2008  Pro Late Models Rules 2008  Sportsman Rules    2008  Super Late Models Rules 2007  Chain-Gang Races &            Figure-8 Trailer Races

2008  Modifieds 2008  Bomber & Figure-8 Rules 2008   School Bus Figure-8 Rules 2008  Factory Stock - Rules

updated 3-28-08

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2008 Official Pro-Late Model Rulebook
 

The Crate Engine and ABC Template Body are permanent options for the PLM division.  They are not mandatory.

BATTERY - One battery only. Must not be located in driver’s compartment. Must be securely mounted to structural member. Battery disconnect switch behind driver seat, mandatory.

BODY SPECS-Outlaw (Template Body to be installed to “ABC” standard)

1.     Bodies must be neat in appearance.

2.     All cars must have steel or aluminum interior.

3.     Aluminum or fiberglass body parts allowed (except floor pan).

4.     No coffin/dirt type interiors. Strictly enforced.

5.     No angled or wedge-type bodies.

6.     Rear quarter panel width-72” max. Must gradually taper from body width at tires to the width at the rear spoiler. (No straight quarters with an abrupt kick-in just before the rear spoiler)

7.     Rear spoiler: Will not extend beyond bumper. Height- 8” from front side including curl. Width- 72” max.  Must be centered.  Clear Lexan ONLY- No Graphics.  Triangular braces may not exceed 18” in length and will not extend beyond top of spoiler. (Template cars-6.5” x 60” max)

8.     Width of body at front tires and rear tires...................max. 78”

9.     Body ledge-4” max. Measured between front & rear window post. C-pillar may taper in 9” max from edge of body at a point 52” forward of base of rear spoiler. No concave panels. C-pillar must be at 30 degree min. angle from horizontal.

10. Roof width (side to side)............................................min. 45”

11. Roof length...............…......................….….……….....min. 38”

12. Height of roof to ground (10”from front and back).min. 45”

13. Ground clearance of body forward of front tires min.3”, Template car………..................…...........………….….4”min.

14. Center of front hub to front of nosepiece/spoiler .......max.45”

15. Wheel base…………………………................………min. 102”

16. Tread width, measured sidewall to sidewall at spindle…………....................................................…. max 80”

17. Center of rear hub to back of quarterpanel  …...….. max.  46”

18.           Height and width of side window  (template will be used)     Height........................min.14”;  Width......................... min.20”

19. Ground clearance behind rear tires to quarterpanel ....6” min.

20. Ground to bottom of fuel cell  .…..................…………. min. 8”

21. Top of quarterpanel to ground. Measured at spoiler. max. 37”

22. Driver must be separated from engine, fuel cell, and oil systems by metal firewall.

23. Rear of car must be enclosed. Panel min.  14” High.  Measured vertically.

24. No louvers, springs, holes or hinges in deck lid or back panel.  Must be solid & flat. Deck lid must be fastened and secured.

25. No aero-devices within quarter panels.

26. Aftermarket nosepiece only (Howe, Five Star, ARP, etc).  Must remain unaltered except center may be cut for sizing only. Measuring 15” from ground, nose can not exceed 8” back from its most forward point.

27. Front windshield and rear window are mandatory, 1/8” min. Lexan only. NO concave or radical type windows.  Round type rear window must make a uniform, continuous radius.  No offset teardrop. Must resemble window in diagram on page 19. No multiple radius rear windows allowed. Must remain flat in center.

28. Rear bumper must be as wide as quarter panels and extend at least 3” back for push truck clearance. Must be12” max from ground to bottom of bumper.

29. Any car that appears TOO RADICAL may not be permitted to run.  Subject to track approval.

BRAKES – Four wheel brakes required, in good working order.  Multi-piston calipers, ok.

BUMPERS – All reinforcement must be from backside of bumper. Ends must be capped, rounded and smooth.

CAR CONSTRUCTION – All cars will be built in a safe, workman like manner, subject to track approval.  No driver-adjustable devices, except brake bias, allowed.                                                

CAR NUMBERS:

Numbers with a color contrasting with that of the car will appear on both doors, numbers will be 18-in. high with a min. 2-inch stroke.  A 6” number will appear on both front & rear of car. Driver’s name will appear over both doors in 4” letters. Car number must be on upper right corner of windshield in 6” stroke.  

CARBON FIBER COMPONENTS: Not allowed.

CARBURETOR/INTAKE: No cutting or welding of intake.  1-inch spacer allowed.  “Box Stock” 500-CFM Holly 2 BRL part #4412 with 1-11/16 maximum base only. Crate eng. may use Holly 80541-1. NO ALTERING. Choke horn may be removed. 

CLUTCH:  Stock or multi-disc clutch allowed-5.5” Dia. min.

Stock clutch must be equipped with safety bellhousing, or scattershield.

 DRIVE SHAFT: A metal strap is to be located in the forward   1/3 of the driveshaft to prevent it from dropping to the track. Drive shaft must be painted white.

