Home Up Contact US Directions    Next race will be a MUD RUN on May 31st!! The Mud BOG scheduled for May 17th is postponed. Check out over 1800 pictures at the MYSPACE website !  ***Attention-RACE DAY PHONE NUMBER 803-263-4184******

Times have changed for April 19 race, check schedule.

Also check: www.myspace.com/thundervalleymotorplex

I. About the Track:

 

1.      The track itself is 200 ft long and 40 ft wide.

2.      We race side by side.

3.      EMT service will be on site.

4.      Sheriff’s Deputies will be on site for security.

5.      The racing facility is insured.

6.      We have permanent restrooms with showers & concessions on site.

7.      We use photocell timing with Christmas tree.

8.      We can be found on the Web @ www.thundervalleymotorplex.com

 

II. Track Rules:

 

1.       Glass containers are prohibited.

 

2.       Once registered in a class there

       will be absolutely No Refunds for any reason.

 

3.       Driver must sign release form to compete.

 

4.        All minor participants must have parent’s written consent

 

5.       Any complaints concerning the race must go directly to the tech man . And may only be submitted by the contestants. * Do not approach any other staff members with complaints. *)

 

6.       If there is a problem other than something to do with the race you may go to the scoring tower. Please ..Don’t question staff in the tower Why?  See Joe Floyd.

 

7.        Yearly Points will be determined by Truck Not Driver, but it must be the same Truck.

                                         (1)

8.       If you register your truck in the same class more than once, you will only get the highest position your truck finished (the highest points and money).

 

 

9.       Do not ask for Pay Outs - We will call you when they are ready.

 

10.   Officials have the right to cancel classes.

 

11.   Official’s decisions are final.

 

12.   Tech men are pit chiefs and all calls will be their decision

 

13.     By judgement of the official, any driver that is intoxicated will be disqualified. You will not receive a refund.

 

14.   There is a 5mph speed limit in the pits and spectator area at all times.

 

15.   All vehicles must be operated in a safe manner at all times, or disqualification will occur.

 

16.   Everyone must obey track barricades, fencing, and etc

 

17.   Once you break the beam, you must run.

 

18.   Glass containers are not allowed in vehicles.

 

19.   Driver must wear protective headgear and seat belts.

 

20.   A vehicle is considered out of bounds if you hit guardrail and will be disqualified

 

21.   Vehicles may enter any class in which it meets the requirements.

 

22.   The second run will be in the same order but opposite lanes.

 

23.   Drivers may have one pit crewmember. Once a truck enters the staging area the pit crew member must be behind the staging line.

 

24.   Each vehicle has two minutes in the pit.

 

25.   Only one roll through at starting line per class.

 

26.   All vehicles have 2 minutes to be in position after the starter has called the vehicle number. It is the driver’s responsibility to ensure that they can hear the announcer and be ready when their class is called.

 

27.   Each driver must have front and rear tow hooks, and have a way to attach a cable to the vehicle.

 

28.   All vehicles must have operating brakes.

 

29.   Only track personal and contestants are allowed on the track

 

30.   A two-pound fire extinguisher is required in all vehicles.

 

31.   After each class there will be a 10-minute time limit before that class will be declared official.

 

32.   If you race/test your racing vehicles anywhere besides on the track – you will be jeopardizing points that will be going toward year ending  “Championship Points.”

 

33.     The track has a right to do a random fuel check at anytime, on any truck, for any fuel additives.

 

34.   All rules are made to provide equal and fair representation for everyone. To have a successful run you must have rules that are fair for all and most of all provide a safe environment. We strive each year through your efforts to improve our rules for the betterment of mud racing.

 

35.  All classes must wear neck braces.

 

36.  The rules and regulations committee of the Thunder Valley Motorplex will make any modifications, interpretation, verification and final decision of these rules and regulations.

 

37.  All entries are responsible for remaining in compliance with rules and regulations listed herein, as well as any announcements made by the officials.

