8 3/4 rearend housing

I almost did it myself, but having to go to this buddys house to weld it, then to this buddys house...... lack of tools kept me from doing it. It is pretty straight forward( says the guy who didnt do it) This is from moparts tech section under drag racing

Moparts Tech Archive
Drag Racing Tips
Narrowing Rear Axle Housing


Well no link, but thats where you can find it.