  ENGINE:

1.     Max. 360 C.I.D. Max. 12.5 : 1 Comp.   ZERO  TOLERANCE

2.     No aluminum heads or engine block. 

3.     Roller Rockers allowed, no other roller components allowed.

4.     Stock-type cast iron heads only. Aftermarket heads allowed.

5.     Ground to centerline of crankshaft  - 10” min. Template cars- 11” min.

6.     Forward most spark plug must align with ball joint- 1” tolerance max. Template cars- 4” max. set-back allowed.

7.     Single stage external oil pump system allowed. No dry sump systems.

8.     The following sealed engine packages are optional and must comply with lines 5,6 & 7 above. G.M. Crate engine package #88958604, Ford Crate engine package #M-6007-D347 and Dodge engine package #P5007958 allowed with a “Box Stock” 650 cfm Holley 4150 HP # 80541-1 (no carb spacer allowed). Immediate disqualification if any factory seals are broken.

EXHAUST: Mufflers Mandatory – 97 DECIBELS MAX- NO TOLERANCE. NO EXCUSES. It is recommended that exhaust exit underneath and within body panels. Exhaust is to exit in lower 1/3 of car, behind driver. Cars exceeding decibel limit will not compete. No part of the exhaust system may pass through driver’s compartment.

FRAMES:

1.     Stock and tubular frames allowed.

2.     Minimum frame height from ground- 3”.

3.     Upper A-frame mounts may be changed to accept tubular upper A-frames.  

FUEL CELL:

1.     FUEL CELL MANDATORY. Must be securely mounted to frame. Subject to track approval.  Fuel lines will not pass through driver compartment. No filler tubes.

2.     Steel cans only. Fuel cap must be tethered to cell.

3.     Ground to bottom of fuel cell will measure 8” min.

4.     No electric fuel pumps.

HUBS:  Wide-5 hub, ok.  Heavy-duty lug nuts and 5/8” wheel studs mandatory.

IGNITION: Battery-powered ignition only. No crank trigger, No multi-coils. No traction control.

MIRRORS & Communicational Devices:  Not allowed.

RADIATOR: One radiator only. Must vent into catchcan (or) mount overflow tube at center of windshield in clear view of officials. Water is the only coolant allowed.       

REARENDS:  Floater-type rearends recommended. Ford-9” and Quick-change, ok. Steel axles only. No C-clip rearends.

ROLL CAGE:

1.     All cars must have center roll-cage made of DOM seamless tubing -minimum 1-3/4 O.D. with a minimum .095 wall.  Roll cages will be gusseted and braced front and rear.  Minimum of 4 door bars on driver’s side - 2 on passenger’s side. 

2.     All bars around driver’s head must be padded with roll bar padding.

3.     All cars are required to have 1/8” steel door plate 24” x 24” on the driver side and 12” x 18” kick plate to protect driver’s legs.

SHOCKS / SPRINGS:

1.     Screw jack cars- Minimum 4” dia. spring- rear. Minimum 5” dia. Spring- front.

2.     Coil-overs & aftermarket struts permitted on template cars.

3.     Outlaw cars, w/coil-overs must weigh 2875 lbs, min.

4.     One shock per wheel only. Shock must racer net for no more than $200. No externally rate-adjustable shocks. Recharging valves permitted. No remote reservoirs.

5.     May be moved from stock location.

SUSPENSION: (see “weight rule”)

1.     Stock front lower. Tubular upper A-frame allowed. 

2.     Non-coil-over, stock steel strut cars- 2800 lbs.

3.     Rack & pinion, ok.

4.     No Electronic or Hydraulic Traction Control Devices. No hydraulic trailing arms. Maximum- one spring-loaded rear suspension device only.

 

    TIRES: Hoosier 970’s. NO SOAKING ALLOWED.

TRANSMISSION:

1.     Racing transmissions allowed.

2.     Must have working reverse gear.

3.     Transmission cooler must be in engine compartment.

WEIGHT RULE:

1.     Cars are required to meet allowable weight and percentages at any time, including post-qualifying and post-race.

2.     In the event of a new track record driver will pass post-qualifying tech immediately after qualifying.

3.     OUTLAW CARS: Screw jacks, 5” front springs, 4” rear springs and stock lower control arms- 2800 lbs. after race, with driver. 56.0% max. left side,  50.0% max rear weight with driver.

4.     OUTLAW COIL-OVER CARS: Same as above except with coil-overs and/or aftermarket strut suspension- 2875 lbs.

5.     TEMPLATE CAR: ASA Late Model-legal car. Body must be installed to “ABC” template spec. (2004-2007 Monte Carlo, Taurus, Intrepid, Grand Prix). Hoosier 970 tires, 8” steel rims- 2650 lbs. after race with driver. 58% max. left side weight. Template car may use any Dixie approved engine package.

6.     Centerline, Nose and side-to-side templates will be used with a 7/16” tolerance max. Penalty for exceeding tolerance is 50 lbs per template.

7.     In the interest of competition, weight may be adjusted.

8.     Lead only may be used for ballast and must be anchored with (2) ½”dia bolts minimum. All weight to be painted white with car number painted in contrasting color. Any weight found not painted white, with car number, will result in disqualification.

WHEELS:  Any steel wheel- 8” max.

   WRECKER HOOKS: Eye bolt or cable to bumper or frame, front and rear. Must be Visible.                              

 

 

                                            

 

                         

 

 

 

 

 Dixie Motor Speedway
10945 Dixie Hwy; Birch Run, Michigan 48415
Track Office: (989) 624-9778; Fax: (989) 624-9570
Email: info@dixiemotorspeedway.com