There is a lot of information on these pages on how to convert the carts. Here are the modified program files as the links in the thread are dead.
Dodonpachi DaiOuJou
ESPGaluda
Ketsui
Thanks to Apocalypse for creating and sharing these files.
The following file is also available.
Ketsui - Trap Arrange 1.7
Pictures of a Ketsui converted cart. Donor cart was Knights Of Valour 2.
