I found a brushless motor that fits in a Lego motor case. I try it in a Lego 4x4 and test it's power output. It goes fast.

I did an XL motor -    • Brushless Lego XL-Motor has Insane Power  

On Amazon
https://amzn.to/3HfY7eI

The ESC in this video
https://amzn.to/3h6VilH