Well, I gave it a shot. Personally, I dont know if it was just my car, but I think doing this made shifting feel horrible. I think it goes into gear smoother with the weight on. Maybe it's just my car or maybe I did it wrong. Anythings worth a try though.
First - 03 Egg Yolk Yellow ZX3
Second - 02 Infra Red SVT
Now - 05 Platinum Silver Metallic WRX Wagon...now with dyno tuned stage 2