Mudboss Class Rules
(Last updated 2/26/2024)
1 Salvas MudBoss BODIES only
1.1 - Any minor modification to the body must be approved before being allowed
1.2 - The optional ‘NEXTGEN’ innerpanel is allowed and must be installed following the procedures (available June 2022)
2 CHASSIS
2.1 - TRAXXAS 2wd (SLASH or RAPTOR) chassis only
2.2 - Original MFG suspension parts only, no other parts allowed (such as from RPM)
2.3 - Original MFG chassis parts only, no aftermarket hop-ups, no optional aluminum parts
2.4 - Front bumper, right side bumper and front body post brace must be removed
2.4.1 - Left side and rear bumpers can also be removed (if desired) **rear RPM bumper is allowed**
2.5 - TRAXXAS front optional bumper (TRA2735) can be used (angled down)
2.6 - Major alterations to the chassis or modification to drivetrain/suspension components is not allowed
2.7 - Electronics (rx/esc/amb) must be installed within chassis surface (no outside installation)
2.8 - Battery brace can be trimmed to allow different LiPo battery wire configuration
2.9 - Transmission must be in the stock rear mount position.
3 ELECTRONICS
3.1 - Original TRAXXAS 2075 servo
3.2 - TRAXXAS 2075x and 2075r (servos) AND TRAXXAS 2072x (gear set) are allowed as ‘alternative’ parts/servos
3.2.1 - The SAVOX SC-0252MG Digital Servo is allowed, this is an ‘alternative’ servo
3.2.2 - SAVOX gear set (SAVSGSC0251MG) can be used to ‘upgrade’ the TRAXXAS 2075 to metal gears
3.3 - it is allowed to 'pin' the servo saver(white) or bell crank(black)...be advised the servo gears might get broken under a heavy crash
3.3.1 - original TRAXXAS plastic servo saver/bell crank only (white or black system) it is allowed to mix the components
(ie.. using black servo horn with white bell crank)
3.3.2 - It is allowed to use a solid (one piece) servo horn (any brand)
3.4 - 2-cell 7.4v LiPo battery with a maximum of 5200mah and 50c, with external plug only (no “bullet type” connector)
4 ADJUSTMENTS
4.1 - TRAXXAS 76/83/86/90 spur with all transmission parts in place (slipper)
4.2 - Any pinion size
4.3 - No modifications can be made to the transmission’s case (ie.. to allow a bigger gear ratio)
4.4 - The gear cover must be off at all times to allow for visual inspection (CARPET)...and removed if asked (DIRT)
4.5 - The only adjustments allowed to the car are those allowed by the original MFG components of the car
4.6 - You are allowed to use any original wheel spacer combination (Black, Grey or any combination of both types)
4.7 - Transmission functionality rule (motor cannot spin while turning slowly one rear wheel a full turn)
4.8 - Traxxas SLASH *STEEL* transmission gears only (internal plastic transmission gears not allowed)
4.9 - Adding weight (in any way) is not allowed, wheel balancing is allowed (sole purpose of balancing, not to add weight)
5 SUSPENSION
5.1 - TRAXXAS 2WD plastic shocks only (grey or black version) (front shocks in front, rears in rear)
5.2 - Original Rear (TRAXXAS 5858) and Front springs (TRAXXAS 5857) (no LCG kit springs or aftermarket springs)
5.3 - Front springs may be cut in order to shorten them (no more than 5 round removed on ONE end)
5.4 - The shock’s travel may be shortened with internal shims (ie..fuel tube or solid shims...)
