The results solely based on the points listed in the OP would have been a three-way tie for 1st: Chihuahua Hotdogs, Devin Weston and Dynasty 8 all had one driver finish 1st in his class and one driver finishing 2nd in his class.
To balance winning a populated class, you will get bonus points. The amount of drivers in your class define the amount of bonus points you get, applied in reverse. E.g.: Class of 1 driver only: 1 point E.g.: Class of 4 drivers: 1st pos = 4 points; 2nd pos = 3 points; 3rd pos = 2 points; 4th pos = 1 point E.g.: Class of 9 drivers: 1st pos = 9 points; 2nd pos = 8 points ... 8th pos = 2 points; 9th pos = 1 point
With this additional rule we now have the winning teams seperated a bit better: