I did add JOTD's AGA version.
Since there's no official installer available at whdload.de for this version, I added it to "Beta - Unreleased" set as I do with all games with no official installer.
SuperCars2_v0.91_AGA.lha.
Some SWOS versions had problems with teams not showing up with newer slave.
https://eab.abime.net/showthread.php?t=114719
http://mantis.whdload.de/view.php?id=6185
Those that are still on v2.1 is affected and doesn't work properly with v2.2 slave.