5.5 - Original shafts in original cylinder (length and type in proper cylinder)
5.6 - Original pistons from kit only (original 1,2 or 3 hole), no modifications can be made to them
5.7 - No front bump stop suspension, a single original blue bump stop can be used per rear shock (not mandatory)
5.8 - No shimming allowed (to reduce slop in suspension parts)
5.9 - All suspension parts (such as A-Arms) must remain in original positions it was designed for (no swapping left to right)
5.9.1 - rear camber links must remain in original height position (upper hole on shock tower not allowed)
7 CARPET OVAL SPECIFIC RULES
7.1 - TRAXXAS Low CG chassis is allowed
7.2 - ROAR legal 13.5 sensored brushless motor (Stock 13.5/Spec) http://roarracing.com/approvals/print_brushlessmotors.php
(approval date is set to May 1st, 2022)
7.3 - a single motor fan can be used
7.4 - any ESC in BLINKY mode (ROAR software approved)
7.5 - JACO tires (JAC2055LP) only **can be trued** (must keep its FULL WIDTH, it is allowed to round the edges)
7.6 - Plastic Wheel caps are allowed with a max dia of 3.125” and must be secured with a min of 2 screws/wheel
7.7 - You may use a bead of “CA” type glue or ‘’tape’’ to the RIGHT FRONT tire side wall to reduce the car’s aggressiveness
7.8 - ODORLESS tire additives only (ie..SXT, J-DUB, PRP...)
7.9 - all other rules specified earlier in sections 1-2-3-4-5 stays the same
RJ Speed Sprints
(Last updated 4/2/2023)
Chassis/body
Tires
Electronics
Gearing
(Last updated 2/25/2022)
These rules are established to keep the class as close as possible to stock while maintaining affordability.
(Updated 2/26/2024)
Chassis
1. Only RJ Speed or Bolink Legend chassis only.
2. Minimum weight of 32 oz.
3. Minimum ride height of 4mm.
4. Adjustable turnbuckles are legal
5. Factory front bumper must remain on car.
6. The only legal springs are the RJ Speed #5228 red or yellow springs shipped with the kit or the TK Racing red springs.
Electronics
1. Must use the Hobbbywing Justock 25.5 combo. All motors must be untampered. MUST BE MOUNTED ON THE RIGHT SIDE.
2. Any ROAR approved 1s battery.
Tires – Gears - Bushings
1. Blue, purple or yellow stripe spec tire or rubber CRC tires are the only legal tires.
2. Gears: 48 pitch - 72 tooth spur - 47 - 49 pinion.
3. Must use the box stock bushings that come with the kit. No wheel bearings.
4. No modifications to the bushings.
5. Only RJ Speed nylon or nylon/aluminum hybrid hubs only. NO all-metal hubs.
6. No ceramic or carbide diff balls.
Body
1. Must use RJ Speed Legend body cut on the cut lines.
2. Windows must remain intact.
3. Body post/mount holes must be punched in the factory marked hole locations.
***All other National Legend rules will apply.
***Only RJ Speed or similar TK Racing parts can be used. No carbon fiber after-market chassis or parts.
***Anything not specified in the rules above is considered illegal.
Sportsman RTT
(Last updated 2/26/2024
This class is intended for sportsman racers.
See Facebook, TOUR page, click on Files.
Super Stock Slash
(Last updated 2/26/2024)
Motor/ESC
1. 12T Titan motor 3785 Traxxas w/XL-5 esc
2. Hobbywing Justock 13.5 fixed timing motor/esc combo
Battery / Electronics
1. 2s Lipo or 8.4v NiMh
2. Any steering servo
Tires/Wheels
1. Speedhawk 2.8 tires wheels - part# DYNW0020 / DTXC2900 or Duratrax Bandito DTXC3544 / DTXC3542
Body
1. Any body that covers front rear and tires
2. No wedge bodies. No late model bodies
Chassis / Parts
1. Traxxas LCG chassis (unaltered). You cannot cut the chassis to save weight
2. Only Slash RPM or stock front bumper
3. Stock transmission case or RPM case with Traxxas parts inside
4. Aluminum hubs, casters and shock caps are legal. No other aluminum parts
5. Stock 2wd Traxxas Slash shocks with aluminum caps. Limiters are ok
6. RPM A arms are legal
7. Must run 48 pitch gears. Spur gears must be stock 2wd Traxxas gears.
8. Transmission must be in the stock rear mount position.
Any other modification will be considered illegal
Street Stock Rules
(Last updated 2/25/2022)
Chassis:
