Mid America Wing 305 Sprints 2008 Rules

MID-AMERICA WINGED 305 SPRINTS RULES
Revision as of 11/12/2007

“THE RULES AND/OR REGULATIONS SET FORTH HEREIN ARE DESIGNED TOPROVIDE FOR THE ORDERLY CONDUCT OF RACING EVENTS AND TO ESTABLISH MINIMUM ACCEPTABLE REQUIREMENTS FOR SUCH EVENTS. THESE RULES SHALL GOVERN THE CONDITION OF SPEEDWAY EVENTS, AND, BY PARTICIPATING IN THESE EVENTS. ALL RACEWAY COMPETITORS ARE DEEMED TO HAVE COMPLIED WITH THESE RULES. NO EXPRESS 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 IN NO WAY A GUARANTEE AGAINST INJURY OR DEATH TO PARTICIPANTS, SPECTATORS, OR OTHERS”

1. Engine: 316 cubic inches (maximum bore of .060 over on 305 block) Do the math max will be 315.9 cubic inches.

2. Blocks: stock Chevrolet 305 block (no bow-tie, dart, after market blocks) Canadian block okay. Approved casting numbers: 361979, 460776, 460777, 460778, 14010201, 1410203, 1408851 and 14016381 No lightning of block of any type must retain all factory castings.

3. Pistons: Flattop pistons. Can’t protrude from cylinder bore. Can run unlimited compression valve relief piston is accepted.

4. Crank: Stock appearing steel or cast Chevy crank with 3.480 or 3.500 stroke. No knife-edging or drilling of crank.

5. Rods: Any Steel Rod. Oil pan inspection hole for viewing rods.

6. Drive: Can run double roller type chain and gear only, no gear drive or belt drive will be allowed. Stock location water pump short or long pump steel or aluminum.

7. Hub: Damper or steel hub. If damper is run must meet SFI-approval

8. Cam/Tappets: Flat-tappet cam, stock-diameter tappets (no rollers, mushroom, radius type tappets)

9. Pump: Wet sump only with internal pump any type of oil pan (no crankcase vacuum systems)

10. Rockers: Roller rockers allowed (no shaft system} 3/8" or 7/16" stock or screw in studs mount rockers.

11. Valve Train: May run stud girdles but no rev kits allowed. Any size of valve sprint can be run no limit.

12. Lifter Boxes: May be machined or bushed for repositioning of alignment of lifter box for straightening, must maintain original stock diameter bore.

13.Valve Sizes: Maximum of 2.02 intake and 1.600 exhaust size nothing larger than specified.

14. Steel Components: The following items must be keep steel-valves, retainers, keepers, push rods, springs, tappets, crank, rods, wrist pins, fasteners, main caps. (No titanium, composites nor ceramics in engine.)

15. Heads: Any steel Chevy head with maximum of 200cc intake runner UN touched. ( no machining, milling, grinding, polishing, welding, acid/caustic work, shot-penning, glass-beading, nor any other process that would alter the machined surfaces or natural sand-cast finish. (UNTOUCHED MEANS UNTOUCHED) must retain all original dimensions and configurations, including: valves, springs, retainers, stems and guides. The only work allowed is re-seating the valve. no under-the seat relief’s cuts allowed. No work to enlarge the delivered throat size. No-port matching of any kind!!! Any steel 23 degree Chevy head allowed with maximum 200cc intake runner. Can run Dart Iron Eagle or Platinum with 49cc combustion chamber either straight or angle plug head allowed and Pro Action heads are also legal.

Head bolts and head studs can be used! When milling can only straight cut head and no angle milling of any type.

16. Ignition Systems: Magnetos, Electronic or Kettering-type only. (no crank triggers) No MSD Pro-Mags will be allowed.

17. Fuel Injection or Carburetion: Constant-Flow fuel injection or any four-barrel carburetor. Any injection can be utilized with maximum I.D. of stacks being 2-3/16” for the top 3”.

