3)All cars deck lid height-no more than 35".

4)All cars must have grill area open or 25 lb. penalty-minimum grill opening 5"x15".

5a)REAR SPOILER -  Must be made of a single piece of see-through material with a maximum width of 60". No spill boards or verticals allowed. No air ducts or dams permitted under car. Spoiler may be mounted no more than 45"  behind center of rear axle. Spoiler may be braced from the front or rear. No more than three front braces are permitted and must be round tubing of a maximum diameter of 3/4" . Rear bracing must be inset a minimum of 3"  from end of spoiler. Rear facing lips of no more than 1"  will be permitted.
5b)DECK-LID -  Top surface of deck-lid must not be dished. No area of deck-lid may be lower than the top of the quarter-panels.
5c) RUB RAILS - Rub rails are permitted between wheels and must be no more than 1"  by 1" . They should be welded or bolted to body or door bars. No sharp edges. Side jack points may not protrude outside body.

CARS THAT VARY TOO RADICALLY (in the opinion of track officials) will be dealt with accordingly.

6) WINDSHIELD/WINDOWS -  Lexan front windshield, rear glass and rear quarter windows (at least 1/8"  thick) are required. A minimum side window opening of 16"  vertical will be permitted. No Driver or Passenger windows are permitted other than wing vents extending no further back than the rear-most part of windshield. Rear edge of vents must be perpendicular down to door ledge. No interior ducting may be used or attached to "B"  pillar.

7) SUSPENSION - All suspensions must conform to the following: Front spindles may be replaced with heavy-duty after-market units. Shocks may be replaced or relocated. Shock absorbers will be limited to steel or aluminum bodied units without external reservoirs. No external adjustments or click shocks permitted. Springs may be 2 1/2" or 5" diameter O.E.M. style. Wedge bolts are permitted. Rear axle radius rods may be replaced and/or relocated. Rubber bushings are permitted (no spring actuated torque arms/traction bars permitted). Rack and pinion steering is permitted. Maximum track width measured outside rim to outside rim is 79"  at spindle height.
(STOCK FRONT CLIP OPTION)  Coil-over/slider suspension systems permitted. Front lower A-Frames/Struts must be an O.E.M. (original equipment manufacture) unit. These units may be altered in length but maintain original profile and original suspension mounting points. Suspension bushings may be replaced with aftermarket components. Bottom of springs must have "pigtail"  end resting on O.E.M. A-frame/strut using stock locating pocket. Front upper control arm mounting brackets may be replaced and/or relocated. Upper A-frames may be tubular after-market type.

8) FRAME -  (STOCK FRONT CLIP OPTION) American-Manufactured Factory (Stock) Frame Clip must extend from in front of the front A-frames to 24"  behind center of front hubs. Front cross members and lower strut/A-frame mounting points must be stock for frame clip used.
(FABRICATED FRAME OPTION) Fabricated Front Clip Chassis will be permitted. (See weight Rule #10) 4"  Frame Height Min. Stock clip cars must run factory A-frames.

9) ROLL CAGES -  Full cage required, with four uprights at least 1.625"  O.D. with .095"  thickness- welded to main frame rails. Top of cage should form a box and follow the contour of the windshield in front and rear. Three door bars are required on driver side and two on passenger side. Door bars must run between front and rear roll cage posts and may not be inside frame rails. Gussets should be used where possible. Bars around driver must be padded. SFI spec 45.1 padding is required. Cages must be approved.

10) INTERIOR -  All cars must have complete firewall, front and rear. Stock interior may be replaced. Front firewall extending from the left side frame rail to the middle of the interior floorboard is required. It must extend under the driver including the foot pedal area and rear firewall directly behind the driver and must be at least 20-gauge steel. The remaining interior may be aluminum (.025"  min.). Interior sheet metal beside driver must run no higher than from the seat cushion at an angle to the bottom of the window opening. Racing seat required, bolted/welded to chassis.

11) FUEL CELL -  Maximum 22 gallon SFI approved commercial type fuel cell bladder with foam insert required. Cell must be mounted in trunk area, between frame rails, with bottom of cell no lower than the bottom of the rear end center section. Cells must be secured by a frame work using a minimum of 1"  square tubing. Rear protective bars strongly suggested.

12) WEIGHT -  Cars must weigh a minimum of 2,800 lbs, wet with driver. Weight must be securely bolted, or welded to chassis. Left side weight is not to exceed 58%. All stock front clip cars receive 50 lbs. weight break. Outlaw body cars must weigh 2,900 lbs. with 56% left side weight.

