AMDC

AUSTRALIAN MODLITES & DWARFCARS PTY LTD

2008
RACING LEAGUE

 

RULES of COMPETITION

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2008/2009 Regional Points Structure

1 – 120
11 – 90
21 – 70

2 – 114

12 – 88

22 – 68

3 – 109

13 – 86

23 – 66

4 – 104

14 – 84

24 – 64

5 – 102

15 – 82

25 – 62

6 – 100

16 – 80

26 – 60

7 – 98

17 – 78

27 – 58

8 – 96

18 – 76

28 – 56

9 – 94

19 – 74

29 – 54

10 – 92

20 – 72

30 – 52

 

 

Non-Qual – 50

 

As of START OF SESAION, 2008
AUSTRALIAN MODLITES AND DWARFCARS PTYLTD shall hereafter be referred to as AMDC throughout the rules and descriptions.  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 director shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in his 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

GENERAL RULES

1. AMDC race rules shall apply to all AMDC sanctioned events.  Driver must hold a current NASA competition license in order to compete in Championship and cub events.
2. All AMDC vehicles are subject to inspection at any time.
3. Approval of an AMDC vehicle by the inspector shall mean only that the vehicle is approved for participation in a competitive event and shall not be construed in any way to mean that the inspected AMDC vehicle is guaranteed mechanically sound. Be it further declared that the inspector shall not be liable, nor shall the sanctioning body, for any mechanical failure not for any losses, injuries or death resulting from same.

SPECIFICATIONS

1.  BODY STYLES
Any car specifications not covered in these body specs are subject to AMDC interpretation.  Any significant performance advantage will be addressed on an individual basis.  AMDC reserves the right to determine what constitutes an unfair advantage.

Modified appearing body style such as or DIRT modified...
A 1928/1948 American made production vehicles only.5/8, scale vintage , two doors sedans, coupes, or pick up trucks (hotrod) style .These are to be known as Classis Modified Body’s Styles
B MODIFIED appearing body style such as DIRT MODIFIED  These are to be known as Mod Lite  body styles .
C All chassis specifications are the same for both body styles
2. BODY REQUIREMENTS AND SPECIFICATIONS
A CLASSIC MODERFIED/DWARF CAR
A Body must be 5/8 scale , stock appearing. Maximum outside tyre width 60’’ / 1524mm
Cars must pass through a hoop 60 ½’’ (1536.5mm) wide by 50 ‘’ 9(1270mm) high. 73’’( 1854.2mm) Wheel base  plus or minus 1 inch (25MM).
1. Must have grill shell or simulated open radiator matching original body style , any material .
2. Doors, windows cowlings must retain stock appearance  hood louvers allowed for cooling ,  but must  maintain stock contours .
3. Engine compartment must conform to scale and match contour of body. Hole may be cut for breather clearance only .Ram induction system prohibited
4. Must closed truck lid or fully enclosed trunk access panel  confirming to original body lines .Louvers allowed no holes .
5.  NO fenders.
6. NO wings or spoilers
B Body will be metal construction, 26/guage steel or .040’’ inch (1.016mm) aluminum minimum.
Fiber glass or plastic grill shells allowed. All exposed edger’s must be folded or trimmed over. No lips or spoilers or any kind.
C NO OPEN TOP cars (roadster, convertibles) . no panel trucks , station wagon or specialty cars
D DWARF CARS CLASSIC MODERFIED OVER ALL DIMENSIONS.
1. Total Length - Bumper to Bumper 124’’ equals 3149.6 mm
2. Total Width – to out side of tyre 60’’ equals 1524mm.
3. Body Width 38’’= 965.2MM. Maximum frame width 34’’min 30’’
4. Ground to roof 50’’ = 1270mm.
5 Bottom rail to top 44’’= 1117.6mm.
6. Wheelbase – left 73’’ = 1854.2mm.
7. Wheelbase - right 73’’ = 1854.2mm +or – 25.4mm.
8. Nerf Bar – not more than out side wheels 1 inch = 25.4 mm.
9. Front bumper –
Loop 6 ‘’ – 8 ‘’ =152.4mm – 203.2mm
Ground to min 12 ‘’ =304.8mm
Max 16’’ = 406.4 mm
Width max 30’’= 762mm
Forward of tyres max 12 ‘’= 304.8mm
Back bumper 
Loop 6’’- 8’’ =152.4mm -203.2 mm
Ground to top mi n 12’’ = 304.8 mm
Max 16’’ 406.4 mm.
Width 56’’ =1422.4 mm.
Behind body max 8 ‘’ = 203.2mm
Seat
Bottom from centre spindle max 63’’ = 1600.2mm
No part of seat beyond 70’’ = 1778mm
Brakes
Wheels all four  rotors minimum.250’’ =6mm
No surface less than .750 ‘’ =19mm.
Hubs must be within  from main rail to vertical of rotors either side .5’’  =12.7mm.
Trailing arm max 30 ‘’ =762 mm
Tail sharft loops by 2  must be 360 degree .
Engine set back
Not extend reward square of ports 17 ‘’= 431.8 mm
No part past 21’’ = 533.4mm.
Wheel size 13’’ =330.2mm
Wheel width max 8’’ ==203.2mm.
Numbers 
Side height 12’’=304.8mm
Side stroke 2’’ =50.8mm
Front and back 4’’ = 101.6mm.
 

