Quote from jtw62074 :

Many RC cars do have the center of gravity below the middle of the tire and run the front roll center below the ground as well.

Mathematically, I still think the OP is actually talking about a CoG below the ground. Not really possible, but he's just imagining things

Quote from RasmusL :

Mathematically, I still think the OP is actually talking about a CoG below the ground. Not really possible, but he's just imagining things

If that's the case then indeed the weight transfer would go the other way as others pointed out