Minimum OD of wheels for Truggy?

Minimum OD of wheels for Truggy?

I’m evaluating if I can use the open rc truggy as a base for a MSE droid. The MSE uses wheels that are 75-80mm outer diameter.

Are these wheels too small for truggy? Or should I consider open rc touring car instead.

http://tmrcracing.com/Star-Wars-Star-Wars-Driod.htm