13) ENGINE -  Any displacement factory produced engine with cast iron block and cast iron or aluminum heads permitted. Engine, chassis and body manufacturer need not match. Engine must have forward most spark plug in line with ball joints, except ABC bodies, which will be allowed a 3" set-back. There will be a 50 lb. penalty for every inch of motor set-back. Carburetion limited to one US manufactured 4 barrel. Any stock or after-market replacement for stock distributor may be used. Magneto and/or multiple coil type ignition systems are not permitted. Ignition control boxes (MSD boxes) must be mounted in clear view and out of driver's reach while in seat. Ignition switch should have  "on-off" positions marked and within reach of the driver. Dry sumps permitted.

14) EXHAUST SYSTEM -  Must be safe and meet approval. MUFFLING DEVICES ARE MANDATORY. Exhaust pipes may not pass through the driver's compartment. Exhaust pipes must exit below and behind the driver with turndowns. Exhaust may not pass through body panels. Noise levels will be monitored with a decibel meter and violators may be fined or disqualified.

15) STARTERS/BATTERIES -  All cars must have working starter and battery. All batteries must be securely mounted & covered.

16) FUEL LINES -  Fuel lines must be securely mounted and protected. Fuel lines running through the driver\rquote s compartment must be "Aeroquip"  steel braided or equivalent. No electric fuel pumps permitted.

17) FUEL -  Only straight gasoline or racing fuel is permitted. No nitro or alcohol.

18) DRIVE TRAINS -  Transmissions must have a minimum of two forward and reverse gears. All cars with a manual transmission must have a working, spring-actuated clutch. No hand clutches. Drive shafts must have at least one 360-degree safety strap/loop directly behind front universal joint. Quick change rear ends are permitted. Floater rear ends required.

19) WHEELS/BRAKES -  Maximum 10"  wheel width permitted. All wheels must be steel-racing type. Wheel lugs must be 5/8" min. Brakes must be in good working order on all four corners. Front and rear hubs may be replaced with heavy-duty after-market hubs. Any non-mechanical traction control device intended to limit wheel slip is prohibited. No wiring of any kind permitted to front suspension.

20) SAFETY EQUIPMENT -  All drivers must be protected at all times with Nomex SFI 3.2 A/5 fire suit, seat belts, shoulder harness, headrest, and helmet with a 2000 or later Snell sticker. SFI 3.3/5 gloves, SFI 3.3/5 driving shoes and fire resistant underwear are highly recommended. Shoulder and head restraints as part of the racing seat are highly recommended. Seat belts and harness are required to be a five point system with lower crouch belt (six point systems are recommended). Mounting attachment bar for shoulder harness must be at shoulder height of the driver and harness should not bend or change direction as it goes through the seat. Belt systems must be a minimum of 3"  SFI approved units, dated no older than 3 years. All cars must have a web style window net on the left side window opening with a seat belt latch mechanism on the top front corner. No cord or rope type nets. Fire extinguisher of B or C dry powder type or equivalent must be in every car and be easily accessible to both driver and right side window. A quick release mount is mandatory. Each car should have a fully charged 10 to 13 pound B and C type fire extinguisher in it's pit area.

21)TIRES -  Only  approved Hoosier 980 Tires allowed. No tire soaking or dressing. In an effort to cut consumption and/or tire cost, officials reserve the right to establish tire rules, policies or procedures as determined beneficial. No recaps, No altering of sidewalls. Only one new tire per car per night, may be purchased. 

22) RADIATORS  - Must be mounted in front of the engine and have an overflow tank of no less than 2 quart capacity or have the overflow hose directed up onto the windshield. Radiator mounting must not alter sheet metal. No Glycol based Antifreeze coolant permitted.

23) MIRRORS/RADIOS -  Mirrors and 2-way radios are NOT permitted in the car. Use of a scanner type receiver for communication from track officials to drivers is Recommended. Scanners may not be programmed to any frequency other than Shady Bowls  mandated frequency. Scanners must be in full view, mounted toward the center of the interior. Race Receivers will be mandatory in 2011.

24) PAINTING -  Must be presentable. Numbers must be at least 18"  tall on both doors and 4"  in upper right hand corner of windshield. Car owners must register for number, with seniority prevailing. Cars MUST display their car number in 4"  or more numerals on the rear filler/bumper cover.

25) INSPECTION -  Inspection of all cars will be subject to official approval. Workmanship and appearance will be a determining factor in whether officials permit cars to enter competition. Upon cars first appearance of season, it may be permitted to compete ONE NIGHT provided minor constructional variances from the rules do not, in the opinion of the officials, vary drastically from the rules. Officials ARE NOT obligated to any grace period on rule infractions at any time. Officials' decisions are final.

The race director shall be empowered to add weight or permit minor deviation from any of the specifications herein or impose further restrictions that in his opinion do not alter the minimum acceptable requirements.  NO expressed or implied warranty of safety shall result from publication of or compliance with these rules and 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.