Conduct Rule:

ALL DRIVERS SHALL CONDUCT THEMSELVES IN AN ORDERLY MANNER. PHYSICAL VIOLENCE OR VERBAL ABUSE OF ANY INDIVIDUAL, OFFICIAL, PARTICIPANT, SPECTATORS, ETC WILL SUBJECT THE OFFENDER TO IMMEDIATE EJECTION !!! IF YOU DON’T OBEY THE CONDUCT RULE AND GET EJECTED, DON’T ASK FOR A SECOND CHANCE, THERE WILL BE NONE !!! THIS ALSO GOES FOR ANY PIT CREW MEMBERS.

 

 

III. Protest Rules

 

1.        Protest Fee:  $200.00 per item in whatever class it pertains to.

 

2.       If a protest occurs the competitor who is protesting must put up $200.00, the protested competitor does not put up any money.

 

3.       If you protest and the tech man has already received the money and you{protester} back out, the protested competitor will receive $150.00 and the track will receive the other $50.

 

4.       If the protested competitor is legal, he/she will receive $150.00; the track will receive $50.

 

5.       If the protested competitor is illegal the protester will get  $150.00 of his/hers money back, the track will receive $50.   

 

         

 

ATVS:

 

1.  Must have helmets,neck braces, and long pants.

 

 

 

 

 

 

 

 

IV. Points System

           

 

      4 Trucks or More:

 

Finished        Points         Finished       Points

1st

200

16th

50

2nd

175

17th

45

3rd

155

18th

40

4th

140

19th

35

5th

130

20th

30

6th

120

21st

27

7th

110

22nd

24

8th

100

23rd

21

9th

90

24th

18

10th

80

25th

15

11th

75

26th

12

12th

70

27th

9

13th

65

28th

6

14th

60

29th

3

15th

55

30th 

 

                                                                            &  Below       2

 

 

3 Trucks or Less :

                                                     Finished        Points

 

1st

175

2nd

155

3rd

140

 

 

 

*All Participants will receive # of Entries plus their regular points.

Examples:

15 trucks in the class:

1st place – 215pts.   2nd place – 190pts. 3rd place – 170pts.

 

3 trucks in the class:

          1st place –178pts.   2nd place – 158pts    3rd place – 143pts

 

.

    V. Class Rules

 

 

    *** STREET ***

                    -- Stock, factory trucks only. –

 

  

1.       Stock, factory trucks with lift kits and tires only.

2.       Must show “current” license plate, insurance card, and registration card.

3.       No nitrous equipment on the vehicles at all. If you are caught with nitrous on the truck, you will be disqualified and be suspended for 1 race. ( No money or points)

4.       Factory headers are o.k. but must be capped.

5.       Factory aluminum intake is o.k. 

6.       Must wear helmet and seatbelt when racing.

7.       Same size tire all the way around truck.

8.       Factory trucks-no cams.

 9. Break out rule of 5 seconds applies to this class. 

 

 

             

 

*** STREET MODIFIED ***

-- Trucks with modifications but street legal --

 

 

1.         Trucks with little modifications but street legal. ROLL CAGE IF FASTER THAN 4.1 OR IF TOP IS REMOVED.

2.         If equipped with other than factory fuel pump - a kill switch is mandatory in the rear (center) of the truck. 

 

3.        Racing seats are O.K. But must have factory dash, compartments, door panels, windows & gauges.

 

4.        Full front and rear bumpers are mandatory.

 

5.        Factor y suspension - Ladder Bars or  one straight bar from the frame to the rear end is okay.

 

6.        Fuel cell or batteries in the bed of the truck is O.K. but securely fastened.

 

7.       No nitrous equipment on the vehicles at all.

 

8.        Break Out Rule: WILL BE SET THE DAY OF THE RACE.   

9.     MUST HAVE SAFETY NEUTRAL SWITCH.

 

 

 

 

***A PRO ***

--- Slightly Modified Vehicles ---

 

 

 

1.       No gutting of the body, except for replacing the factory seat with a racing seat, with a five point harness and fender trimming for tires is okay.

