The funnycar is a modified tyco 440x2 pan chassis. I added some lams to the arm, not sure if any more would fit. It has metal gears, ball bearings on the motor, and a shunted elec. system. Still needs a few things. The rail started out as a lifelike T. I made the arm out of a tyco arm and added some lams to the stack. I drilled the endbell for tyco threaded brush tubes the front end is brasswith bushed front wheels. Still got some work to do on this one as well. The tjet has everything. High timed rewound epoxied AW arm, neo magnets, all metal lightened gears, the chassis is cut for cooling, neo trac magnets, wheelie bars (reqiured even with the trac mags), hood scoop in the body for cooling, de-soldering braid pickups, silicon coated sponge tires, and 8 ball bearings.