VCSU Hobby Stocks

RULE BOOK DISCLAIMER: The rules and /or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events and, by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATIONS OF, OR COMPLIANCE WITH, THESE RULES AND/OR REGULATIONS. They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator or official.
The race directors shall be empowered to permit minor deviations from any of the specifications herein or impose any further restrictions that in his/her opinion do not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF SPECIFICATIONS. Any interpretation or deviation of these rules is left to the discretion of the officials. THEIR DECISION IS FINAL.

A. BODY RULES

1. Any American made car with a minimum factory wheelbase of 108 inches.
*Metrics, Nova’s, Camaro’s, and El Camino’s allowed for 2013. Rules may be adjusted on these cars to maintain a level playing field.
2. No vans, trucks, or convertibles.
3. Minimum weight with driver: 321 cu. in or less = 3400 pounds, 322 to 367 cu. in. = 3600 pounds, over 367 cu. in. = 3800 pounds.
4. No reinforcing, cutting apart, welding or modifications of anything on the vehicle is allowed except as specified.
5. All glass and burnable materials must be removed.
6. Hood may be gutted.
7. Front wheel wells may be removed.
8. Doors may be gutted for door bars only,
9. No gutting of rear wheel wells, steel interior panels or trunk floor (see K-6, FUEL CELLS).
10. All doors must be welded shut.
11. Engine must remain in original position.
12. A driveshaft hoop is required and must be located 6 to 12 inches behind front u-joint. The hoop must be made of 1/4 x 2 steel and, if bolt-in type used, must be mounted with graded hardware. Hoop must be 360 degrees around shaft. NO chain allowed. Driveshaft must be painted white.
13. Rear bumper must be stock mounted and tied to rear fenders with straps.
14. No gutting of bumpers — front or rear.
15. A short piece of 3/8 chain must be bolted through a hole in the bumper and a hole in the frame to prevent the bumper from falling off. This applies to both front and rear bumpers.
16. Any stock front bumper is OK. You may replace your factory shock absorber mount with pipe no larger than 1 3/4″ .095 tubing and brace any bumper using the same material no wider than 48″ behind the bumper. Straps from front bumper to fender are allowed and recommended.
17. Body must match frame and wheel base.
18. Rub bars may be used on the sides of the car, but must be mounted to the body. They cannot be tied to the roll cage. Rub bar maximum 2″ tubing with tapered ends.
19. Sheet or roll plastic or nose piece may be used.
20. No enclosed cockpits.

B. ROLL CAGE

1. A six (6) point roll cage is mandatory: Main cage must consist of 1.75 inch O.D. tubing, with a wall thickness of at least .095 inch. There must be one post by each windshield post and two behind the driver with all four connected at the top with a roof hoop. You must have an angle brace from the driver’s front of the roof hoop to the right rear of the roof hoop. You must have an angle brace running from the upper right corner to the lower left corner behind the driver. The two back bars must run from the top left and top right of the roof hoop to the rear of the car. We recommend a protective bar running from the front left cage post forward and down to the frame to protect the driver’s foot area. There should be a minimum of 3 from the top of the cage to the top of the drivers head.
2. Minimum of four (4) 3/8 windshield bars.
3. Minimum of three (3) door bars on the left side. Must be 1.75 inch O.D. tubing, with a wall thickness of at least .095 inch.
4. No offset cages.
5. No set back cages.
6. X-bracing under car is allowed.

C. SAFETY BELTS AND SEAT:

1. Each driver must have a fire extinguisher in his/her pit.
2. Aluminum racing seat only. No fiberglass seats. No composite material seats. Seat must be mounted in stock location and not set back.
3. A tail light in the rear window is required and must be on at all times.
4. Must have 5-point racing harness. Seat belts must consist of a 3 inch lap belt and double 3 inch shoulder belts that release with one mechanism.
5. A driver’s side window net is mandatory. Window net must be mounted with solid mount at the bottom of the window and latch at the top. Latch must be readily accessible by both driver and safety personnel.
6. Shoulder belts should be mounted a minimum of 6 lower then driver’s shoulders to keep the driver down in the seat in case of a rollover. Shoulder belts cannot be more than 5 years old.
7. Helmet must be a Snell approved full-face helmet. All helmets must have at least SA2005 rating.
8. MUST have fire retardant driving suit.
9. Neck brace made of a fire resistant material is mandatory.
10. Fire resistant gloves and shoes are highly recommended.

