SECTION 12
LATE MODEL DIVISION SPECIFICATIONS

SPARTAN:

  A. BODIES
  B. ENGINES
  C. WEIGHT
  D. REAR AXLE AND DRIVE SHAFT
  E. BRAKES
  F. EXHAUST
  G. FUEL AND FUEL CELL
  H. STARTER
  I. ROLL CAGE AND CHASSIS
  J. WHEELS AND TIRES
  K. SUSPENSION
  L. SAFETY EQUIPMENT
  M. RADIATORS
  N. TRACTION CONTROL

A. BODIES:

a) Hood and rear deck must be securely fastened down in four corners by hood pins or hinges at all times the car is on the track. Hood air scoops, a maximum height of 4", are allowed. Fender openings may be radiused and flared and 2" of the treaded portion of the tire may remain outside the body lines. Wrecker quick hook ups are mandatory at both ends. Jacking posts are allowed but must not extend beyond the body. Overall construction, workmanship and appearance subject to approval of Spartan officials.

b) Rear spoiler maximum of 8" high X 72" wide for cars with shelves greater than 4". For cars with a 4" shelf the maximum 9" high X 72" wide. All spoilers may not extend past the edge of the body and may not be closer than 3" of the outside of the right rear tire. Must be made of clear flat material. Bracing may be from the front or rear. Front bracing a maximum of (3) 3/4 " round supports. Rear bracing must be inset from sides of quarter panel a minimum of 3" on both sides. Rear facing lips 1" maximum only. Maximum height from the ground is 42" with a 8" spoiler and 43" with a 9" spoiler.

c) Roof height minimum of 45" measured 10 inches back from windshield. Maximum of 2" drop from centerline front to back and 2 1/2" maximum from side to side on any point on roof (see diagram). Maximum 102" measurement from front of roof to base of spoiler using a tangent (taut) line. Minimum roof size is 38" long and 45" wide.

d) Body width maximum of 82" overall in any area of the front steadily decreasing in width to a maximum of 76" at the center of rear axle then tapering to a maximum of 72" at the rear spoiler.

e) Window openings minimum of 12" by 22". Driver must be able to get out of car on both sides with helmet on. No add on pieces in window area. No boxing in of window area.

f) Shelf 4" maximum with a 1" maximum radius measured from front windshield post back to front of C pillar. C pillar may taper inward no more than 9" from the edge of the body, at a point 52" forward of the base of rear spoiler. C pillar is to be made of aluminum and may not be concave in any direction and at a 30 degree minimum angle from horizontal.

g) Windshield - Full windshield mandatory with a minimum of 1" center brace. Must be Lexan of 1/8".

h) Rear overhang measured from center of rear axle, 46" maximum to furthest point back excluding bumper. Quarter panel to be perpendicular to the ground. Quarter panel minimum 8" from ground to bottom of panel.

i)Front nose after-market nosepiece (ARP, Howe, Five Star, Performance, etc.) only. 15" from ground, 8" back. 45" maximum-center of hub to tip of nose. No square corners.

j) Rear bumper height maximum 12" from ground to bottom of bumper, rounded ends.

k) Rear window any contour radius of elliptical shape resembling stock design, but may not come to a point. No V shapes or concave, window must remain flat in the center and must also have a rear window brace, placed in the center. Rear window must be kept completely clear.

l) Rear deck lid maximum of 28" from base of rear window to base of rear spoiler. Deck lid must be removable or have access panel (may vary from track to track).

m) Back panel minimum 14 inches, perpendicular to ground. (optional)

n) Track width maximum of 82" measured outside of tire to outside of tire.

o) Rub rails maximum of 1" by 1", no sharp edges, must have closed ends and may not be higher than the center of wheel.

p) Wheelbase 102" minimum.

q) ABC Template bodies are allowed.

r) No full perimeter frame cars.

a) U. S. manufacture, cast iron block only. No aluminum blocks. Engines limited to one stock type carburetor. Two carburetor return springs in good working order must be used. Choke housing and mechanism may be removed.

