Stock center diff spool gear vs locked spur gear

[Kljin]

What are the advantages from a locked spur gear setup vs the stock center diff with a spool gear?

 

[dure16]

What are the advantages from a locked spur gear setup vs the stock center diff with a spool gear?

What type of car, terrain, and driving are we talking here?

 

[Kljin]

What type of car, terrain, and driving are we talking here?

Infraction 6s BLX, castle 2028-1100kv, XLX2.
for speedruns on asphalt.

 

[dure16]

Infraction 6s BLX, castle 2028-1100kv, XLX2.
for speedruns on asphalt.

Use a spool. You want equal power going front/rear for speed running. Plus the spool can accommodate more gearing options.

Diff is better for hooning around a parking lot or driving a road course. More predictable and controllable through the turns.