18. Compression Ratio: Unlimited Compression ratio.

19. Weight: Minimum 1475lbs (with driver, after feature event) weight must be between the front motor-plate and 12" behind the motor plate. Weight must be secured by a minimum of three 3/8" bolts and painted white with car number on each weight.

20. Chassis: Any sprint car chassis is allowed with a minimum of 80" and maximum 95" wheelbase. The roll cage must be of a four-post design. Frame and body must be sprint car appearing (no dirt champ cars) no elliptical tubing used on or as part of the mainframe structure. No chassis/suspension/traction cockpit-adjustable devices are allowed.

21. Bumper/Nerf Bars: Rear bumpers and nerf bars are required and must be steel (cannot contain ballast nor lead) Diameter must be minimum of one inch and will allow aluminum front bumper only with minimum .095 thicknesses and must be bolted in place. (No pins cotter keys or pop rivets)

22. Tires: Bead-lock required on right rear. Can run bleeders. Maximum of 18" right rear tire with compound of your choice.

23. Wings: Maximum top wing size of 25square feet with maximum of 30" by 72" side panels. Minimum side panel size of 24" by 60". Side panels must be one piece. No split or bi-wings. Top wing must not extend beyond outside of right rear tire. Maximum front wing size 6 square feet with minimum width of 36" and 12"side panels. No foils or rudders will be allowed. No side foils, rudders or panels are to extend beyond roll cage on any side and no body pieces to extend beyond or underneath front torsion tub except for the hood. No wedges or foils underneath racecar. Sunshields can be run but cannot restrict driver’s vision. No wedges or foils underneath racecar. No pieces may be added to the frame to resemble, imitate or specifically designed to deflect, trap or form a windbreak of any nature. Except those used to cool/protect the motor & brake system. No wing slide or anything to relocate the wing while racing. No wicker bills will be allowed on wings with any dish at all. Only completely flat wings will be allowed to have wicker bills.

24. Numbers: Numbers must be visible and neat in appearance. Numbers must be both the left and right side of the tail, as well as side panels of the top wing. Numbers must be at least 16" in height and at least 12" high on top wing. In a event of duplicate teams must be asked to temporarily add a letter of number to the location by first come first serve when signing in.

25. Brakes: In-board and left front brakes must be utilized at a minimum.

26. Driveline System: All driveline system must be properly installed, reinforced and covered. A driveline hoop or restraint is required. (No open drivelines) Center section must be centered in frame.

27. Fuel Tank: Fuel tank bladder is required. Fuel tanks must be securely fastened. Any means of mounting the tank must meet approval of the officials. Tanks size used for qualifying must remain for all events. Fuel shutoff valve is required at tank. No electric fuel pumps.

28. Fuel: Methanol and Ethanol alcohol fuel only no racing fuel or gas. No power-enhancing additives allowed. Upper end lube is acceptable.

29. Wheels: No dual wheels are allowed.

30. Mufflers: Mufflers are mandatory. Schoenfeld part # 112535 or Flow Master only. (same as Knoxville muffler rule).

31. Front Axle: Steel only minimum of 2" by .16, 2-1/4" by ..120,2-3/8" by .095

32. Floor Pan: Steel or Aluminum only.

33. Driver seat & fuel/fume deflector: Drivers seat and butt bar are required while the fuel/fume deflector is strongly recommended. Fuel/fume deflector should be wider than driver’s seat and extend from floor pan underneath seat to turn-up behind seat.

34. Radio’s: No electronic on board communications. Official radio communications overheard by others will never be used as basis of a protest, nor will they be used in support of a protest.

35. Seatbelts: Seatbelt should have the five or six point configuration of attachment to the frame or roll cage. The shoulder belts should be attached about waist-high behind the seat to the frame or roll cage. Arm restraints are required with a window net required on right side of car. Any head and neck restraint such as the D-Cell, Hans, or Hutchinson is strongly recommended.

