Hi All,
Im need some help with gearing for a crawler/trail project. I am converting an old buggy that had a total diff ratio of 12.95:1, should this ratio be higher 20:1 for example?

Some back ground the motor is an axial 55t and a hobbywing crawler esc, I tried to climb and have burnt out the motor. All diffs are now locked up.
Hope to hear some suggestions on how to fix this problem.
Regards Paddy