LIMITED LATE MODEL "2010" "2011''

All equipment changes or modifications not specifically addressed in this rulebook must be submitted for approval, unless otherwise authorized by Illiana Officials, for competition. Illiana Officials will notify the applicant of approval or rejection. RACE CARS, PARTS, AND/OR EQUIPMENT WILL NOT BE CONSIDERED APPROVED BY REASON OF HAVING PASSED THROUGH INSPECTION AT ANY TIME OR ANY NUMBER OF TIMES UNOBSERVED OR UNDETECTED. Any car, part and/or equipment, not conforming to specifications or tolerances, contained in the 2010 Limited Late Model Rulebook, or not otherwise approved by Illiana Officials, is not permitted competition use.

NO TITANIUM OR CARBON FIBER PARTS (EXCEPT FOR APPROVED AIR BOXES) ARE PERMITTED!

A.1 Approved Models

Chevrolet – Monte Carlo/Impala SS Pontiac – Grand Prix

Ford – Taurus/Fusion Dodge – Intrepid/Charger/Avenger

B General Specifications

Offset or Perimeter chassis are approved for competition.

All height measurements are taken with the driver out of the car. All weight measurements are taken with

driver in the car.

A. Minimum weight shall be (SEE APPROVED ENGINES) measured with; all driver safety equipment installed or in place; radio and driver in the car

B. Maximum left-side percentage of weight shall fifty-eight percent (58%)

C. Wheelbase is a minimum of one-hundred-four (104”) inches, measured with track referee.

D. Treadwidth is (65.0”) inches, with a tolerance of plus / Minus 1” inch, measured with Track Referee

E. Ride height or frame to ground clearance is a minimum of four (4”) inches plus / minus ½”

B.1 Car Bodies

A. The only approved body for the LLM is the 2010 Approved Body Configuration (ABC) as produced by Five Star Race Car Bodies (Five Star), Twin Lakes, WI, and/or Aluminum Racing Products Inc. (ARP Bodies), Greenbrier, TN. and in accordance with current ABC 2010 Rulebook. Refer to ABC 2010 Rulebook for all body specifications and tolerances. During inspection process, car must be presented in race ready condition, less-driver.

B. Non-ABC Bodies will be allowed per Short Track body Specs

B.1.a: All spoilers to be five inches (5.0”) tall x sixty-inch (60”) wide x one quarter-inch (1/4”) thick polycarbonate.

B.1.b Car Bodies – Vent Windows "A" and “B” pillar vent windows are MANDATED to be ABC Approved, no alteration permitted, except as follows … installation of a small NACA duct and hose in the right or left side vent window for cooling

C. Body and Appearance

IMS mandates the presentation of a stock-appearing, professionally finished racecar. A detailed, professional-quality paint job is mandatory. The car must be fully painted with legible numbers affixed, in a finished form with all required decals in place, when the car is presented to technical inspection.

C.2 Dashboards

A Full-width dashboard is required. IMS recommends all gauges, regardless of size, shape or type, be mounted neatly in the dashboard to retain the showroom appearance. No digital gauges are allowed.

C.3 Car Numbers and Driver Name

A. Illiana mandates all cars have an officially issued number.

B. Drivers last name to be on both rocker panels in a contrasting color at least 4" tall.

It is mandated the Series sponsor decal be centered in the window valance area, of the top of the front windshield.

C. The team number cannot be changed or assigned to another racecar, except by specific directions from IMS Officials.

D.

E.1 Approved Engines

A.  GM Crate Engine Part number 88958604, must be used as produced. Maximum 4”set back.

Ignition: MSD with Rev-control required. Mounting on right side of dash required.

Carburetor: Holley 650-HP P/N 80541-1 required. No modifications allowed.

All crate engines may not be altered from factory specs. Any evidence of tampering with engine components will result in disqualification, confiscation, fine, and suspension for balance of season.

B.  Tech staff reserves the right to impound motors for inspection or dyno testing.

Factory/Certification Seals may be removed by Officials for tech purposes, allowing for more in-depth technical inspection throughout the season.