36. Drivers Equipment: The driver’s suit is a multi-layer nomex one piece. Nomex underwear and socks are required. A head sock is also required with racing helmet, driving gloves, racing shoes and a neck collar required. Each pit crew must have an ABC fire extinguisher. Racing helmet must be worn when firing engine, packing track, hot laps and races. Helmet must be a snell rating of 2005 or newer for the 2008 season.

37. Car’s Equipment: Use a securely fastened steering wheel with quick disconnect and removable steering wheel. No aluminum roll cages, front axels, rear bumpers or nerf bars. All roll cages must be higher than driver`s helmet. Opening on left hand side of cockpit must be a minimum of 14". Only two valves and one spark plug per cylinder allowed. No titanium components allowed. There must be a #12an fitting in oil pan for inspection of connecting rods. A sprint car cannot be raced without a hood. If a rear bumper is lost during a race but a red flag situation occurs, the rear bumper must be replaced in allotted time before it can be restarted. Metal fasteners are strongly suggested. Kneepads or other devices to keep the knees from banging around on objects and causing injuries are encouraged. Roll bar padding is encouraged in cranial area. A type of Styrofoam or fiberglass insulation of one inch with upholstery type covering is suggested for covering bars in cockpit area. If armafax or foam rubber is used it should be considerably thicker. No mirrors allowed.

38. Technical Inspection: Cars will be subject to technical inspection at discretion of the track inspector at any given time. All cars must be inspected before racing. Post race inspection of the top two finishers in each class after main event with inspector having right to select any other finishing position for inspection. Only the driver and technical inspector allowed in tech area. All decisions are final. If found to be illegal the driver will lose all points and money for that night and all drivers will be moved up based off of finishing order and paid for the correct position. The technical inspector has the right to remove a cylinder head after any event.

39. Points: All drivers will be given 15 show up points as long as they attempt to race. All drivers will be given points based on official finishes of the heat races and feature. Heat points will be 1^st. 3 2^nd . 2 3^rd . 1 4^th will be in the redraw but not in the invert. The feature winner will be awarded 40 points 2^nd will get 38 and then a drop of one point for each position. 20^th -24^th will be awarded 20 points. Driver must start A feature to receive last place points or finishing position points.

40. Protest: A driver can protest another driver for the fee of $200.00 in cash with the protest explaining what is being protested. The protest must be turned into a track official prior to the start of the feature event. If the driver that is being protested is found to be legal he or she will receive the $200.00. If the driver is found to be illegal he or she will be disqualified and the $200.00 will be returned to the protesting driver.

41.Cars: The car you qualify is the car you run in the feature. If you decide to switch cars for the feature no points will be awarded to the driver or car.

42. Yellows: If a driver stops for any reason other than safety issue he or she will be sent to the back of the field. If a driver has any issue he or she must stop and tell an official and they will receive their spot. If two unassisted yellow flags are thrown for a competitor he or she will be done for that event.

43. Unsportsmanlike Conduct: This type of conduct will not be tolerated on or off racing surface and will be grounds for a fine and or suspension, based on ruling of boards members ruling. All drivers are responsible for actions of there crew members and will be treated the same as a driver misconduct.

44. General: Every driver must inspect the racing surface and the track area to learn of any defects, obstructions, or anything, which, in the driver’s opinion is unsafe and the driver shall report that condition in writing to a track official. Any driver entering any racing event is considered to have inspected the track and determined that all conditions are satisfactory. If the driver does not feel that the conditions are satisfactory, then the driver should not race. The driver further acknowledges that he is aware that auto racing involves risk and that by competing in an event, the driver assumes these risks with full awareness and responsibility and will not hold Mid-America 305 Wing Sprints or anybody else liable.

Changes for 2008 are: # 17, # 23, # 30, # 35, # 36, # 39, and # 41.