This  TSR chassis kit is designed for use on Carrera and other fine plastic tracks. A traction magnet is supplied and its use is recommended with stock tires. Optional TSR THP3212 tires are recommended for tracks offering poor traction. The use of a min. 2-amp variable voltage power supply and PM electronic controllers is highly recommended.
Note: to use this car on Ninco or Scalextric track, the metal guide pin must be shortened and narrowed and the traction magnet MUST be covered with adhesive black electrical tape.
Assembly can be performed in minutes with no soldering required. Tools required:
-Small flat-blade screwdriver
-Small Phillips screwdriver
- 3/16" small socket wrench

SPECIFICATION
Overall chassis length: 4.4375" (steel pan in position "A") to 4.75" (steel pan in position "C")

Wheelbase: 2.85" to 3.61" in 9 possible increments:

2.85", 3.122", 3.185", 3.235", 3.315", 3.365", 3.425", 3.495", 3.61".

Overall chassis width at steel pan: 2.375"

Overall width, front axle assembly: 2.3125"

Overall width, rear axle assembly: 2.3125"

Tire diameter, front: .75"

Tire width, front: .375"

Tire diameter, rear: .825"

Tire width, rear: .5"

Ground clearance: .0625"

Height at top of steel pan from ground: .1875" (for interior detail clearance)

Motor performance:
T3215: 43000 RPM @ 12VDC. 275 g/cm stall torque @ 12VDC
With optional TD301: 55000 RPM @ 12VDC. 345 g/cm stall torque @ 12VDC

Stock gear ratio: 14/45, 64-pitch gears, or 3.21/1. Actual ratio at tire: 3.3/1

Ready-to-Race chassis weight without body: 2.7oz
Ready-to-Race chassis weight with average clear plastic body: 3.0oz

Ready-to-Race chassis weight with GB-Track Porsche 917PA: 3.4oz

Motor: FK style with drive on the can side.