 CJ7, 258, D30, amc 20, D300, 4sp, '70 Z28, LSX, 6sp, 711 fwhp (N/A), 2015 2500 HD Duramax/Allison
Does anyone know if the AMC20 pumpkin is cast steel or cast iron? I am wanting to get the axle tubes welded up...

thanks.
 
Does anyone know if the AMC 20 pumpkin is cast steel or cast iron? I am wanting to get the axle tubes welded up...



thanks.



It’s Steel, I’m rebuilding my AMC20 right now. My cover was pitted beyond repair so I bought a cast aluminum cover with fins.


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The housing is iron.
The cover is steel stamping.
Be sure it's 'skip' welded.
LG
 
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It’s Steel, I’m rebuilding my AMC 20 right now. My cover was pitted beyond repair so I bought a cast aluminum cover with fins.


Sent from my iPhone using Tapatalk

I am referring to the differential, not the cover...maybe you are too, but sounded like maybe not...
 
The housing is iron.
The cover is steel stamping.
Be sure it's 'skip' welded.
LG

Thanks. I'm doing some research on this. Looks like there are some precautions to take like pre-heating and using a nickel or ss rod, etc...
 
It's only recommended to do four 1 inch welds around each tube to prevent cracking between the dissimilar metals.
 
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