hey marlonjohn.., i have increment saved 9habits from post sound.., a new project each day) and i found this.., imagine adding a few more edge loops around the base (wheels) and then pushing the verts into as much a wheel shape as poss.., the deleting the bottom faces.., then extruding in from the sides (faces) ect.., as i have already explained.., actually i should put up the wire for the car as it is noo too.., you will get a better idea of it.