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 MODIFIED LITE
The intent of these preceding specifications is to follow the bodyline and design of an exciting  or DIRT modified racecar.
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 (a) OVERALL DIMENSIONS

  1. 42" min 50" max from ground - total car height.
  2. 124" maximum total length, bumper to bumper.
  3. SIDES AND REAR QUARTER PANEL
  1. 84" max - Door and rear quarter length.
  2. 30" min 38" max - side height of rear quarter panel from the ground.  30” max height of quarter panel.
  1. HOOD
    1. 20" min 27” max - hood height excluding breather protectors (bottom of frame rail to top of hood). Ram air induction system prohibited.  Rear of hood becomes part of windshield area rules.  No part of nose section (in front of spindle centerline) may be wider than a maximum of 24”. Hood may taper out to door panels at the rear.
  1.  ROOF PANEL
  2. 40" min 48" max - length of roof panel.  36" min 42" max - width of roof.

No part of roof panel may have more than 14o of angle rake.  No deflector of any type on upper sides or rear of roof panel.  Roof entrance hatch optional.

REAR UPPER QUARTER PANEL

  1. 20" min 38" max rear upper side panel may contain Plexiglas.  Side panels maybe no higher than 3" at the rear of the straight line of quarter panel top edge.  Side panel may be no higher than an imaginary line from the rear edge of roof panel to 3” above the top edge of the rear quarter panel.

         H.   SIDE WINDOW

  1. 18" min side opening length. 10" minimum side opening height front and rear.

         I.     INTERIOR

  1. 46" min 50" max - width of rear shelf and body panels. Rear shelf may have no more than a 5o max rake and may not be concave or convex in design. No lips or spoilers of any kind. The rear frame area from the rear shelf downward a minimum of 16” must be completely enclosed the width of the frame.  Louvers allowed no holes.
  1. ADDITIONAL INTERIOR SPECIFICATIONS
  1. 36" min 56" max - length of right side pod area with max 30o.  Left side pod may be altered for driver access.
  2. Rear quarter distance from center of rear 20" min 30" max.
  3. Cockpit cover with a max of ½” lip will be permitted providing the on/off cutoff switch is reachable from outside the car by safety personnel.        
  4. Deck lid height from ground 30” minimum, 36” maximum with NO rear lip extending upward.
  5. Side pod may not extend rearward past the centerline of rear axle.
  6. Body must be centered on chassis.
  7. If windshield is used, it must be flat.
  8. All body dimensions will be teched + or – ½” unless otherwise specified.