E.1A Weights

A.  Ford & GM Crate engines with any or all of the ASALM updates will weigh 2800 lbs.

Specific updates are; 1.6 rocker arms, Small Harmonic Balancer, Carb Spacer

B.  GM, Dodge Crate Engine with RPM Rev-control 6300 – 2750 lbs.

C.  GM Crate Engine with updates and RPM Rev-control 6300 – 2800 lbs.

D.  Limited Built Engine / 2825lbs.SEE BIG 8 SPECS

Limited Concept Engine – Two valves per cylinder. No aluminum blocks or heads. GM & Ford - 362 CID maximum, Chrysler - 373 CID maximum. All engines must meet the following specifications regardless of manufacturer: Stock or stock replacement cast iron unaltered heads with factory valve angles (no angle milling, porting, polishing, acid dipping allowed). GM Bowtie numbers 14011058, 10134392,(casting number 14011034 and 12480034), World Products Sportsman II numbers 011150, 011250 allowed. Ford 351N and 352N heads, World Products Windsor Sr. 053040 allowed. Chrysler 5249769 and 4529446 heads. Casting numbers must be visible on all heads. Gasket matching not permitted. Minimum combustion chamber 62cc, maximum 2.02-inch intake and 1.6-inch exhaust valves required. Flat top pistons required. A minimum of zero deck height required. 10.8 to one maximum compression ratio. Connecting rods must be magnetic steel. Honda journal rods not permitted. A 3/4” NPT inspection hole in oil pan required. Inspection hole must be located in line with second or third rod journal of crankshaft, on either side of pan and above sump area (oil level). Hole in windage tray in line with inspection hole required. Valve spring retainers are the only titanium parts allowed. No radius edge lifters. Lifters must be able to rotate in their bores. No roller or mushroom cam/lifters. Maximum valve lift - .600” (measured at retainer). OEM style rocker arm mounting required. Firing order may not be altered. Ignition system may not be computerized, programmable or have memory circuits. No magnetos, crank trigger, multiple coil or programmable ignition systems allowed. Production type steel crankshaft with normal configuration counter weights. No dry-sump or vacuum systems of any kind allowed. External single stage oil pump allowed on Ford engines. OEM type, mechanical fuel pump, in original location, required. Chrysler engines add 20 lbs. for CID over 362.

Intake Manifold: Edelbrock Victor Jr. 2975 (GM), 2915, 2920 (Chrysler), 2921, 2980, 2981 (Ford). Plenum and port configuration must remain as-produced. No porting modifications, including gasket matching. No spacer/Adaptor plates to head. If Bee-Hive valve springs are used, the competitor will be required to switch to conventional style valve springs for post race tech purposes.

E. Jasper and Rev chip 6300 Holley 4bbl HP4150 -2800lbs

E.2 Engine Location

Engine WILL be installed in a normal, upright position. Engine ground clearance shall be (10”) minimum measured from centerline of the crankshaft at the harmonic balancer to a level ground plane.

Engine set back of 3.5 inches (3 1/2”) will be measured from the center of the #1 spark plug to the center of the upper ball joint Engine set-back location tolerance is plus or minus .5-inches (1/2”).

E.3 Ignition System

Crane Cams Ignition unit, part# 6000-6463 complete with mag trigger; tach output; digital locked out rev limiter set at 6,300 rpm (+/- 30 rpm); and Crane Cams Coil PS92N, part# 730-0192 will be used or MSD with Rev-control  to be mounted to the farthest point of passenger side of dash panel.

E.4 Master Kill Switch

IMS mandates the use of a Rotary-type, master kill switch, labeled ON/OFF. The switch location is mandated to be mounted on the internal roll cage bars, directly to the right of the driver seat for accessibility from the left or right side windows. Switch must disconnect or “kill” all electrical power to the car from the battery. Switch must be wired in series with the Positive side of the battery cable.

E.5a Carburetor

Holley 650 CFM 4150 HP carburetor, part number 80541-1, “box-stock”, is mandated. Carburetor must be securely fastened to the intake manifold and include one (1) .0625-inch (1/16”) or smaller flange gasket. Drop-in spacers, alteration, physical changes, machining, re-shaping or tampering with any part of the original parts, internal or external, is prohibited. EXCEPTION: The General Motors 604 crate engine is permitted a maximum one-inch (1) tall aluminum spacer with four (4) round non-tapered holes as manufactured. Aluminum spacers are subject to inspection by Officials. Following is a listing of tuning and replacement parts permitted for use on the Holley 4150 HP Carburetor.

