Tiler
They’re stronger than a Banjo, weaker than a Salisbury.
There’s two versions of the Volvo diff.
The earlier type is called a 1030, and is a close copy of the Dana 30.
The later type is a 1031 and uses the same 27-spline axles and centre, but has a larger pinion and slightly larger crownwheel.
Changeover is the early 1980s. If it has an electronic speedo sender, then it is 1031 - but there are a few years of 1031s without the speedo sender.
You might find information about the number of ribs being an identifier (1030 vs 1031), but it is NOT accurate.
If you are going to give the diff a hard time, the first thing that will break is the cross pin.
If you weld the diff or fit an LSD, then the next thing to break is the axles. I have not tried Ledfoot’s shot peening solution.