2c. JUNIOR RACING LEAGUE (JRL)
(a) All AMDC rules for MINI MODS  divisions, as contained in this manual, shall govern the JUNIOR RACING LEAGUE SERIES with exception of the following: *(suggested age group 12-18 years of age)

  1. (Ref. rule #3) Weight – All JRL cars shall weigh a minimum of 1100# with driver after race
  1.  (Ref. rule #11) Engine – Only allowable engine will be a stock spec 2000 to 2005, 600 cc sealed by or under the control of ,or AMDA
  2. Track may have the OPTION of enforcing a rear gear rule
  1. (Ref. rule #15f) Suspension – Shocks may be “PRO SB Series Shocks”, or “Bilstein S6G Series Shocks”.
  2. (Ref. rule #15m) No torque absorbing devices.
  3. All cars must run either HOOSER 205 or 215 tires on all corners.

3.  WEIGHT       

(A) All cars following (a) AMDA Spec Motor” program must weigh a minimum of 1240 lbs, with driver after race.
(b) All cars following (b) “AMDA Open Motor” program, smaller than 1100 cc and all air cooled and oil cooled engines, regardless of size, must weigh 1300 lbs, with driver after race.
(c) All cars following (b) AMDA Open Motor” program, larger than 1100 cc must weigh 1340 lbs with driver after race
(d) No weight outside of car body, i.e. on nerf bars
(e) Hood will be clearly marked with cc displacement and minimum weight as outlined in Engine Specification, Paragraph 11.
(f) This weight program will be monitored for parity and competitiveness and may be changed at the discretion of AMDC

4.  BUMPER DIMENSIONS

(a) Front maximum width 30", Bumper height 6” to 8" with 2-bar loop. Ground to top of bumper: 12” minimum, 16” maximum.  Bumper may not extend more than 12" forward of front tires.
(b) Rear maximum width 56” with 3 vertical bars. Bumper   height  6” to 8" with 2-bar configuration. Ground to top of bumper: 12” minimum, 18” maximum. May   not extend more than 8” behind rear body panels.
(c) Bumpers must be hollow with max wall thickness of .125

5.  FIREWALL

(a) Firewall must be metal and must completely separate engine compartment from cockpit. Engine protruding into cockpit must be enclosed.

6.  WINDSHIELD

(a) Windscreen, wire mesh, or protection bars.  .  All other cockpit areas must remain open.  Deflectors may be used in front of driver.  May be no wider than roll bar area.

7.  NERF BARS

(a) Full length nerf bars between front and rear tires mandatory.  Maximum outside diameter of 1.25” and .125 maximum thicknesses must be hollow and may not extend out beyond tread width more than 1" at the rear only.

8.  SEAT

(a) Seat must be high-backed aluminum, racing type. All cars will have a permanent bar located behind top of seat at shoulder level. Bottom of seat will not be more than 63" back measured from upper ball joint. Seat may be tilted back for added driver head clearance; however, no portion of the seat may be back more than 70" as measured above.

9.  NUMBERS AND GRAPHICS

(a) Car number must be minimum 12" in height and 2" stroke. Must be displayed on each door and roof Numbers in 4" size should be on front and rear of car to help with line-ups.
10.  WHEELS AND TIRES
(a) Steel wheels only, minimum wall thickness .090", 13" only, Wheel width max. 8".
(b) Hoosier Racing Tires plated UDRA, TUSA, TUSA-S or TUSA-M mandatory at all AMDC Championship Cub events. 40-durometer minimum before race for dirt and 50-durometer before the race.  Clubs or special events may mandate tire selection.
(c) Bead lock rims are optional on right side only. They are not allowed on left side unless specified by individual track rules.
11.  ENGINE SPECIFICATIONS (All divisions except JRL)
(A) AMDC Spec Motor” Specifications:
*1000 cc or less Water-cooled engines produced after 2000 may compete in this program

    1. Must remain stock bore and stroke, no altering rod or piston specifications.
    2. All head components must remain stock, (except cam sprockets may be slotted type). Cams must be as per original equipment manufactured (OEM) and must meet specs as per manufacturer.
    3. OEM stock ignition system only. Power Commanders or fuel monitoring devices permitted but may not include any additional boxes, modules or devices to alter motor functions.
    4. Engine must retain its stock fuel induction system. May run aftermarket air filters
    5. Alternator recommended but not mandatory.