D. ENGINE. STOCK!!!

1. Stock cast two barrel intake ONLY. No porting, polishing or gasket matching!
2. No aluminum intakes. No carb adapters or spacer plates.
3. No porting of heads or intake or exhaust manifolds.
4. Flat tappet hydraulic camshafts only. No roller cams or roller lifters allowed. No mushroom or step lifters allowed. No machining permitted to install cam or lifters. Must be able to remove lifter from top of lifter galley at any time. No truing of lifter bore.
5. Stock log type manifolds only. No center dump exhaust manifolds. No headers. No Vortec manifolds
6. No double hump heads. No Vortec heads. (Casting numbers NOT allowed: 186, 462, 461, 461x, 492, 432, 041, 040, 370, 10239906.)
7. NO roller tip rockers, NO roller rockers.
8. Heads must match engine. For example: 305 heads on 305 block.
9. Stock pistons. No flat-top pistons in 400 cu.in. engine. No domed pistons. Cast piston with 4-value relief only. No forged pistons. No Keith Black, or light weight racing pistons, etc.
10. Piston must sit below deck of block.
11. Head cannot be angle milled.
12. Stock stroke. Crank must match block. No offset grind.
13. Rods must match block. No lightening, grinding, knife edging or polishing of any type. No bushed or floated rods.
14. Balancing is allowed.
15. Stock two-piece balancer only.
16. No aluminum other than stock for that engine. No aluminum water pumps.
17. Aluminum pulleys allowed.
18. Stamped steel rockers only. No stud girdles. No guide plates. Valley pans allowed.
19. Valve springs must be stock diameter for heads being used. No helper springs. No beehive springs
20. Stock appearing oil pan.
21. Maximum engine compression allowed is 9.5:1.

E. CARBURETORS AND FUEL:

1. One 2-barrel carburetor only.
2. No front-bowl Holleys. No Marine carbs or intakes.
3. All carburetor components must be STOCK.
4. No milling or grinding allowed.
5. Choke can be removed but not the air horn.
6. Must have stock measurements.
7. No electric fuel pumps.
8. Fuel must be pump gasoline only. 10% ethanol-enriched gasoline may be used. No alcohol, no nitrous oxide or nitro, no nitrous devices allowed. No methane or propylene oxide allowed.
9. Central Dakota Pure Stock restrictor plate required. Total thickness of gaskets and plate (from intake to bottom of carb) cannot exceed 5/8″. Gaskets must be OEM replacement gaskets. NO plastic, wood, aluminum or any other foreign material or homemade gaskets.
10. Gas pedal, including the use of a racing pedal, must be mounted in stock location on the firewall.

F. IGNITION:

1. Ignition must be either point system or stock electronics (HEI). No super coils.
2. No multiple spark boxes (like MSD).

G. RADIATOR:

1. You are allowed to have 2 copper radiators or 1 aluminum radiator.
2. Radiator (Stock or Aluminum) must be mounted to Stock OEM radiator support and remain in original position and be operable. Some fabrication or reinforcing of mounting brackets will be allowed as needed for a safe installation. The portion of the radiator support that extends outside the frame rail may be replaced with pipe to tie the fender to it. The portion inside the frame rails must remain stock.
3. Extra cooler may be used if using a copper\brass radiator. It must be mounted inside the car and shielded from the driver. Absolutely NO Aluminum radiators in the rear, stock or not

H. TRANSMISSION AND REAR END:

1. Stock 3-speed automatic transmission only. Must be fully functional with three forward gears and working reverse. No lightening or removal of internal parts allowed.
2. No powerglides allowed. No straight stick transmissions allowed.
3. Only 350 and 400 transmissions allowed in GM. Transmissions in other brands subject to approval.
4. Transmission is subject to teardown / protest.
5. Stock diameter torque converter only. (Stock to transmission being used.)
6. No modified torque converters.
7. Posi-traction or welded rear ends are OK. 4:11 gears or less. Aftermarket mini spool allowed. No full spools allowed.
8. No inner marriage of rear ends and transmissions.

