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2014 New Smyrna Speedway Mini Stocks Rules
Any changes to the rules for 2014 are marked in BLUE
The rules and/or regulations set forth herein provide for the orderly conduct of racing events and to establish minimum acceptable requirements of such events. These rules shall govern the condition of all such 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. Speedway rules 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.
*Speedway Officials shall be empowered to permit minor deviations from any of the specifications herein or impose any further restrictions that in his/her opinion does not alter the minimum acceptable requirements. No expressed or implied warranty of safety shall result from such altercation of specifications.
*Speedway reserves the right to update, modify, and/or delete rules at any time deemed necessary to insure safety, fair competition or any other reason that may be appropriate.
*Any interpretation or deviation of these rules is left to the officials. Any decision of and by Speedway Officials is final.
*Unsportsmanlike-like conduct can carry a minimum $100.00 fine and/or suspension. Any and all fines will be added to the point’s fund at the end of the racing season.
* Any competitor that finishes in the top 5 may be required, at their expense, to remove the intake, heads, and/or oil pan for inspection purposes.
*All cars must go through technical inspection prior to car taking to the track for practice. Cars will be weighed with driver, and may be done prior to or after qualifying and prior to or after the feature. Reading of designated scales will be official.
PLEASE BE SURE YOU HAVE READ AND UNDERSTAND THE GENERAL RULES,SAFETY RULES AND DRIVER SAFETY EQUIPMENT BEFORE CONTINUING.
The word STOCK used within this set of rules means as originally produced by the manufacturer for that make/model/year of car with no altering or modifications. Stock replacement parts ok. Must be same dimensions, weight, and/or volume as OEM part. Determination of whether an aftermarket part is legal will be the tech inspectors decision.
NO CARBON FIBER OR TITANIUM PERMITTED ANYWHERE ON CAR. NO BUMP STOPS. NO TRACTION CONTROL DEVICE(S) OF ANY KIND.
No mixing of parts, must be Chevy on Chevy, Ford on Ford, Dodge on Dodge unless otherwise noted.
IF IT DOESN’T SAY YOU CAN, YOU CAN’T!
CHASSIS:
A. May be stock or tubular frame.
B. Must have stock front cross member, stock upper and lower control arms and spindles.
C. One piece sway bar (aftermarket allowed), any location, mounting optional, any diameter.
D. Any stock chassis with full firewall, floor pan and suspension mounts will receive a 50 lb. weight break. (Must be approved by Officials before race.)
E. Rear Suspension: Must maintain stock configuration. (Mustangs must have coil springs with 4 link trailing arms.) (Pintos must have leaf springs.) Panhard bar allowed on coil spring cars, mounting optional.
F. Must have 4” ground clearance, body and frame. No pulling up on car in tech line.
G. Front windshield required. Must be LEXAN. Rear window permitted. Side windows no longer than 10”, measured at corner of door and roof rail. Rear window braces on inside only. Must have 14” opening from door to roof.
H. NO roof rails; NO rear window rails; NO window trays.
I. Bumper measurement from ground to center of main bar will be minimum 16” – maximum 19”.
J. Rear body panel must cover rear of car to center of bumper.
K. Nose piece optional.
BODY:
A. Spoiler: Maximum 6” height/ May not exceed width of deck.
B. Side windows may be no longer than 10”. Must have 14” minimum opening from door to roof.
C. Maximum 3” body rake from front of door to the rear of rear quarter.
D. No side panels, wings or fins
ROLL CAGE:
A. Main roll cage must be minimum 1 ½” O.D., .095 wall thickness.
B. Bars must be welded to frame and have 4 protective bars on driver’s side and 3 protective bars on passenger side. (NO square tubing.)
C. All cages must meet approval of Officials.
FUEL/FUEL CELL:
A. FUEL CELL MANDATORY.
B. 12 gallon maximum with foam; must have check valve.
C. 9” minimum ground clearance and rear protection bar minimum 1-1/4”, .095 bars; 2 straps minimum 1” width, surrounding the ENTIRE fuel cell.
D. Fuel cells must be bolted. NO RIVETS–NO SHEET METAL SCREWS.
E. Location of fuel cell MUST be approved by Tech Inspector.
F. FUEL: See SAFETY EQUIPMENT. Fuel must go from the fuel cell to the carburetor and cannot pass through any performance enhancing “devices”. NO ELECTRIC FUEL PUMPS.
