Official class 1 RuleBook

Classes available for racing: 

 

  • Class 1: Unlimited four-wheel single and two-seat vehicles with unlimited displacement. Open wheel class. No production bodied vehicles or production appearing vehicles allowed in this class. Vehicle must be rear or mid-engine design with independent rear suspension. Gasoline and diesel engines with unlimited displacement. Engines may be either normally aspirated or forced induction. See Class 1 Linked Below

 

  • Class 2: Combined truck and car class for vehicles and engines with no restrictions. Forced induction is allowed. Vehicle examples: ST2, TT1 See Class 2 Linked Below

 

  • Class 3: Hirochi Aurata Base, Junior body & Hirochi Aurata Race;  Modifying the engine for more power is permitted. Off Road Tires required. (UTV CLASS) See Class 3 Linked Below

 

  • Class 4: Min 145-Max 430BHP Bugs/Buggies/Trucks. Example Autobello Piccolina Baja Spec & Baja Unlimited Class 5 BeamNG Vehicles.  NOT THE LIGHTLY MODIFIED CLASS 11 DESCRIBED IN CLASS 5 BELOW

 

  • Class 5: 1601 cc VW engines or higher with possibly modified Body, suspension and drivetrain. Additionally, the SS3 Dualsport Offroad Buggy is also in Class 5. Class 5 includes all 4-cylinder buggies. The LKS Prerunner with the CBR V6 engine that the Ironman config has, can be raced in Class 5, Do keep in mind however that if things turn out being unbalanced then that may potentially change. See Class 5 Linked Below

 

  • Class 6: Limited 4-wheel vehicles similar in appearance and size to TT1 or the LKS Prerunner. Class limited to maximum 600 hp. Two (2) wheel drive only Must have solid rear drivetrain. Underdrive units are allowed See Class 6 Linked Below

 

  • Class 7: Unlimited four-wheel vehicles. Vehicles must have a production appearing truck or SUV body. Naturally aspirated engine limited to 4.5 Liters. Forced induction engines are limited to 3.5 Liters. Engines must have a maximum of six cylinders. Stock appearing small-mid-full size vehicles like a pickup truck or sedan but with a lift kit are this class. Gavril Roamer, Pariah SUV, Rally style cars like the Cherrier FCV in rally format and Pidgeon/Widgeon are this class as well. All other modifications allowed besides liter limit and production appearance. See Class 7 Linked Below

 

  • Class 10: Trackfab Apache, stock 2WD Tomahawk, Trackfab Dunehopper See Class 10 Linked Below

 

  • Class 11: Stock Baja Bugs, example, Autobello Piccolina: body, suspension and drivetrain must remain stock with only minor modifications allowed. 1.1L, 1.3L, 1.5L. See Class 11 Linked Below

 

  • Class 18: Experimental class used by part and mod makers. No limits. No Restrictions. Class will be used for field testing of vehicles during races to see how they hold up against their future class ranking. Will also be used to showcase the mod/parts.

CLASS 1

MAIN COMPONENTS:

DEFINITION: Class includes Naturally Aspirated, Forced Induction and Rotary Engines fitting into any 4 wheel single, two and four seat vehicle fitting the "buggy" style frame like the Trackfab Tomahawk.

 

ENGINE & ENGINE DISPLACEMENT: Displacement is unlimited. Engine may use any induction system up to stage 1. Stage 3 and above Engine Block must reclass to CLASS 2

 

TRANSMISSION: Can be two/four/all-wheel drive.

 

FORCED INDUCTION: Stage 2 and above INTAKE must reclass to CLASS 2


CHASSIS & BODY: Open class & Unlimited design

 

EXHAUST: Each vehicle, regardless of class, must be required to be equipped with mufflers, no straight piping if the option exists to have a muffler mounted.

 

DOORS & LATCHES
All vehicles with doors must have them on the vehicle at start of the race and secured to the vehicle by latching or tied down.


 

DRIVERS COMPARTMENT

Rear seat, if applicable, upholstered panels, headliners and carpets may be removed. Removal of dash and firewalls

is prohibited.

 

WHEELS & TIRES

Wheels must be new or safe to drive condition or optional alloy wheel identical in dimensions to stock wheel.

Bolted hubs may be replaced with studded hubs.

Any manufacturers tire and size allowed up to 31” tall and 10” wide as mounted and inflated on a 4” or

4.5” wide rim with 18 lbs. of air. Aftermarket wheels can be used if they have exact stock dimensions.

Spare tire is mandatory but may be mounted within body shell or trunk.

 

STEERING

Default Steering Box, Race Steering Not Allowed

 

FLOORBOARDS

No alterations to floor pan are allowed. 

1965 or earlier model car belly pans may be interchanged. 1966-1968 belly pans may be interchanged.

1969 or later may be interchanged. All must maintain original suspension type (Trailing Link FRONT, Trailing Arm REAR, Rally Coilovers).