Engines eligible for this program, Suzuki GSXR 1000, Honda CBR1000RR, Yamaha YZFR1, and *Kawasaki ZX10. All other engine requirements apply from section c.
     *All Kawasaki ZX10 engines must run in the AMDC Spec Motor program only.
(b) AMDC Open Motor” Specifications:

  1. Side draft motors 1250cc (+1%)
  2. Down draft motors limited to 1200cc maximum with no variance.
  3. ZX12 - Must remain stock bore, stroke, rod length, and be stock appearing. Stock OEM fuel injection only.  All head components must be OEM stock with the exception of cam sprockets. OEM stock ignition box only to control engine functions.  Power commanders or fuel monitoring devices permitted but may not include any additional boxes modules or devices to alter motor functions.
  4. Water-cooled engines 1100cc and below can run carburetors or fuel injection systems.  Engines above 1100cc OEM must remain in their original stock configuration of carburetors or fuel injection.
  5. Down draft engine must run gasoline only.
  6. No engine can be modified to be less than original stock configuration OEM specifications.
  7. Engine must be in production for a designated time period to determine its competitive relationship with our current motor program.  Any major changes to existing engine by the manufacturer must be reviewed by board before approval.
  8. OEM Electronic engine components (Power Commanders permitted) will be reviewed annually to insure equality.
  9. Carburetors and cams optional. (Except ZX12)
  10. Aftermarket cylinder & cylinder heads: No aftermarket cylinder or cylinder heads allowed on water-cooled motors. No aftermarket cylinder heads allowed on oil & air-cooled motors, aftermarket cylinders authorized.

