This list shows all of the parts common to all slot cars, plus a few pieces that you may want to add to your Racing to the Future™ entry. This list also shows what changes are allowed for the competition and can also give you some ideas on what modifications you may want to make to your car.
Racing to the Future™ Modification Guide
| Slot Car Part | Allowed to Change/Modify | Modification Limits |
|---|---|---|
| Chassis | Yes | You may alter the chassis. You may lighten, re-enforce, change wheelbase, change magnet locations, sand the bottom surface, etc. |
| Gear Plate | Yes | You may alter the gear plate. You may lighten, re-enforce, change magnet retainers, etc. |
| Bulk Head (Front and Rear | Yes | You may alter the bulk heads. You may lighten, re-enforce, change magnet retainers, etc. |
| Armature Bushings | Yes | Armature bushings can be replaced with a fixed metal or oil-lite bushing or ball bearing units. |
| Motor Magnets | Yes | Any Motor Magnet material is allowed, including ceramic, polymer or Rare Earth/Cobalt or Neodymium. |
| Traction Magnets | Yes | Any Traction Magnet material is allowed, including ceramic, polymer or Rare Earth/Cobalt or Neodymium |
| Gear Plate Clamp/Retainer | Yes | You may alter or replace the gear plate clamp |
| Bulk Head Clamp/Retainer | Yes | You may alter or replace the bulk head retainers |
| Armature Bushing Retainer | Yes | You may alter or replace the Bushing/Bearing retainers |
| Body Mount Clip | Yes | Body mount clips may be altered or replaced. This includes 3rd party clips, tape or body tubes and pins to securely mount the body to a chassis. The body must stay secured to the chassis during competition. |
| Guide Pin/Guide Flag | Yes | You may alter or replace the guide pin/guide flag. This can include a guide flag unit that also has pick up braids (Slide Guides) |
| Pinion Gear | Yes | You may use any pinion gears, plastic, nylon, metal or resin. Pinion Gears may be lightened, drilled, hardened or coated. |
| Idler Gear(s) | Yes | You may use any idler gears, plastic, nylon, metal or resin. Idler gears may be lightened, drilled, hardened or coated. |
| Cluster Gear(s) | Yes | You may use any cluster gear or assembly, plastic, nylon, metal or resin. Cluster Gears may be lightened, drilled, hardened or coated. |
| Crown Gear | Yes | You may use any crown gears, plastic, nylon, metal or resin. Crown gears may be lightened, drilled, hardened or coated. |
| Spur Gear | Yes | You may use any spur gears, plastic, nylon, metal or resin. Spur gears may be lightened, drilled, hardened or coated. |
| Axle Bushings (Front and Rear) | Yes | Axle bushings may be replaced with a fixed metal or oil-lite bushing or by ball bearing units. |
| Front Axle | Yes | You may alter or replace the front axle. This can include, titanium, aluminum, steel, stainless steel and hollow axle units. You may use fixed or independently rotating front axle kits. |
| Rear Axle | Yes | You may alter or replace the front axle. This can include, titanium, aluminum, steel, stainless steel and hollow axle units. |
| Rear Hubs/Rims | Yes | You may use any rear hub/rim. That can include, plastic, delrin, nylon and metal units. They can be push -on, set screw and lock nut style. Flanged and double flanged hubs/rims are also allowed. |
| Front Hubs/Rims | Yes | You may use any front hub/rim. That can include, plastic, delrin, nylon and metal units. They can be push -on, set screw and lock nut style. Flanged and double flanged hubs/rims are also allowed. |
| Rear Tires | Yes | You may use tires made of any material, including rubber, rubber-silicon, silicon, sponge, silicon-coated sponge. |
| Front Tires | Yes | You may use any pick up shoe or pick up braid type, including pick up shoes/pick up braid of different metals (copper, beryllium, aluminum, silver, nickel-silver, gold, etc). |
| Pick Up Shoes/ Pick up Braid | Yes | You may use any pick up shoe or pick up braid type, including pick up shoes/pick up braid of different metals (copper, beryllium, aluminum, silver, nickel-silver, gold, etc). |
| Pick Up Shoe Springs | Yes | You may use any pick up spring type. |
| Motor Brush Tubes/Barrels | Yes | You may use any motor brush tube type, including threaded units. You may use set screws or heat sinks with the threaded units. |
| Motor Brush Springs | Yes | You may use any motor brush springs, including springs of different weights and tensions and of different metals (silver, gold, copper, etc). |
| Motor Brushes | Yes | You may use any motor brush including brushes of different lengths and of different metals (silver, gold, copper, etc). |
| Armatures | LIMITED | You may change the armature. HOWEVER, Armatures will be restricted to 5.8 Ohms (or higher) per pole in resistance. Any armature with a lower reading than 5.8 Ohms will not qualify to compete. Armatures can be balanced and/or trued. Commutators can be trued and can be made of different metals including copper, beryllium, silver, nickel-silver and gold. The Armature rule also applies to armatures in canned motors. |
| Shunt Wires/ Jumper Wires | Yes | Shunt or jumper wires are allowed, but must be between the pick up shoes and the brush tubes (or cups in a pancake chassis). |
| Weights | Yes | Weights may be added to the chassis or body. Any additional weight must be secured and not loose. |
| Additional Magnets | Yes | Additional magnets may be added to the chassis or body. Any additional magnets must be secured and not loose. |
| Wheelie Bars | Yes | Wheelie bars are allowed, but cannot touch the track in such a way as to short the rails or cause damage. |
| Body | Yes | You may use any body, plastic, Lexan, PETG, resin. The bodies must be complete and must be securely fixed to the chassis. Chassis without a body cannot qualify or compete. |