LIMITED SPORTSMAN DIVISION

“See General Rules”

2008 Season

 

Changes In Blue

 

 

Competing Models:         

           

The following cars are eligible for competition 1999-2007

 

2006 Steel Body Panels with plastic type fenders

·        Front and rear bumper covers are approved.

·         NO MIXING OF THE 2007 COMPOSITE BODIES.

·        FRONT AND REAR BUMPER MUST MEET TRACK OFFICIAL APPROVAL.

 

Eligible 2007 Composite Bodies

  • The bodies must contain the approved composite roof and components.

  • Approved composite fenders, quarters, front and rear bumpers covers, and hood.

  • Approved door and deck lid must be steel or aluminum.

 

  • COMPETITOR CHOOSING TO USE COMPOSITE BODY IN COMPETITION WEIGHT WILL BE, TOTAL CAR WEIGHT OF 3210 LBS. RIGHT SIDE MINIMUN OF 1430 LBS.

 

All cars must compete with a 105” wheelbase. When measuring wheelbase, one side measurement must be 105” wheelbase. Maximum allowable tolerance cannot exceed ½” plus or minus on the other side. In order to obtain the 105” wheelbase, the front and rear wheels must be moved an equal distance.

 

Claiming Rule

·        Price of Claiming Engine $5000.00

·        A Competitor may claim another Competitors Engine at any time.

·        Claiming rule will follow the same procedures as a protest, relevant to time and method of payment.

·        Refer to General Rules.

 

Car Bodies:

      1. Body specifications-body must have stock appearance.

      2. All body panels must be steel except for NASCAR approved rubber noses.

      3. Body should conform to NASCAR LMSC rules.

 

Detailed Car Body Requirements:

·         Front spoilers must maintain a minimum ground clearance of 4 1/2”         

·         Rear spoilers cannot be wider than 54” and centered on trunk lid. No lips or bends allowed. All spoilers must be    a maximum of 39” measured from the ground to the top of the spoiler. Maximum height 5”.

·         Minimum roof height of 48” to be measured at center of roof 10” back from windshield.

 

 

 

Overall Car Weight:

·         All cars will maintain a minimum total car weight of 3200 lbs. Right side minimum 1425 lbs.

·         All add in weight must be painted white and stamped with car number on all sides. Added weight must be in blocks of no less than five lbs. All added weight must be securely fastened with ½” bolts and lock nuts. No tie wrapping or taping permitted. Any weight that falls off racecar while on racetrack will be fined $250.00.

·         Any unattached weight found in car after qualifying or after event will be an automatic disqualification of times and or event.

·         Refer to General Rules

 

Windshield:

·         All cars must be equipped with full front and rear windshield.

·          Windshield must be replaced by Lexan 3/16 inch thick.

·          Full windshields required in stock location.

·         Three support bars must be installed behind Lexan in center of windshield and be made of steel.

·         Lexan must be used as rear window.

·         Two straps 1 inch wide must be installed on outside of rear window.

·         Quarter windows can be covered with CLEAR lexan only.

 

Dashboard:

·         All cars must have a complete dashboard.

·         Electrical Master shut off switch must be mounted center of dash.

·         Electrical Master shut off switch must be clearly labeled with on and off.            

 

Firewall:

·         Fabricated firewalls permitted but must be complete from top rail to bottom of windshield, side to side. Must be 22 gauge steel (must be welded) no rivets permitted.

·         All cars must have full firewall of steel, welded and not pop riveted, no aluminum.

·         Full sheet metal minimum 20 gauge required on rear firewall and inside of trunk compartment.

 

Doors:

·         Doors shall be attached in an approved manner. Door panels must maintain the same accent lines and configuration as a standard door.

 

Fenders & Quarter Panels & Rocker Panels:

·         When cutting the fenders or quarters panels for tire clearance, original tire opening contours must be followed. Maximum 10 inch opening from edge of wheel to edge of fender and/or quarter panel.

·         Maximum width between the rocker panels will be 68 inches measured at any given point between the front and rear tires.

 

Grilles:

·         Grilles may be covered with two layers of unpainted screen wire attached to grille only.

·         Screen wire mesh must be porous.

·         Closed grilles for racing not permitted.

·         Closed grilles for qualifying optional.