G. Protection bar must be lower and wider than fuel cell
SUSPENSION:
A. Shocks: Any steel body racing shock is permitted. Must maintain stock components. This is not a claim rule. No adjustable shocks or struts.
B. Springs:
1. Coil: Any coil spring that will fit into bucket with NO modifications to buckets. Wedge bolt adjusters allowed.
2. Leaf: Stock main leaf for car. Number of leafs optional. May use clamps. May cut secondary leaf. Sliders permitted with wedge bolt adjusters.
3. Struts: Strut cars may use Tech approved coil over adjusters if chassis came stock manufactured with coil springs on struts. May elongate slots for caster/camber adjustments.
C. Steering: Steering box and components must be stock and in stock location. (May run heim ends on tie rods.)
D. Brakes: May run disc brakes. NO aftermarket brake parts; calipers, rotors or drums. NO drilled rotors. Any pedal, master cylinder-proportioning valve set up.
ENGINE:
A. Stock location (2” tolerance).
B. Engine and body by same manufacturer. Year of engine is interchangeable.
C. NO more than 2 valves per cylinder. (Unless approved by Officials.)
D. Engine size must be painted on hood.
E. Ignition:
1. One 12-volt battery only.
2. Electronic ignition permitted. MSD type boxes permitted.
3. NO coil packs or crank trigger fired ignitions.
4. Must have battery disconnect switch clearly marked on/off.
F. Carburetor:
1. Holley 4412 or smaller carburetor allowed. (Must pass Track gauges.)
2. Spacer/adapter maximum 1.65”, including gaskets.
3. May use air box.
4. May remove choke plate.
5. Throttle rod shaft screws may not be trimmed.
6. Any illegal carburetor will be confiscated and disposed of at race director’s discretion.
7. NO electric fuel pumps.
8. Do not run fuel line through driver’s compartment.
9. Minimum of 2-throttle return springs.
G. Intake Manifold: Stock. Modification allowed for 4412 where no adapter is available. You cannot take advantage of this rule to improve airflow. The purpose of this rule is to only connect carburetor to intake.
H. Heads: Stock for the type of engine used. Stock diameter valve for engine used. No porting, polishing or clean up of any kind. May be milled. Cylinder head boss may be cut down for the short adjusters (2300). May have 3 angle valve jobs. No more than 75 degrees and no deeper than ½” from valve seat. No pocket porting under valve seat. Valve spring pocket may be cut .0100” deeper or may run long valves; stock head/valve diameter. Stainless steel valves allowed. Must have matching head & block. ie: 2000 block/2000 head; 2300 block/2300 head; 2.2 block/2.2 head; valve retainers optional.
I. Pistons: Any 3 ring flat top pistol. (Toyota may run dome pistons). Pistons must be flush or below the deck of the block.
J. Camshaft: any cam and kit. NO rollers. May run adjustable cam sprocket
K. Crank: Stock crank for motor used. Balancing on bottom of counterweight only. May grind on bottom of counterweight to balance only. No knife edge and no changing the counterweight profile. NO other grinding, polishing or lightening of any kind. Stock stroke =/- .010. Must be stock weight.
L. Rods: Any steel rod permitted.
M. Clutch/Pressure Plate: Stock diameter clutch and pressure plate. May run solid center disc.
N. Fly Wheel: Optional. Stock – 8 lb. minimum.
O. Engine placement must be 89 inches from center of rearend to where the bellhousing bolts to the back of the engine.
TRANSMISSION:
Stock standard or automatic (torque converter included). Must all reverse and forward gears working. No lightening or removing gears.
DIFFERENTIAL:
Any stock steel passenger car rear end. Must be centered in car. Must be locked. No aluminum. No clutched differentials. Drive shaft steel or aluminum.
WHEELS & TIRES:
A. 8” wheels only.
B. Track Approved 13” tires only.
C. Tread Width – 64” measured from true center of tires at spindle height (1” tolerance).
D. Maximum wheelbase – same as chassis used (1” tolerance).
E. No Bleeders.
WEIGHT:
Minimum weight for all cars, 2000 lbs.
A. Minimum weight:
2000 engine 2000 lbs.
2.2 engine 2200 lbs.
2300 engine 2250 lbs.
55% left side. Front wheel drive cars may not have more than 58% front percentage weight after race.
