Spec10 Class Rules

Class rules are managed/owned by the Spec10 Mafia board
(Last updated 9/13/2024)

​Chassis and parts
1.  All parts must be available for purchase from the RJ Speed website or TK Racing facebook page.
2.  RJ Speed Spec10 or TK Racing Godfather chassis only. No spec mod.  NO PRINTED PARTS.
3.  RJ Speed Spec10 or TK Racing unmodified parts only, this also includes springs, steering blocks and axles. Turnbuckles are allowed for steering links.  Bearings are allowed.
4.  No cutting or shaving of ANY parts to reduce weight.  No drilling holes in any parts or body to reduce weight.
5.  92 tooth spur only and 46 or 47 tooth pinion only. (64 Pitch gears only.)
6.  ​The only legal springs are the RJ Speed #5228 red or yellow springs shipped in the kit or the TK Racing red springs.
7.  Must run the RJ or TK rear bars and collars.
8.  Rear axle must be part # RJS-5730
9.  4mm ride height minimum
10. Aluminum or anodized chassis screws are legal.
11.  No performance improving hardware.​

Bodies
1.  RJ Speed bomber body or McAllister 181 or 182 bomber body only.
2.  No alterations or scraping to the body.
3.  Body must be trimmed on the manufacturer’s molded cut line.  Wheel well area can be trimmed forward or back to fit the location of the tire.  
4.  The only holes allowed in the body are the 4 body mount holes.

Tires
1.  CRC rubber carpet tires only. #2314.
2.  The only allowed modification of the tires is gluing the sidewall.  Any/all other modifications to the tires are illegal.

Electronics
1.  ESC:  Any 1s ESC in Blinky or Hobbywing Justock with booster. Car owner must provide tech the tools necessary to check for blinky mode when necessary.
2.  Motor:  Gravity RC Spec10 17.5T (silver) Motor (part# GRC2020).
3.  Battery:  The only legal battery is the 1s Protek 130C 8800Mah, part #:  PTK-5105-22.
4.  Servo must be a standard low-profile servo.

*NO JUMPING THE START OF A RACE. All cars must cross the start finish line in their qualifying order. The driver who jumps the start will be sent to the back of the field and the race restarted. Passing a car that was driven up to the wall without interference by another car is not a jump.
*Only the Spec10 Mafia makes rule changes and is responsible for final interpretation of rules.
*This class is made so all cars are kept as even as possible and every attempt will be made to keep it that way, Including rule changes if necessary!
*This is a class to have fun with! CONTACT IS GOING TO HAPPEN.

​Motor rules for trophy races (RJ Speed Nationals, Oval Masters, Snowbirds......). 
​1.  If the factory seal on the motor is broken or the motor appears tampered with, that motor will be subject to a tech inspection.  Based on the tech inspection, that motor may be considered illegal and cannot be used.
2.  Any heats run with illegal motors are not qualifiable times.​