 

2.       All trucks must have all glass windows and windshield, doors panels, bed and dash. Head lights & tail lights required. You can have plexiglass or lexan for a back glass (for roll cage purposes). WINDOW NET RECOMMENDED, WITH NO WINDOW NET DOOR WINDOW MUST BE IN UP POSITION FOR DURATION OF RUN. 

3.       Stock appearing body and full factory frame WITH STOCK SUSPENSION, LOCATION AND CORRECT WHEELBASE....FIBERGLASS HOOD IS OK.

 

4.       Factory suspension with lift kit. No 3 or 4 links, sliders, floaters, or coil over adjustable racing shocks. Ladder bars acceptable.

 

5.       Must have at least 3 main leafs in rear and 2 in the front, mounted in factory shackles. Leaf springs must push truck. SPRINGS MOUNTED TO AXLE HOUSING WITH U-BOLTS,WELDED MOUNTS AND CENTER PINS.

 

6.       Must have front bumper – rear bumper is not necessary.

 

7.       You can have open headers – mufflers are not required.

 

8.        Engine in stock location with #1 spark plug in front of axle. NO ENGINE RELOCATION. 

9.       No Aluminum heads.

 

10.   No Nitrous equipment on vehicles at all.

 

11.   Fuel cells and batteries in the bed of the truck are o.k. but they must be securely fastened and inside frame rails.

 

12.   Maximum of 510 cubic inches. Can be factory or after market block. Any after market small block over 434 cubic inches must weigh big block weight.

 

13.   Kill switch mandatory in rear center of truck

 

14.           Factory steering or rack & pinion is O.K

 

15.           If you run under 4.100, you must have a 4 point roll cage fastened to the chassis

 

16.   Weight:  Small Block – 4000 lbs. With the driver

                        Big Block – 4300 lbs. With the driver

 

17.  Must have neutral safety switch.

18.  Must have drive shaft loops

         ***Super Stock***

1. Suspensions with modifications, coil over racing adjustable shocks OK leaf springs optional

2. Roll cage is mandatory, with racing seat with a five point safety harness and window net.

3.Body must maintain factory appearance, fiberglass is okay. Must have stock frame, no tube chassis or no stretched frames. Must look like a truck. 

4. Maximum set back on engine is 4 inches from #1 spark plug to center of axle.

5. One singel carb. Any 4 barrel carb is ok.

6. No nitrous

7. 555 cubic inches

8. No aluminum blocks ,aluminum heads are ok.

9. Plexiglass or Lexan ok.

10. Fuel cells must be between frame rails of truck and must be securely fastened. Batteries must also be securely fastened and ok if in bed of truck.

11.Compact trucks are ok, if chassis, rules and can weigh the correct weight.

12. Weight: Small Block 2800lb with the driver and Big Block 3000lb with the driver.

13.Must have neutral safety switch and kill switch on the rear of vehicle.

14. Must have full fire suit.

15. No 4 links.

    

     ***Super Street***

1. Full factory body with inner panels with mild gutting allowed. Fiberglass hood ok.

2. All trucks must have all glass windows and windshield, replacement of rear window allowed for roll cage purposes. Window net recommend....with no net windows must be in up position for duration of run.                                                                                                                                                                                                                                                                         

3. Stock appearing body and full factory frame with stock suspension location and correct wheelbase.                                                                                                                                                                                                                                                                                                  

4. Factory Suspension with no 3 or 4 links and no sliders or floaters. Race shocks and ladder acceptable.                                                                                                                                                                                                                                                                                               

5. Must have at least 3 main leafs in rear and 2 in front mounted in factory shackles. Leaf springs must push truck.                                                                                                                                                                                                                                                                                                         

6.  Engine in stock location with #1 plug in front of axle. Aluminum heads ok...must be steel block.                                                                                                                                                                                                                                                                                                

7. Fuel cell in bed of truck are ok must be securely fastened and in frame rails.

8. Must have 4 point roll cage fastened to chassis and 5 point harness.

9. Must have safety neutral switch and kill switch in rear.

10. Factory steering or rack and pinion ok.

11. After market transfer case ok...must have drive shaft loops.

12. Weight     (With Driver)  Small Block.......3600 lbs       Big Block.........3900 lbs

13.        640 Cubic inches maximum engine displacement.

