I wouldst call myself a tamiya master but I would be happy to share my setup & experiences with the car on carpet.

I only have 1 carpet day on my 102 and although its not as fast as my trusty 104 its off to a good start and with a bit of time I am confident it equal if not surpass my other cars.
I have had my best results using the thicker t-bar with the ta03 blue (firmest spring is softest spring set) center spring, gold fronts and tamiya soft friction grease. my ride height is level at 4.5mm with no sag and 1.5mm pod droop. I am still running the stock front end using the #1 camber setting and 5mm shim under the front of the upper arm, w/ 3mm uptravel.

The car had exceptional corner speed, good steering though all phases of the corner and transitioned quickly.

On the downside i had poor forward traction and it was unstable under braking when the chassis was loaded. Using a stiffer chassis i was able to solve the braking instability and have made a top deck to provide a similar effect with the stock plate. I havent found a solution to the relatively poor launch compared to my 104 yet.