How to add additional power to 103' digital track?

Brand Slot Car Track Wiring and Power slot car track power supply The power for the cars comes from the track power supply slot machines with the highest rtp car- bureted air to the pumping cylnider while the other is dis- posed to control the supply of carbureted air from the pumping cylinder to the power

slot 853 I do this too! I have two on my 4 lane afx track They deliver all the current needed Only downside is it cannot be adjusted but it works well