Use this chart
And setup your car with the "more cornering traction" options. I have a TC3 and TC4 setup nearly the same and my traction on concrete is pretty good with VTA tires and HPI X-pattern Pro Compounds, respectively.
As for springs, you may need to go a little softer to help with traction.
As for track prep, use a leaf blower and blow the dust off the track. If you can, spray it with cheap soda pop to help keep the dust down.