 

Hoods:

·         Hoods may be made of reinforced fiberglass or plastic, but must maintain stock configuration.

·         Hoods must lay flat. No bows or bubbles in center.

·         Hoods must seal to the windshield with no holes or openings for air in cowl or hood of any kind.    

·         Mandatory 3 magnetic hood pins across front of hood.

 

 

 

 

Rear Deck Lids/Trunks:

·         Rear deck lid must be in operating condition.

·         Deck lid must have complete set of pins.

·         Trunk around fuel cell must be complete.

·         When deck lid is raised, the perimeter around it and down to the cell or trunk must be enclosed with no less than 20 gauge steel.

 

Bumpers:

·         Front, rear bumpers must remain in standard location for make and model.

·         Bumpers must maintain standard appearance for make and model car.

 

Identification and Markings:

·         Refer to General Rules.

 

Engines:

·        The engine is a ZZ4 350ci 355 horsepower, with the following parts: P/N 10105123 4 bolt iron block P/N 14088533 1053 steel crankshaft P/N 10108688 PM rod P/N 10159436 High silicon aluminum piston P/N 10185071 Camshaft with hydraulic roller lifters P/N 12556463 Aluminum head P/N 10185063 Dual plane intake manifold P/N 1104067 HEI distributor P/N 25534354 8 quart circle track oil pan (with oil filter) P/N 25534359 Valve cover kit with breather tube P/N 25534355 Valve cover breather kit P/N 25534352 Special rocker arm nut ”kool nut design”

·        TECH SPECS: These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads. The 355 HP @ 5500 RPM was derived from a super flow dyno using a 4 barrel 650 cfm Holley carburetor P/N 80541-1, 32” long by 1 5/8” to a 1 3/4” stepped header with a 3” collector, and 92 octane unleaded gasoline. Oil pan clears most GM rear steer chassis with stock engine location. Oil pan is 7” deep at sump.

 

Carburetor:

·         Refer to LMSC rulebook. Tracks option 500 HP.

 

Carburetor Spacer:

·         Only a one piece solid aluminum spacer, ¾ inch thick may be installed between intake and carburetor.

·         The spacer must be centered on the intake manifold and have two holes with a 1 ½ inch opening located in the center that match the base of the carburetor. No taper or bevels or any modifications permitted.

·         A one-piece paper gasket maximum .065 thick must be installed between carburetor and spacer. A one-piece paper gasket maximum .065 thick must be installed between the spacer and intake manifold.

 

Air Cleaner:

·         Air cleaners cannot be removed during practice or competition.

·         Only round air cleaner minimum 12 inches, maximum 17 inches in diameter will be permitted maximum 4” high.

·         Only dry type paper elements permitted.

·         All air shall be filtered through element.

·         Top and bottom must be metal or aluminum with no holes.

·          No shield permitted.

·         Diameter of air cleaner top and bottom must be the same with no lip

·         Bottom of air cleaner must be below choke horn of carburetor.

·         No tubes, funnels or any device, which may control the flow of air, is permitted inside the air cleaner and carburetor.

 

Electrical Systems:

·         All electronic distributors must be stock type housings, equipped with a magnetic pickup, gear driven, and mounted in the stock location.

·         Single or dual point camshaft driven distributors will be permitted.

·         Only one (1) ignition coil will be permitted and it must be mounted on. The engine side of the firewall.

·         Amplifier box will not be permitted.

·         MSD box will not be permitted

·         Pick up type distributor allowed. (2 wire only, 1 ignition to coil, 1 distributor to coil)

·         No REV limiters permitted or provision for REV limiters permitted.

 

Fan:

·         Only standard steel fan with a minimum of four blades shall be permitted.      

·         Minimum diameter of fan shall be no less than 14 inches for steel fans.

·         Fan blades shall be a minimum of 31/2 inches wide.

·         No flat or free wheeling fan permitted.

·         Electronic fans optional.

·         A fan shroud must be installed and extend 1 inch behind the fan blades.

·         Fans will not be allowed to be changed after qualifying.

 

Engine Oiling System:

·         Oil pans must be made of steel and must be approved by track officials.

·         No kick outs are permitted between the bolt on flange and the top of the added sump.

 

Exhaust System:

·         Headers optional (Refer to LMS rule book.)