1. Any 1/10 scale buggy chassis.
2. Mid-motor configuration or rear motor configuration.
3. No truck chassis are allowed or truck a-arms.
4. Battery must be down the center of the chassis.
5. Lowering kits are allowed along with touring shocks and a speedy's kit. No other homemade kit with be allowed.
6. Aftermarket body mounts and bumpers are allowed but metal bumpers or body parts are not permitted.
7. Limiting of shocks is allowed inside the shock.
8. No adjustable a-arms or modifying the holes in the chassis to change the angle of the a-arms.
9. All weight added must be inside the chassis.
10. Minimum weight of 59 ounces.
Body:
1. Any McAllister or Custom Works Street stock body.
2. No open wheeled bodies are allowed.
3. No decking the bodies, no vent holes, the car must have a complete windshield.
4. Rear spoilers are optional. They can only be one inch off the rear deck and no side panels.
5. Rear bumper must remain intact.
Motor, ESC & Battery:
1. Any ROAR Approved 17.5 sensored motor and or the Traxxas 12 turn motor.
2. No parts of either style motors may be modified, altered or removed in any way
3. Any ROAR Approved 1/10 scale ESC in "BLINKY"
4. Stock blue esc xl5 must be used with the Traxxas 12 turn motor.
5. No “Outlaw” motors.
Tires:
Any foam or rubber tire without pins or aggressive tread mounted on 2.2 buggy wheels
Battery:
Any ROAR approved 2 cell Lipo (Maximum 8.44 volts).
2WD Stock Short Course
(Last updated 2/25/2022)
1. Truck must be a 2WD Built RTR/ Kit stock Short Course Truck.
2. Battery - Any 2 cell Lipo 65c max or 6-7 cell NiMH allowed.
3. Motor -Traxxas Titan 12T motor, Hobbywing 13.5 Locked timing, or ROAR 17.5
4. Electronics - Traxxas XL-5 ESC, or Hobbywing Justock, only but can be any servo/radio/receiver combo.
5. Shocks - Must be stock shocks and springs (You may use any weight shock oil and aluminum caps).
6. Gearing - Any 48-pitch spur and pinion combination.
7. Body - Any short course body that covers all 4 wheels when looking down on the truck.
8. Must use only OEM parts.
9. Tires - Must be box stock/ kit type tires and wheels. No large lugs, 4 x 4, mud, or monster truck tires
10. Ride Height rule - Truck Shall Be no lower than 23 mm.
11. Anything not listed above is not legal in this class!
(Last updated 5/18/2024)
3. Only 2 kits can be raced in this class. Part #: ASC70030 and ASC70030C. No mid-motor, carbon fiber chassis kits.
4. Replacement bodies must be the same as the kit, part #ASC71192.
5. All cars must run the stock Reedy WolfPack 3300mah/30C battery.
6. The shocks must be left as they come from the kit (30 weight associated oil).
7. Ride height: The car can sit no lower the spool of tape on the tech table.
8. No gluing of the sidewall of tires.
9. NO DOPING OF TIRES!
THE CAR YOU ARE RACING NEEDS TO BE THE SAME AS WHEN IT CAME OUT OF THE BOX. The approved electronics changes are being made due to frequent kit parts failures.
** This is meant to be a fun class with the goal of allowing a driver to go from the hobby shop to the track with their SR10 and be race ready in minutes.
* Rules for the RJ Speed Nationals Breakout are on the Facebook event page.
RJ Speed Nationals 6 Second Breakout
Chassis
1. Any RJ Speed chassis or TK Racing chassis only
2. Turnbuckles are allowed
3. Minimum ride height of 4mm
Electronics
1. Any roar motor and speed controller
2. Any roar legal 1s or 2s LiPo
Tires - Bearings
1. Any foam or rubber tire
2. Bearings or bushings allowed
3. All cars must run the RJ Speed axle/diff configuration as found in the Legend/Spec 10 kits.
Body
1. Any body that covers the wheels.
***Only RJ Speed or TK Racing parts can be used. No carbon fiber after-market chassis or parts.
***Anything not specified in the rules above is considered illegal.