I. BATTERY:
1. The battery must be moved inside the car and must be covered and securely fastened. (NO TARP STRAPS).
2. One battery only — must be 12 volt.

J. BRAKES AND SUSPENSION:
1. Brakes must be factory stock including master cylinder.
2. Drum brakes on rear of car only.
3. All cars must have 4 working brakes at all times.
4. Brake pedal must be of stock length for the make and model of car and must be stock mounted to the firewall.
5. No altering of suspension or steering. Steering shaft with u-joints or slip joint is OK. All suspension parts must match frame.
6. No racing shocks. NO filing of numbers off shocks. Bilstein, Carrera, etc., “stock replacement shocks” are NOT stock shocks and are, therefore, not allowed. No “helper” springs on shocks (coil-overs).
7. Front springs must be at least 5″ in diameter and at least 12″ in length.
8. Springs must be stock mounted and rear springs must have pigtails on both ends.
9. All springs must be tight in the pocket without the use of any shims or adjusters. No sliders on leaf cars. No multiple holed shackles.

K. FUEL TANKS:
1. Fuel tanks must be moved into the trunk area. Trunk floor may be gutted for fuel cell BUT no more than 2 inches around cell. If fuel cell protrudes below trunk floor, a fuel cell guard must be in place. This guard will consist of a piece of tubing, minimum of 1 1/2 inches in diameter, 1 inch below the cell and from frame rail to frame rail. The bottom of the fuel cell cannot be lower than the bottom point of the stock frame rail. Cell must be mounted to the roll cage.
2. Maximum capacity of fuel tanks not to exceed 10 gallons. Fuel CELLS may be larger.
3. There must be a firewall between the driver and the fuel tank.
4. Fuel tank must be securely mounted using a minimum of two (2) 2” steel straps.
5. If a fuel cell is used, it must be in a metal container.

L. TIRES AND WHEELS:
1. DOT (street design) or used racing tires are allowed.
2. DOT tires with no wider than 8” tread width allowed, with P255/60/R15 being the largest tire allowed. No series less than 60 allowed. Tires must be Passenger Series – no grips, snow tires, or truck tires. No defacing of tires. No grooving or siping of street tires.
3. Hoosier E-Mod, H-35, H-40, Dirt Stocker, and G-60 (with IMCA stamp) are the racing tires allowed. Tires must have 6/32 of an inch or less tread depth prior to a race – no tolerance. Racing tires may be grooved and siped. No late model or sprint car style tires allowed.
4. If a racing tire is used for one tire, matching tires must be used on all four corners.
5. 14″ or 15″ by 8″ Steel wheels. Chrome or white spoke allowed.
6. 15×8 inch racing style rims are allowed. Rim offsets must match on all four rims. No 1 inch offset rims. No beadlocks.
7. No wheel spacers.

M. GENERAL RULES:
This class is designed for stock street cars only. NO high performance or racing parts allowed on this car. Suspension, engine and drive train must remain STOCK. Any areas not covered in the above rules shall be left up to the discretion of the management. If in doubt — ASK. We will uphold the intent of the rules.

N. NUMBERING:
Cars must be neatly numbered using numbers from 1 through 99. Numbers must be at least 18” high and 10” wide with a body of 3”. Numbers must be painted on the door on both sides of the car and the roof. A 6” by 6” plate with the number painted on it must be placed in the front window and the rear window. All numbers must be of contrasting color to the car. Do not incorporate graphics into your number. Simple block numbers using the above dimensions and of a contrasting color are the easiest to read. Do NOT paint number on the rear quarter panels. Do NOT use shiny reflective or prismatic type decals.