14. Carburetor must retain 4500 base size. Single carb only.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pro  Street

--- Cut Tires –

 

 

 

1.      ANY SUSPENSION

 

2.       ROLL CAGE AND WINDOW NET IS MANDATORY, WITH RACING SEAT AND FIVE POINT SAFETY HARNESS.

 

3.       Body must maintain factory appearance, fiberglass is okay. Must have full factory frame WITH CROSS MEMBERS.  CORRECT WHEEL BASE FOR BODY.

 

4.       Maximum set back on engine is 4 inches from #1 spark plugs to center of axle.

 

5.       One single carb. NO FUEL INJECTION-MUST BE CARBURETED.IF CARBURETOR DOESNT MEET 4500 SERIES BASE SIZE-SEE WEIGHT RULES.

 

6.       No nitrous. SYSTEM MUST BE CAPPED AND UNPLUGGED

7.       Unlimited cubic inches.

 

8.       No aluminum blocks, aluminum heads are okay.

 

9.       Plexiglas or Lexan okay

 

10.   Fuel cells and batteries in the bed of the truck are o.k. but must be securely fastened in frame rails.    

11.   DRIVE SHAFT LOOPS ARE MANDATORY. 

12.   Weight:  Small Block – 2800 lbs With the driver

555 Cubic Inches and under 3000 lbs with driver

556-599 Cubic Inches will be 3100 lbs with driver

600-655 Cubic Inches will be 3200 lbs with driver

656-699 Cubic Inches will be 3300 lbs with driver

700 plus Cubic Inches will be 3400 lbs with driver  

         IF RUNNING CLUTCH AND MANUAL TRANSMISSIONS-ADD 100LBS(UNLESS STOCK) 

13.  Must have neutral safety switch & KILL SWITCH IN REAR.

 

15.  Must have full fire suit.

 

THE FOLLOWING ARE M.R.A. CLASSES

CLASS III (PRO STOCK)

GENERAL

This class is for highly modified stock appearing four wheel drive race vehicles. Altered frames, race bodies and high performance race engines allowed.

BODY

1) Any type of stock appearing truck or Jeep body allowed (must be recognizable per tech approval)
2) Body must extend to and cover all front engine components
3) A firewall and floorpan must be present protecting driver from engine and driveline components
4) Center seat acceptable, must be located no more than 84” from centerline of front axle to the seat back
5) Windshield not required

DRIVETRAIN

1) The main frame of the chassis must contain a minimum of 36 inches of stock frame rail on both sides of the vehicle. The remainder must be constructed of minimum 2 X 3 steel from front to rear. Round tube can be used for additional bracing.
2) Minimum 8 point roll cage required
3) Any type suspension allowed
4) Any style OEM or aftermarket chain or gear drive transfer set ups allowed
5) Dual independent master cylinder brake system required
6) Four independent wheel brakes required
7) Maximum 46” unaltered DOT tires
8) 3000 lbs big block, 2700 lbs small block
9) Maximum wheelbase 130”

 

ENGINE

1) Any automotive type engine acceptable
2) Engine must be located with # 1 spark plug no more than 12” behind the center of the front axle tube
3) No aluminum engine blocks
4) Any type of cylinder head and intake manifold allowed
5) Maximum of 4 barrels of carburetion (split and stretched Dominators allowed, single Predator only)
6) Vacuum pumps and dry sump allowed
7) No nitrous allowed 

Vehicles must meet all safety requirements.
 