      11. Porting, grinding, polishing or changing stock configuration of intake or exhaust ports allowed for oil &             air cooled motors. Carburetor/Fuel injection boot must fasten directly to head in the stock intake port location.
      12. No porting, grinding, polishing or changing stock configuration of intake or exhaust ports allowed on   water-cooled motors.  Casting part lines must be visible upon inspection. Intake port area may be altered to match intake boot. Alteration not to exceed 3/8” into intake port. Carburetor/Fuel injection boot must fasten directly to head in the stock intake port location
      13. Header must attach directly to head in stock exhaust port location
      14. Oiling system may not include a dry sump system.
      15. No increasing or decreasing of motor stock stroke in any way.
          (c) “General Motor” Specifications:
1. Four cycle, four cylinders maximum only.  Must have working transmission, clutch, and starter with all parts in place. Complete Clutch assembly must remain in engine. External reverse boxes allowed. No air controlled shifting devices.
2. Charging system optional. Battery powered ignition system only.  Alternator cover allowed.
3. No auxiliary starters.
4. Engines must be front mounted in engine compartment.
5. Engine setback: The "square of the engine" (rear fins of the jugs) may not extend rearward more than 17" from the center of front spindle.  No part of the engine or transmission may extend rearward more than 21 inches from center of front spindle.
6. No after market fuel injection, and no turbo. No nitro or nitrous oxide.  OEM fuel injection must remain stock.
7. Engine must be cooled by original intent. May use extra fan or oil cooler.
8. Engine exhaust must include muffler and exit rearward. All muffler devices must include baffles.  MUFFLER MUST MEET LOCAL TRACK REGULATIONS, (IF MANDATORY)
(d) Engine Tech Procedures
1. Cylinder cranking compression- minimum 100p.s.i. Maximum 220 p.s.i. per cylinder average of 4 cylinders, no variance, measured with a Snap-On compression gauge, part number EEPV303A, with adapters EEPV304A, EEPV306A or MT26J200, after ten (10) compression revolutions of cranking, 15-45 minutes following feature event.
2. Carburetors or Fuel Injection and all 4 spark plugs must be removed before checking compression.
12. BATTERY, FUEL SYSTEM
(a) Battery and fuel pump must be mounted outside driver compartment.  Battery must be secure and held with non- rubber strap. Electric fuel pump allowed.
(b) Fuel cell mandatory, maximum 5 gallons, located in trunk.
(c) Gasoline or alcohol only, no fuel additives allowed. According to local preference.
(d) Reinforced or steel braided line must be used in all high-pressure areas.
(e) A direct manual cutoff switch wired to ground circuit will be installed on the right rear shelf or rear fire wall within 6” of the corner formed by the rear deck and rear fire wall.  Switch will be located over the right shoulder of the driver.   The emergency electrical cut off switch will be clearly located and marked.
13. DRIVE TRAIN
(a) Must use steel drive shaft from transmission to automotive rear end. Minimum 2.50" x .083" or 2" x .120
(b) Quick change rear ends allowed with steel tubes only.
(c) Drive shaft tunnel must have minimum of 2 (3 recommended) 360-degree hoops between firewall and seat back. Must be fabricated of minimum .1875" X 1.5" steel bar. 1" X .095" steel tube highly recommended.
(d) Rear must be locked or have a solid spool.
14. FRAME AND ROLL CAGE
(a) Main frame members will be minimum of 1" X 2" x .120" wall rectangular steel tubing only. Mainframe rail consist of the length between the front lower a-arm cross member and the rear main roll bar upright. No aluminum allowed in cage or frame.
(b) Main frames will have a minimum of 3 cross members between firewall and back of seat fabricated of same material as frame rails. Alternate material may be steel angle, min . . . . 125" X 1.5" X 2". Cross-bracing in floor under driver strongly recommended. Rear frame rails at rear roll bar must be 34” max and 30” minimum outside dimension.  Rear roll bar must meet same dimension as the frame it is mounted to. Frame may taper forward of driver seat area. Front engine area frame width must be 24: max and 20” min outside dimension. Left and right frame rails must be the same + or – ½”.
(c) Roll cage must be DOM steel minimum 1.25" x .083" (.095 recommended) in all cars manufactured from 7/08 on. Clubs may grandfather older cars with 1" x .065" tubing. Cross-brace or diagonal strongly recommended in hoop over driver's head.
(d) All cars must have cage bars installed across door openings on both sides. Bars should be welded in place as part of roll cage. Minimum size 1" x .065". (1.25" x .095" recommended) cars with bars mounted on doors should have full doorframe and minimum of 2 horizontal cross bars. Minimum 1” x .083". Cars with bats mounted on doors must have 1/4" x 2" steel stops welded in on each side of opening, totaling a minimum of 4" on each end of door.
(e) It is required to have a steel bar with a minimum size of 1" X .065" from doorpost to doorpost, under the dash. Steel plate on driver's door bars recommended
(f) It is recommended that, if using rivets, body panels attach to tabs welded onto cage instead of drilling multiple holes into cage bars.
(g) No down tube frame cars allowed. Any bars going from cowl area to snout must remain below the upper line of hood.
(h) Classic pickups may have two (2) bars going from upper rear roll cage down to rear clip.
15. SUSPENSION
(a) Front suspension must not extend rearward past the most forward panel of the firewall.
(b) Rear trailing arm/radius rod specifications:

  1. Arms may have a maximum length of 30”.
  2. Torque-absorbing devices are permitted.
  3. Maximum 3 radius rods or 3 link suspension