O. CAR APPEARANCE
All cars will be kept neat appearing. Tin hanging off cars and/or sharp edges will not be tolerated.

P. TRACK OFFICIALS MAY TEARDOWN ANY CAR AT ANY TIME.

Milnor Fabrication Mini Stock

The Mini Stock class rules are designed for the new racer who seeks experience in the preparation of a race car with minimal expense. Freedoms are given in the chassis and body areas in order to gain experience in the tuning and operation of these parts. The engine and drivetrain however, is to remain strictly stock. The idea of this class is to expose new racers to the sport and allow them to develop their driving and maintenance skills while keeping the cost low and the fans entertained.

Eligible Vehicles:

1. Cars:
a. Any front wheel drive or rear wheel drive car with a four-cylinder allowed
i. No super-charged, turbo-charged or HO engines
ii. No Convertibles or T-Tops

2. Trucks:
a. Any compact regular cab or extended cab truck with a wheel base between 101” to 110”
i. No four wheel drive or front wheel drive trucks

Body, Appearance, and Interior: 
1. Cars:
a. All glass, trim, mirrors and lights must be removed
b. Doors must be welded shut
c. Hood & trunk pinned shut
d. Floor pan, roof, and trunk floor must remain stock and unaltered
i. No gutting allowed
e. Body panels may be trimmed to allow for tire clearance and repairs
i. Sheet metal may be used to maintain a clean stock appearance
ii. Keep wheel opening to a minimum
iii. No sharp edges allowed
f. Front and rear bumpers may be replaced with 1 ¾ round or 1 ¾ square tubing no thicker than .095” wall
g. No trailer hitches or receivers
h. Front bumpers must be covered with plastic or stock bumper cover
i. Grill guards and spoiler guards maybe added and may protrude through bumper cover to provide durability and protection for radiator
i. Rear bumpers may be left uncovered, but must be neat in appearance and edges must be rounded
i. Upper and lower guards maybe added to provide durability and fuel cell/tank protection
j. Rub rails, plates allowed
i. No sharp edges
ii. Must begin and end within 12” of the closest edge of each tire

2. Trucks
a. All glass, trim, mirrors and lights must be removed
b. Boxes may be trimmed and removed
i. Box sides, tailgates, and box cover of steel or aluminum required
c. Cabs must remain stock with no trimming allowed.
i. Cabs must be within 1” of stock location on frame
ii. Doors maybe replaced with sheet metal to allow for roll cage installation.
d. Inner fenders maybe removed
e. Front and rear bumpers may be replaced with 1 ¾ round or 1 ¾ square tubing no thicker than .095” wall
f. Bumper may attached to frame at only one point and with no grader than 1 ¾ round or 1 ¾ square tubing with a thickness of .095” or less
g. The lowest part of the front bumper must be within 24” of the ground
i. A lower guard may be added to achieve distance
ii. No guards allowed higher than the stock frame rail
iii. Front bumper must be covered with plastic or bumper cover
h. Rear bumpers may be left uncovered, but must be neat in appearance and edges must be rounded
i. No guards allowed higher than the stock frame rail
ii. Rear bumper must be within 24” of the ground
i. Rub rails, plates allowed
i. No sharp edges
ii. Must begin and end within 12” of the closest edge of each tire

Roll Cage and Construction
1. Cars/Trucks
a. Driver assumes responsibility for roll bar installation and workmanship
b. Roll bars must be padded for protection of driver
c. The roll cage must be constructed with low carbon steel round tubing with a minimum of 1 ½” OD with a wall thickness of at least .095”.
i. No aluminum
ii. The roll cage must consist of the following
1. A vertical hoop located within 3” of the cars original B-pillar location on both sides
a. If mounting to the floor: 8” square steel plates at least 1/8” thick are required for both sides
b. A horizontal bar must run across car connecting to each end of the vertical hoop
c. A cross bar must run from the driver’s side top to the passenger’s side lower, intersected in the middle by the horizontal bar

2. A halo that is within 2” of the roof and welded to the vertical hoop

3. Two (2) front posts that run within 2” of the Stock A-pillars and welded to the halo
a. If mounting to the floor: 8” square steel plates at least 1/8” thick are required for both sides

4. A horizontal dash bar that connects the front post to each other

5. A minimum of three (3) driver side door bars that fit tightly against the outer door skin, as far away from driver as possible