 

 

OUTLAW PRO STOCK       

GENERAL

This class is for highly modified stock appearing four wheel drive race vehicles. Competition chassis, race bodies and high performance race engines allowed.

BODY

1) Any type of stock appearing truck or Jeep body allowed (must be recognizable per tech approval)
2) Body must extend to and cover all front engine components
3) A firewall and floorpan must be present protecting driver from engine and driveline components
4) Center seat acceptable, must be located no more than 84” from centerline of front axle to the seat back
5) Windshield not required

DRIVETRAIN

1) The main frame of the chassis must be constructed of minimum 2 X 3 steel or OEM frame from front to rear. Round tube can be used for additional bracing.
2) Minimum 8 point roll cage required
3) Any type suspension allowed
4) Any style OEM or aftermarket chain or gear drive transfer set ups allowed
5) Dual independent master cylinder brake system required
6) Four independent wheel brakes required
7) Maximum 46” DOT tires with alterations (Cuts) allowed
8) 2800 lbs big block, 2500 lbs small block
9) Maximum wheelbase 130”

 

ENGINE

1) Any automotive type engine acceptable
2) Engine must be located with # 1 spark plug no more than 12” behind the center of the front axle tube
3) No aluminum engine blocks
4) Any type of cylinder head and intake manifold allowed
5) Dual carbs allowed gas or alcohol (split Dominators allowed)
6) Vacuum pumps and dry sump allowed
7) Nitrous allowed 

Vehicles must meet all safety requirements.

 

   CLASS IV(MODIFIED CUTS)

GENERAL

This class is intended for highly modified 4 wheel drive vehicles allowing tube chassis, any engine location and aluminum engine blocks. These vehicles need not resemble any factory produced vehicle.

BODY

1) A body is required. It can be constructed from metal, fiberglass or plastic and can be any design
2) A firewall and floorpan must be present protecting driver from engine and driveline components

DRIVETRAIN

1) Chassis material, design and workmanship must meet safety requirements and tech approval
2) Rear engine vehicles roll cage must provide adequate protection to driver legs
3) Any type suspension allowed
4) Maximum 46” DOT tires with alterations (Cuts) allowed
5) Vera Trac and similar tires are acceptable on front
6) Minimum weight with driver 2450 big block, 2150 small block
7) Dual independent master cylinder brake system required
8) Four independent wheel brakes required
9) Maximum wheelbase 150”

ENGINE

1) Any automotive type engine acceptable (aluminum blocks allowed)
2) Multiple carbs, Injection and Nitrous allowed (no blowers or turbos)
3) Gas or Alcohol only, no nitro methane or similar fuel accelerators
4) Any safely constructed competition exhaust allowed

Vehicle must meet all safety requirements.

 

CLASS VI (OPEN PADDEL)

GENERAL

This class is intended for highly modified 4 wheel drive vehicles allowing tube chassis, any engine location, aluminum engine blocks and super chargers. These vehicles need not resemble any factory produced vehicle.

BODY

1) A body is required. It can be constructed from metal, fiberglass or plastic and can be any design
2) A firewall and floorpan must be present protecting driver from engine and driveline components

DRIVETRAIN

1) Chassis material, design and workmanship must meet safety requirements and tech approval
2) Rear engine vehicles roll cage must provide adequate protection to driver legs
3) Any type suspension allowed
4) Paddle tires or maximum 46” DOT tires with alterations (Cuts) allowed
5) Minimum weight with driver 2450 big block, 2150 small block
6) Dual independent master cylinder brake system required
7) Four independent wheel brakes required
8) Maximum wheelbase 150”

ENGINE

1) Any automotive type engine acceptable (aluminum blocks allowed)
2) Blowers, Turbo Chargers, Injection, Multiple carbs, and Nitrous allowed
3) Gas or Alcohol only, no nitro methane or similar fuel accelerators
4) Any safely constructed competition exhaust allowed
5) Blower restraints and belt shield required. Blower and hat blanket and fuel line shield highly recommended

Vehicle must meet all safety requirements.