(c) Wheel offsets are allowed.
(d) Hub offsets are NOT allowed. Hubs front and rear must be within 1/2” distance from mainframe rail on either side of car, measured from center of rotor to vertical plane of frame rail.
(e) Coil-over shocks are the only allowable means of supporting the chassis. One shock and spring per wheel only.
(f) Shocks must be of all-steel construction, non-adjustable type. May not be of a type that allows disassembly.
(g) No driver shall have the ability to adjust suspension from inside car.
(h) Straight front axles are prohibited. Local clubs may grandfather existing cars for competition.
(I) No leaf springs.
(j) No birdcage type rear linkage.
(k) Anti-roll (sway) bars permitted front or rear.  Must be connected without adjustments to arm location.
(l) No torsion bar suspension system of any type allowed.
16. STEERING
(a) All steering components must have safety fasteners such as cotter pins or self-locking nuts.
(b) Manufactured quick-release steering wheel hubs mandatory.
(c) Rack and pinion steering is mandatory.
17. BRAKES
(a) All four wheels must have working calipers and rotors.
(b) Rotors and calipers:

        1. Steel rotors mandatory, .250 minimum thicknesses.
  1. Steel OEM calipers or aluminum calipers.   
  2. Cutting & scalloping of rotors will be allowed with no rotor surface being less than 3/4” in width.
  3. Drilling of rotors is permitted.

(c) Adjustable brake bias and wheel shut offs allowed.
(d) Competition-type master cylinders allowed.
18. SAFETY EQUIPMENT
(a) Fire bottle system HIGHLY recommended.
(b) Driver uniform will consist of:

  1. Fire suit (single layer minimum, one piece only
  2. Fireproof gloves.
  3. Fireproof shoes.
  4. Approved helmet with Snell 95 or higher.
  5. Full-face helmet.
  6. Head and neck restraint systems.

(c) Car must be equipped with 5-point safety harness, no more than 3 years old, with minimum of 3-inch belts.
(d) Aluminum, high-backed racing seat mandatory.
(e) Window nets,
19. NO two-way radios. One-way communication from officials only is mandatory.
20. NO mirrors allowed.
21.  DRIVER QUALIFICATIONS
(a) All drivers must be minimum of twelve (12) years of age. All drivers under 16 years of age MUST have a signed waiver by parent or guardian.
22.  GENERAL REGULATIONS
(a) The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish the 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 accepted and compiled with these rules.  NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OF OR COMPLIANCE WITH THESE RULES AND REGULATIONS. They are intended solely 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. Any interpretation or deviation of these rules is left to the discretion of Australian Modlites & Dwarf Cars pty ltd and the decision is final. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH DEVIATION OF SPECIFICA-TIONS.
(b) No intoxicating spirits or controlled substances are to be consumed before or during race events by anyone entering the pit area of tracks.
(c) AMDC reserves the right to reject or allow entry of any driver or car.
(d) Abuse or confrontation of any racetrack or AMDA official and/or use of abusive language is strictly prohibited. FAILURE TO ABIDE BY THIS RULE MAY RESULT IN SUSPENSION, LOSS OF POINTS, WINNINGS, RECORDS, AND/OR CASH FINE.
(e) Any disputes involving qualifying times, lap scoring, finishing position is under the jurisdiction of the hosting track officials. AMDC officials only will address winnings, points, or rules interpretations. Any disputes or discussions of this nature
(f) THE DRIVER ASSUMES RESPONSIBILITIES FOR THE ACTIONS OF THEIR PIT CREW AND GUESTS.
(g) Drivers, owners, and/or crew shall have no claims or actions of any kind against or cause of action for damages of any kind, expenses, or otherwise against any track owner, promoter, or official by reason of disqualification or damage to car, driver, or both. This regulation shall be deemed a covenant not to sue made by each driver, owner, and/or crewmember to AMDC, NASR any track owner, promoter, or official with respect to any alleged act or omission or agreement by any of them.
(h) AMDC  NASR  or track officials at any time for safety, mechanical, or rules compliance may inspect any car.
(I) ANY RULES OR REGULATIONS NOT COVERED IN THIS BOOKLET WILL BE DETERMINED ON A TIMELY BASIS BY AMDA AND THE DECISION IS FINAL.
(j) Effective date of these rules January 6, 2008.
MOTOR RACING IS A DANGEROUS SPORT AND MAY RESULT IN INJURY, BODILY HARM, OR DEATH.
Rules updated Ist July, 2008