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Are the motors still 4.0 ohm like the Pursuit sets last year?

Sounds like the same motor as the Pursuit cars with a little equipment and assembly variance. Over 30% faster then an old Tyco 440-X2 if you have the power to run it full out. A home power pack doesn't cut it, a good stock motor will keep up with it. At the slot car shops track with battery power the motor really moved, keeping pace with my BSRT 440-T2 car on the straights. I think the motor magnets in the cars are stronger then old tycos too, but I have no way to tell. I see it has the same shorty traction magnets for light downforce with the sets D battery pack. They are interesting in themselves because they are reverse zapped compared to old Tycos.

I had almost lost hope for them when no holiday set was made this last season.

As long as it is 1.2A per lane they should be quicker. Running a DC-2 power pack with 20V and .6A for each car isn't enough for them, so it would have to be per lane. I suggest taking the motor out and swapping it into a narrow chassis so you can get enough downforce to use the extra speed. At the very least replace the tires or the car will probably bounce off the track.

The bright orange plastic on the comutator instead of white is a dead giveaway