Just for the sake of conversation.
The offroad VW powered Dune Buggies, we built the transaxle differential with a Super Diff. 4 spider gears instead of 2.
Doubled the strength of them, yet with these we did not need the locking diff as we use Steering Brakes to assist steering in the soft sand terrain.
Also did a nice 280-Z drive shaft conversion that eliminated the weak factory VW CV Joints.
Unbreakable . . .
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Took 4 stock spiders to make it work.
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Brings back a lot of fond memories looking at this again.
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Twin Steering Brake levers at the center console.
Only limited by your imagination.
☆☆☆☆☆