·         When the two exhaust pipe into one system is being used all exhaust pipes must be routed beneath the transmission and exit to the outside of the car behind the driver and in front of the rear wheels only.

 

Drive Train:

·         7 ¼” clutch and pressure plate are permitted. NO aluminum pressure plates allowed.

·         Hydraulic slave cylinders and hydraulic release bearings allowed.

·         No paddle button clutch.

·         No poly carbon components permitted.

 

Flywheel:

·         Flywheel must be steel or cast iron. No aluminum flywheels permitted.

·         Flywheel must be original in configuration in all respects for make and model of car.

·         Flywheel may not be lightened by cutting, grinding or drilling.

 

Starter:

·         Only standard OEM type starters may be used. Gear driven starter allowed.

·         Starter must mount in original mounting position.

 

Bell Housing:

·         Refer to LMS Rule Book

 

Transmission:

·         Only standard production OEM type 3 and 4 speed transmissions permitted.

·         All forward and reverse gears must be on working order.

·         5 speed transmissions with gears removed not permitted.

·         No quick-change transmissions allowed.

·         No automatic transmissions allowed.

·         No spiral cut gears. No special fabricated gears or drop out clusters will be permitted.

·         OEM type transmissions permitted. Any other type must be approved by official.

               

Drive Shaft:

·         Drive shaft and universals must be standard to production type.

·         Drive shaft must be steel magnetic and painted white.

·         Only one-piece drive shaft permitted.

·         Minimum diameter 2 ¾ inches.

·         It is mandatory that two 360 degrees steel brackets, no less than 2 inches wide and 1 ¼  inch thick be place around the drive shaft and fastened to the cross member of the car to prevent drive shaft from becoming dislodged and dropping to the race track.

·         No aluminum drive shaft permitted.

·         No poly carbon components allowed.

 

Rear axle:

·         Basic rear end housing must retain production design. Locked rear ends permitted. Full floater rear ends permitted.

·         Only steel axle housings permitted.

 

·         The center of the rear end housings must be within ½ inch of the centerline of the tread width front and rear.

·         Quick-change rear end permitted.

·         No cambered rear ends permitted.

 

Wheels:

·         All wheels must be 15 inches in diameter and a maximum of 10 inch in width.

·         All wheels must maintain same offset.

·         All wheels must be one piece and made of steel. No bead lock wheels permitted.

·          Heavy-duty steel lug bolts and nuts must be used and 5/8 mandatory in size.

·         No bleeder valves permitted.

 

Tires:

·         Only track approved tires permitted. Tires purchased any other time other than raceday are not track-approved tires.

·         All competitors must leave two tires in impound that have been used in competition after each race, identified with car number.

·         Must purchase two new tires every race or leave four tires in impound area that competitor ran that night and would not have to purchase tires the next week.

·         Visiting cars will be allowed to purchase two new tires and two scuff tires from the speedway.

·         Competitors will be allowed to purchase four new tires for any extra distance events scheduled only.

·         Any tires found to be chemically treated, “soaked” will result in immediate disqualification and driver forfeiting purse money, points, and subject to fine for that event.

·         Track official has final approval.

 

Frames:

·         No holes may be cut in frames to lighten. All frames are subject to NASCAR officials for approval. Any frames rejected by NASCAR officials for showing poor workmanship will not be approved until necessary corrections have been made.

·         Frames may only be altered for the installation of springs, shocks, and for clearance of wheels and tires.

·         A tubular steel frame can be used.

·         The front snout, beginning a minimum of 22 inches rearward of the centerline of front spindle and extending forward to in front of the radiator may be stock.

·         A tubular front snout may be used if built by specifications in NASCAR LMSC rulebook.

·         The distance from the outside edge of the frame rails, left and right must be the same measured from the centerline of the tread width, front and rear. No weight boxes may be added on exterior of frame rails.

·         When measured from the outside edge of the left side frame to the outside edge of the right side rail, a minimum width of 57 inches and maximum width of 64 inches must be maintained on all frames. No weight boxes may be added on exterior of the frame rails. (Tube min. 2 x 3 .120 thick, max. 3 x 4 .120 thick).

·         A minimum ground clearance of 4 1/2 inches must be maintained on any part or the frame.