Only genuine Holley replacement parts are permitted and must match exactly parts replaced.

a. Jets

b. Bleeds

c. Needle and Seat

d. Emulsion bleeds

e. Power Valves

f. Accelerator pump nozzles

g. Accelerator pump cam

h. Floats include all offered by Holley for

the HP 4150 650 CFM Carburetor.

i. Floats maybe modified/angel cut.

NOTE 1: The use of any type Epoxy on the Holley 650 CFM 4150 HP carburetor, part number 80541- 1 is prohibited.

NOTE 2: Coating of any type or the use of coatings on the Holley 650 CFM 4150 HP carburetor, part number 80541-1 is prohibited.

E.6 Starter

Each car must be equipped with a working starter with the capability of starting the event.

E.7 Battery and Battery Box

The battery(s) must be located in a battery box securely mounted flush with the bottom edge of the mainframe rail

E.8 Exhaust System

All cars must have a working exhaust system with no exhaust pipes exiting through the door. The exhaust system must use a 90 degree “turn down elbow. Exhaust pipes from header collector to the 90 degree “turn down elbow”, must maintain the same diameter pipe. No “stinger” or merge collectors of any type are permitted.

IMS) Mufflers are required for competition. Any car not meeting the 95 decibels WILL NOT RACE. All exhaust systems must have mufflers that are not tampered with or hollowed. No custom high dollar headers (no lightweight stainless, Titanium or Inconeal) allowed. Any collector may be used with out a cone style inserts. No one off custom header allowed.

    ***ANY CAR NOT MEETING THE 95 DECIBELS WILL NOT RACE***

E.9 Fuel Cells and Line Routing

A maximum twenty-two (22) U.S. gal fuel cell capacity is approved for competition. Fuel cell bladders must reflect a manufacturing date of Jan 2003 or newer meeting FIA - FT3, 1999 standards. All bladders must utilize “as produced” fuel resistant polyurethane foam baffling, conforming to Mil Spec MILB- 83054, SAE-AIR-4170 or equivalent with no modifications or alteration.

A mandated minimum .125 inch (1/8”) plate, size to cover the width and height of the canister, must be mounted between the fuel cell and the quick change rear end cover as well as between the rear-side of the canister facing the rear bumper.

Recommended fuel cell mounting – containers must mount to the rear clip frame rails via two (2) lateral and two (2) longitudinal braces, forming a grid beneath and on both sides of the cell container. A grid brace of two (2) lateral and two (2) longitudinal braces must cross the top of the fuel cell container. Fuel cell grid material shall be 1.5 inches (1 ½”) x .125 inch (1/8”) steel strap.

F Chassis

Offset or Perimeter style chassis are approved for competition.

Conventionally mounted 5-inch springs or coil over type suspensions.

F.1 Roll Cage Construction

All roll cage tubing must be at least 1.75” x .090” wall. Welded gussets required on all joints. At least four evenly spaced horizontal bars required on left, and three on right side. X-configuration on right side, counts as one bar.

All door bars must be mounted to the frame rails and the main roll cage uprights.

Door bars must be connected with a minimum of two equally spaced vertical tubes.

Left side door bar deflector plates of at least .125” steel required. Diagonal bar in top hoop required.

Floor pan under driver must be heavy-gauge steel.

F.2 Driver Side Door Plates

Left side driver support bars or plates are mandatory. 1/8” solid steel plate

F.3 Interior Construction

Car interior area must be completely enclosed with respect to engine; track surface; tires and fuel cell compartments. All joints must be flange-fit. Crush panels must be made of aluminum. The area immediately beneath the driver, commonly known as the foot box area, must be constructed of .125-inch thick steel plate. Mainframe rails; front and real clip sections may not be pierced, drilled or otherwise altered for the purpose of reducing weight. Holes may be drilled to attach components and/or brackets only.

