Short Course B-Modified
This Short Course B-Mod class uses kits off the shelf, add the modified body conversion and you have a real dirt modified that allows you to race within a budget.
Chassis
- Any 2wd Short Course Truck
- Losi XXX_SCT, Losi 22SCT
- SC10, SC10.1, SC10.2 , SC5M, SC6.1
- Traxxas 2wd Slash
- Traxxas Slash may run LCG chassis
- Chassis must be original manufacturer Short Course chassis kit, No aftermarket, special designed oval type chassis allowed.
- 4wd chassis allowed, must remove front drive shaft & half-shafts and battery must be in stock location. (4wd Drive Slash is legal by removing front shafts)
Wheelbase
- Wheel base length 12.75”-13.5”
- Width 11”-11.75”
Shocks & Suspension
- Independent Suspension
- NO Adjustable Rear Arms
- Stock Shock Mounting Locations – No Drilling Holes In Arms & Towers
- Aftermarket springs allowed by any manufacture
Transmission & Motor Location
- Motor may be mid or rear engine only if original manufacturer designed it to be changed
- Single Speed Transmissions only
- No Direct Drive style differentials
- Slipper Eliminators are allowed
Motors & ESC
- No 540 Motor under 10.5T
- Any brushless 10.5T and above and sensored motors allowed
- Any ESC in any mode allowed, Tekin RX8, Castle or HobbyWing is allowed
Batteries
- 7.4V or 7.6V 2S Lipos Maximum (8.42V max charge volts)
- LiHv LiPos allowed but not charge beyond 8.42V, these will be teched
- Battery must be mounted down the center of the chassis.
- Electronics can be mounted on the left within main chassis plate only.
Body Style
- Must look like USMTS, UMP, or IMCA dirt modifieds
- Front wheels must remain open
- Rear spoiler allowed, not to exceed 1.5” off of deck.
- End caps allowed, may run center support brace.
- End caps no larger than 1.5″x3
- No other side damns or down force device allowed.
- End caps no larger than 1.5″x3″
- No other side damns or down force device allowed.
- Max body dimensions: width 13”, height 8”
- Max overall length of body including spoiler 26 1/2”
- Rear bumpers are required. A front bumper is highly recommended. If no bumper is used, then the front nose must not be a sharp or pointy object and must be able to absorb contact.
- Allowed Body Manufactures include Custom works, Sippel Speed Shop, Factory 41, 57 Designs, AFX & Crazy Dave’s)
Bumpers
- Rear bumpers are required.
- A front bumper is highly recommended but may be under nose
- If no bumper is used, front nose must not be a sharp or pointy and must be able to absorb an impact
Tires & Wheels
- Rubber Tires Only
- SC Tires & Wheels Only
- Wheels must be the 2.2/3.0 SC wheels
- Tires must be the 2.2/3.0 SC rubber tires
- No 1/8th Tires or Wheels Are Allowed
- No grooving or sipping of the rubber tires
- No 1/10th Stadium Truck or 1/8th buggy wheels allowed
- Tire selection for best performance is JConcepts Sprinters or DE Racing D30/D40 Grooved!
- Best Wheels are DE Racing or Traxxas Wheels!!
- Tire Sauce is allowed, MRP is the preferred sauce for Gulf Coast Speedway. Tires must be dry when entering the racing surface!
Revised July, 11, 2020