Here is how I have my Aquila chassis, with my mods, running Creality 4.2.7 Boards with Miguel Risco-Castillo's firmware found here... https://github.com/mriscoc/Ender3V2S1...
Here are the items you need to check though to get the most out of your bed probing.
Here is my Special Fang Design with center mounted BLTouch to get the most area out of your Machine.
https://www.printables.com/model/3322...