F.4 Ballast Weight

Ballast weight attached to any frame rail, must be attached with one (1) one-half inch (1/2”) grade Bolt per each No ballast weight is permitted to be welded to or attached to leg or doorplates. All ballast weight must be painted white with the car number legibly displayed in red or black on the weight. Lead shot; liquid ballast or ballast adjustment devices are not permitted. Tungsten, bb, or liquid weight is not permitted at anytime for ballast weight.

F.5 Steering Column

Quick-release, metal-to-metal steering wheel hubs are mandatory. Steering shaft must be padded or encased by protective sleeve, and resilient padding SFI Specification 45.1, up to but not including the release mechanism.

IMS recommends a collapsible steering shaft meeting SFI Specification 42.1

G Running Gear

Major steering components, steering arms; tie rods, idlers etc., must be fabricated from approved ferrous or non-ferrous alloys only. Any type of Traction control devices are prohibited.

G.1 Transmissions

Stock transmission with operating reverse gear required.

Bert or Brinn style transmissions ARE allowed.

No bottom load transmissions.

Must have two forward and 1 reverse working gears minimum.

One single lever shifter.

Must be self starting.

i. Bellhousing must have a 2.5 inch (2 ½”) inspection hole to insure a clear view of the clutch.

k. No Ceramic-coated bearings or Carbon clutch disc are permitted.

G.2 Driveshaft

The driveshaft shall be made of steel or aluminum, painted white. Carbon-fiber Driveshafts are prohibited. Containment loops, constructed of a minimum 0.1875-inch thick steel, are mandatory.

G.3 Front Suspension

Independent front suspension with articulated upper and lower control arm(s) is mandatory.

No suspension adjustment devices are permitted in the driver’s compartment area. Knobtype brake bias adjusters are recommended. Weight transfer or suspension adjustment devices, adjustable while the car is under way are prohibited. Spring rubbers are permitted and must be removed manually.

G.4 Rear Suspension

Non-independent, live axle type rear suspension is mandatory. Rear ends may be Quickchange with full-floating hubs or 9-inch Ford type. Rear axle tubes must be steel or aluminum. No open tube rear ends permitted. A maximum left side rear camber of 1 degree is permitted. Right side maximum camber is 1 degree. All camber measurements are made with the rear axle level.

Rear suspension must be solidly mounted (no rubber bushings). Heim Joints only.

No lift bar, fifth coil or other spring-loaded/hydraulic suspension device allowed. No rear stabilizer bars

G.5 Brakes

Only Brake Calipers from Approved manufacturers are permitted.

Hydraulically actuated, four-wheel brakes are mandatory. Brake calipers must have standard stamped stainless steel pistons. No up graded piston of any type or material is permitted. Maximum Net Racer Price from any manufacturer must not exceed $500.00 per standard caliper.

Rotors must be made of iron or steel; No Anti-lock Braking Systems (ABS) and/or Recirculators are permitted. Driver compartment brake bias adjustor permitted. Crank or Round type brake bias adjustors knobs must be securely mounted. Round brake bias adjuster knobs are recommended.

G.6 Shocks

Approved Non-Adjustable Shocks; Afco 13T, R, S series, Bilstein SZ, SN series, Carrera 6100, Pro A, AC, TA (Steel), PG (Pro Gas) series, QA1 21, 50, 62, 67 series, ARS 2000, Afco 21 series. Manufacturers components must be used, valving optional.  FULL LIST OF APPROVED SHOCKS TO FOLLOW SOON

Post Race shock disassembly is the responsibility of the Car Owner/Crew Chief. Bring Tools or make arrangements.

Not to exceed $350.00 each complete.

NO Bump-Stops/Rubbers, Compression-limiting or Coil-Bind set-ups.

One shock/spring per wheel. One (1) conventional (single coil), spring rubber per spring allowed.

SEE BELOW *****************************************************************************************

H. Wheels

All wheels must be 15-inch diameter steel wheels designed for racing with an 8- inch width maximum

I. Wheel Studs and Spacers

A minimum of five (5) lug nuts per wheel, minimum 1-inch (1”) solid steel nuts, showing a minimum of two (2) threads through the nut, must extend through the lug nut when bolting wheel to the hub.