6. A minimum 1/8” thick plate that covers the outside of the entire door bar assembly
a. Plate should be welded in as many places as possible

7. A minimum of two (2) passenger side door bars

8. Two (2) vertical hoop supports the run from the top of the vertical hoop to the rear frame or sub-frame at an approximate 45 degree angle
a. If mounting to the floor: 8” square steel plates at least 1/8” thick are required for both sides
iii. Bars may pass through the front firewall but must terminate before passing the leading most front edge of the engine
iv. Core support hoop maybe added in front of radiator if it complies with all of the following:

1. The bumper provides no protection for the radiator

2. The Support must not be connected to any of the bay bars
a. It may be braced with 45 degree supports that terminate for the engine

3. It is no larger than 1 ½” tubing with a maximum wall thickness of .095”
v. Gussets should be used where possible to provide additional strength
d. A minimum of four (4) ¼” windscreen bars required in front of driver for protection
i. Screen highly recommended in addition to windscreen bars
ii. No windsheilds

Engine and Drivetrain
1. Cars
a. Stock Engines with stock parts only
i. No modifications allowed
ii. Must match make and year
iii. Carbureted engines allowed to run the 2G Rochester or 350 CFM Holley
b. Engine must be in stock location and in stock mounts
c. Stock Transmissions, No modifications allowed
i. No lightening of parts
ii. Stock flywheels and clutches only
d. Factory stock axles and differentials only
i. Add 150 pounds to car weight for locked differentials

2. Trucks
a. Any 2.3 liter or smaller engine allowed in any truck
i. Must be stock engine with no modifications
ii. Carbureted engines allowed to run the 2G Rochester or 350 CFM Holley
b. Engine must be in stock location and in stock mounts
c. Stock Transmissions, No modifications allowed
d. No lightening of parts
e. Stock flywheels and clutches only
f. Factory stock axles and differentials only
i. Add 150 pounds to car weight for locked differentials

Suspension 
1. Cars
a. Struts/shocks must be stock or stock replacement
b. Springs maybe modified to improve handling
c. Mounts may be modified to improve camber and caster
d. Car must maintain stock wheel base to within +/- 1”
e. All components must be stock or stock replacement, no made for racing parts

2. Trucks
a. Struts/shocks must be stock or stock replacement
b. Springs maybe modified to improve handling
c. Mounts may be modified to improve camber and caster
i. Rear leaf spring mount may be moved to lower truck
d. Car must maintain stock wheel base to within +/- 1”
e. All components must be stock or stock replacement, no made for racing parts

Wheels and Tires 
1. Cars/Trucks
a. Any stock wheel no wider than 7” allowed
i. Racing wheels no wider than 7” allowed with 50 pound penalty
b. Any street tire allowed with a “P” rating
i. No racing or snow tires allowed
c. Oversized lug nuts recommended

Fuel and Delivery 
1. Cars/Trucks
a. Stock fuel tanks located forward of the rear axle maybe used
i. Any tank located behind the rear axle must be replaced with a fuel cell and securely fastened in the trunk
ii. Firewall must separate fuel cell from driver
b. Race fuel not allowed

Safety 
1.Cars/Trucks
a. A full face Snell SA2000 or newer helmet required
b. Full length fire retardant suit required
c. Gloves highly recommended
d. Aluminum race seat required
e. Five point driver harness no more than 5 years old required
f. Driver side window net required

Weight 
1. Cars
a. Base Weight for all cars is 2400 pounds with driver in the car. A Sheyenne River Speedway weight sticker will be required on right front fender. Failure to display sticker is an automatic disqualification.
i. 100 pound weight break for engines 2.0 liters and smaller
ii. Add 50 pounds for race wheels
iii. Add 150 pounds for locked differential
iiii. Double overhead cams add 200 lbs

2. Trucks
a. Base Weight for all trucks is 2500 pounds with driver in the truck. A Sheyenne River Speedway weight sticker will be required on right front fender. Failure to display sticker is an automatic disqualification.
b. 100 pound weight break for engines 2.0 liters and smaller
c. Add 50 pounds for race wheels
d. Add 150 pounds for locked differential