 

DOORS AND LATCHES

Doors must remain functional and in original stock location. Doors must have original hinges with a

workable latch. Secondary positive latching devices are mandatory

 

SEATING

Any manufacturers racing seat is allowed but must remain the approximate stock location. If stock seat

mounts are used they must be reinforced using at least two U-bolts per seat runner.


ENGINE
 

ENGINE DISPLACEMENT

1600cc or less.

 

PISTONS

Pistons must be stock three-ring only.

 

TRANSMISSION

Transaxles are to be 4-speed with reverse sedan type only. 

Use of close ratio 3rd and 4th gears is allowed. Any aftermarket main shaft is allowed (must be

stock gear ratio). 

Aftermarket ring and pinion are allowed with ratios of 8:31 (=3:88), 8:33 (=4:12) or 8:35 (=4:37).

Axle over tubes are not permitted.

Other internal modifications are optional. NEEDS CLARIFICATION

Any gearshift lever allowed

 

FAN SHROUD

Must use stock fan shrouds. Heater tubes are optional.

 

CARBURETOR

Low compression 1600 c.c. engine with maximum 8.0 to 1 ratio. May use a 40 or 44 cfm

carburetor.

 

HEADS

Balancing slot may be welded close. Vacuum hole may be plugged. A 34mm

to 30mm carburetor adapter must be used.

 

OIL PUMP

No deep sumps, dry sumps, or sump alterations. Windage trays

are allowed. The use of any oil-bypass pistons and springs are allowed

 

FUEL CELL

Fuel cells must be bladder type. Cells may be located

anywhere inside vehicle, and have any capacity. Rotary molded polymer fuel cells are not allowed. Any

type fuel shut-off valve allowed.

Electric fuel pump can be used. Stock fuel pump may be used as a backup and routed through the stock

system. Fuel regulator is optional

 

FLUID COOLERS

Location optional. Full flow systems are allowed. No deep

Sumps, intercooler or dry sumps will be allowed

 

STEERING

Any steering wheel may be used. 

Any accessory steering box may be used. 

Steering components such as ball joints, steering arms and tie rods must remain stock. 

Steering column OPEN. 

Replacing the stock steering column is allowed

 

EXHAUST

Any exhaust system may be used

 

BRAKES

Brakes are OPEN as long as they are original stock concept. 

Any stock master cylinder is allowed. 

Disc and drum brakes are allowed. 

Use of 5-lug wheels is allowed for use with disc brakes. 

Any combination of Stock master and wheel cylinders allowed. 

Dual master cylinders allowed. 

Emergency

brake is optional

 

FUEL

Fuel is not restricted

 

CHASSIS & BODY

CHASSIS & BODY

The vehicle must retain full stock chassis and body with no modifications allowed with the exception of

modification allowed to the rear lid to allow for the air box on low compression motors; the lid may be

extended out, or the lid may be cut to allow full closure of the rear lid. 

Rear apron must retain stock external appearance. 

No convertibles, Ghias, 181’s (VW things), variants or super beetles.

Running boards may be removed.

Front and rear hood latches may be modified or replaced.

Hinges must remain stock.

Front, rear and side glass optional. Chrome strips, outside mirrors, antennas may be removed.

Sand traction devices may be mounted on outside of vehicle.

 

FENDERS

These parts must be identical to stock metal components in appearance. Requires front and rear bumpers.

 

MIRRORS

Must retain stock mirrors on left and right doors and center rear view mirror.


 

SUSPENSION COMPONENTS

 

SECONDARY SUSPENSION

 No secondary suspension is allowed.

 

SHOCK ABSORBERS and BUMP STOPS

Only one shock per wheel is allowed. 

Stock front shock mounts must be utilized. 

Any shock is allowed with 2” maximum outside diameter.

Rear shock must not have an extended length longer than 18 inches, center of mounting hole to center of mounting hole. 

Cooling fins and/or reservoirs allowed, and must be mounted inside body. 

Rally coilover shocks are required. 

No hydraulic bump stops allowed. 

No bypass shocks allowed

 

FRONT SUSPENSION

Front axle torsion tube centers may increase ground clearance or front torsion adjusters may be used. 

A crossmember is allowed from shock tower to shock tower. 

Stock front spindles must be used. 

MUST keep stock wheel travel and track width. 

Stock LENGTH trailing arms only. 

Sway bars may be removed.

Front snubbers must retain stock dimension and mounting methods.

Suspension limiters allowed.


 

REAR SUSPENSION

Torsion bar adjusters are allowed. 

Lower rear shock mounts may be removed and or replaced. 

Rear shocks may be relocated, but must bolt directly to rear trailing arm or swing axle. 

No remote mounted shocks. 

Rear trailing arms must retain original dimensions.

Lower spring plate stop can be modified to increase wheel travel.