Wheel Spacers, if used, must be made of steel or aluminum and a minimum 6.75 inches in diameter. Shims are not permitted when mounting wheel studs to hubs.

J. Tires

Tire will be the Hoosier 800 an all 4. One-tire rule will apply.

K Safety

In all matters pertaining to safety, Car Owners, Drivers and Crewmembers must review and educate themselves in all safety standards. It is the responsibility of the Car Owners,

Drivers and Crewmembers to install, wear and maintain all safety equipment as specified by manufacturer’s instructions. This includes, but not limited to, helmets, fires suits, racing suits, gloves, shoes, flame-resistant underwear, flame-resistant head sock, head and neck restraint systems, driver’s racing seat and safety belts.

K.1 SFI Foundation

Illiana subscribes to the SFI Foundation and references SFI specifications relating to safety equipment used in and on ALL racecars.

K.2 Driver Seat

All driver seats must be manufactured by a recognized manufacturer of seat and safety equipment, multi-layer aluminum seat and approved by Officials. Seats must remain “as purchased and produced”, no holes or other modifications made for weight reduction or homemade seat mounting. Homemade seats or sprint car seats are not permitted.

K.3 Seat Installation - Officials must approve driver seat installation

K.4 Driver Helmet – SFI Specification 31.1A or 31.2A

Driver helmets must conform to SFI Specification 31.1A Open Face; 31.2A Closed Face or Snell Foundation SA Standard. All driver helmets must reflect a Snell 2005 certification. SFI or Snell approval sticker must be visible for inspection. Eye protection is mandatory at all times.

K.5 Mandated Driver Head/Neck Restraint System –Strongly Recommended -Approved devices are Hans; Hutchens II; R3 and Hybrid.

K.6 Driver Uniform – SFI Specification 3.2 A/5

Driver uniform must be a multi-layer, full-coverage, one-piece fire-retardant uniform specifically designed for racing; fire retardant gloves; socks; and shoes meeting SFI Specification

K.7 Left Side Widow Net

Left side driver window net is mandatory. Construction may be either wide-mesh or web type safety net with mechanical release meeting or exceeding SFI Specification 27.1. Net bar must be a minimum of .1875-inch (3/16”) flat steel or .375-inch (3/8”) round stock and run the entire length of the window net between mounting points.

K.8 Rear View Mirrors

Internally mounted, rear view mirrors are permitted.

K.9 Safety Wiring

All drain plugs, and quick change cover nuts/bolts, must be drilled and safety wired for Qualifying and Racing.

K.10 Fire Suppression System – A minimum five-pound (5) on-board fully functional fire suppression system, with multiple discharges point is mandatory. Cold Fire recommended for cockpit usage.

Other Addendums:

Transponders: All teams will be required to have and maintain their own X260 AMB transponder-scoring device. Traveling teams that do not have one will be offered to rent one for the evening at a cost of $20.00. A valid drivers license is needed to rent unit.

Shock Rule

Shocks may not exceed $350 MSRP NEW Selling Price and Published.

“Non- Adjustable or Single Adjustable Only”

Below is a partial list of common shocks that can be used per 2010 rule

Advanced            Series 2000, 2200Single -Adjustable

Racing                 Series 4000    Non - Adjstable

AFCO                  13 T Threaded Body     Non- Adjustable

                            46 Series Threaded Body   Single- Adjustable

Bilstein                 ASN Series    Re-Buildable

Carrera                91or 94    Single - Adjustable

Ohlins                  CCJ Series     Single - Adjustable

Penske                7500 Smooth Body      Non - Adjustable

                            7100 Steel Body                                 Non - Adjustable

Pro                       AC Series Threaded Aluminum        Non-Adjustable

                            AC Series Threaded Aluminum        Single - Adjustable

QA1                     Series 24, 68                                       Single – Adjustable

                            Series 62, 67, Aluminum                    Non Adjustable

Questions? Contact Tom White - email twhiteilliana@aol.com        Cell (708) 738-7036

Illiana Speedway "2011" Season

Late Models and Limited Lates Will be Combined

Limiteds Conforming to The 2010 Rules Will Run 10" Wheels

W/ Hoosier 40&50 Tires

They Will Be Allowed 1% More Left Side Weight And  Weight 2700 #