 

Suspension:

Spring Shocks

·         Heavy duty springs may be used provided they are similar in design to original equipment.

·         Heavy duty racing shocks permitted.

·         External Adjustments will not be permitted on any shock absorbers.

·         An external Schrader valve to pressurize the shock absorber with gas will not be permitted.

·         Weight jacks permitted.

·         No traction bars or additional linkages permitted.

·         Three point hookup permitted.

·         No hydraulic or mechanical weight shifting devices permitted.

·         Long trailing arms permitted. (Refer to LMSC rule Book)

·         Monoballs or rubber bushings permitted in trailing arms with both sides being the same, however no heim joints or adjustable type rod ends permitted.

·         Trailing arms may be either passenger car type or pickup truck type and length. Fabricated trailing arms permitted using a minimum of 2 inch x 3 inch steel box tubing a minimum of 120 thick for long arms or 1 ¼ inches by 2 inches steel box tubing a minimum of 120 thick for short arms. 

 

Tread Width Requirements:

·         Steel spacers may be used to utilize maximum allowable tread width. Spacers if used must be the same left and right however, front and rear do not have to agree. Maximum thickness ½ inches per wheel.

·         Cars must not exceed the maximum allowable tread width front and rear measured at center of tire, zero toe in, at spindle height.

·         Tread width: maximum 64.5 inches.

 

Ground Clearance Requirements:

·         Frames, rails, chassis, and all sheet metal clearance with driver in car 4 ½ inches.

·         Front spoiler clearance 4 ½ inches.

·         All suspension parts, 4 ½ inches.

·         Exhaust pipes, 3 inches.

 

Steering Components:

·         Quick release mechanism magnetic.

·         Magnetic steel steering wheel only.

·         Collapsible steering shaft recommended.

 

Spindles:

·         Magnetic steel spindles only.

·         No offset spindles of any type.

·         Refer to LMSC rules.

 

Brake Components:

·         Any interchangeable brake and hub assembly permitted.

·         Any disc brake with stock type calipers will be allowed on front with single piston caliper only. Brakes must be installed on all four wheels.

·         Only cast type of cast steel rotors, minimum ¾ inch thick allowed.

·         Master cylinders and reservoirs must be mounted on engine side of firewall.

·         No floating calipers permitted.

 

 

 

 

 

 

Fuel & Fuel Tanks:

·         NASCAR approved fuel cell required.

·         Capacity not to exceed 22 gallons

·         Fuel Cell must be in center of frame rails.

·         Fuel filler neck and vent line must be equipped with NASCAR approved   check valve or flapper valve.

·         Only rectangular fuel cells will be considered for approval.

·         Fuel cell must be moved into rear deck space and mounted as close as possible.

·         For fuel cell installation guidelines consult rear of NASCAR rulebook.

·         All fuel lines must run under bottom of body or be enclosed in steel conduit.

·         No electric fuel pumps or pressure systems permitted.

·         Track fuel required. No additives allowed.

·         Refer to LMSC rulebook.

 

Safety:

·         Roll Bars

·         Consult NASCAR rulebook LMSC rules for roll bar guidelines.

 

Seats:

·         Aluminum seats are permitted. Positively no homemade seats are permitted. Seats must be installed in approved manner.

·         Refer to LMSC rulebook.

 

Seat Belts:

·         Quick release seat belts and shoulder harness no less than 3 inches wide is manatory. Crotch belt is required.

·         All seat belts must be fastened to roll cage not to floorboard by no less than 3/8-inch aircraft bolts.

·         No Y-belts. Single belts only.

·         Seat Belts can be no more than 3 years old.

 

Window Net:

·         Approved nylon window net must be installed on the driver’s window.

·         Window net must release from the top with an approved type fastener.

·         Refer to LMSC rules.

·         Window nets can be no more than 3 years old.

 

Fire Control:

·         All cars must be equipped with an approved fire extinguisher.

·         Dry chemical gas approved. Must be ABC.

·         Bottle must be mounted to right side of seat or rear of seat and gauge must be visible to officials at all times.

 

·         After (3) consecutive wins driver will start mid field regardless of where driver qualifies.

·         If driver qualifies beyond midfield  then driver will maintain actual qualifying position.

 

 

Protests & Appeals:  

Refer to General Rules or Track Officials.