b) Engine location - V 8 will be allowed up to 4" setback to be measured from center line of upper ball joints to center of front most cylinder. Provisions must be made so that measurements can be taken.

c) Sealed crate engines are allowed and will be given a 200lb weight advantage:

GM part number 88958604
Ford part number M-6007-D347
Dodge part number P5007958

Minimum 2700 lbs. pre-race with driver strapped in seat, in an upright position, as if race ready:

All added weight must be painted white and number painted on each weight. All weight must be double bolted with 1/2" bolts. Weights must be block type and weigh a minimum of 10 pounds each. No welded in weights allowed.

D. REAR AXLE AND DRIVE SHAFT:

Rear axle assemblies, quick change, full floaters or truck rear ends are mandatory. One oval (360 degrees) shaped brackets, no less than 2" wide and 1/4" thick are to be placed around the drive shaft and fastened to the cross member. Drive shaft must be painted white.

E. BRAKES:

All cars must have four wheel, hydraulically-actuated brakes in working order.

F. EXHAUST:

All cars must have working mufflers passing 100 decibel noise test. Exhaust must exit behind the driver and exit in the lower 1/3 of car.

G. FUEL AND FUEL CELL:

Approved type fuel cells are mandatory complete with metal enclosing container and internal bladder (foam filled). "Drybreak" system and check ball vents lines are mandatory if car can be fueled from outside body filler openings. Otherwise, fuel cell must have secure screw type cap with safety chain and fuel may be added only by opening trunk lid. 22 Gallon maximum capacity. Fuel cell must be protected by welded bars with 1" square tube supports under the fuel cell. A rear fuel guard is also required. Fuel cell should be located as close to the rear axle as possible and in back of the rear axle, must also remain between inside tread width. Fuel cell container must have a minimum of 8" ground clearance. A solid metal firewall must be in place to separate the driver from the fuel cell. No fuel line inside the driver's compartment allowed. No part of the fuel lines shall be located below the bottom of the frame or along the outside of the frame. Only racing or straight pump gasoline or alcohol allowed. If alcohol is used, a 6" letter "A" must be displayed in a contrasting color on rear panel and lower right hand corner of windshield. No provisions or concessions will be made for alcohol cars on long races. You may not use larger fuel cells.

H. STARTER:

Must be in working order. Motor should be able to start with own battery. Battery must be securely fastened in engine compartment or behind rear firewall. It must be covered and not in the same compartment with the driver. Battery must be kept charged, master switch must be mounted within easy reach of driver strapped in seat and must be easily accessible from outside the car.

I. ROLL CAGE AND CHASSIS:

Chassis may not be adjustable from driver's compartment. No electric, hydraulic or pneumatic jacking devices allowed. No holes may be drilled in the chassis for lightening purposes. Roll cage padding is mandatory on four post design with front roll bar following windshield contour and rear roll bar in back of driver's seat. Top of roll bars must be connected to form a box section and be at least 2" above the driver's head. Distance from frame rail to bottom of roll cage must be a minimum of 34" or 2" above the driver's head as seated in the car, whichever is greater. Bars must be securely welded to the frame. Four bars at driver's hip height shall be installed on the driver's side, between front and rear roll bars. A 1/8" steel plate is mandatory on driver's side door bars from front upright to rear upright and from top door bar to frame rail. Three bars are to be installed on the right side with the same stipulations as above. Roll cage structure shall be braced to front frame sub with a hoop section surrounding the engine compartment and rearward with diagonal members connecting to rear frame section. Bottom bay of car in cockpit section, must have an X member spanning laterally between main frame members. All roll bars must be a minimum of .090 wall thickness. Seamless tubing of 1.5" or seamed tubing of 1.75" outside diameter must be used. The driver's seat shall be attached via aircraft type hardware to a substructure connecting to the roll cage and/or primary frame members. A racing quality aluminum bucket type seat is required with headrest securely mounted to frame and roll cage. Back of seat must be secured to roll bar behind driver. Shoulder harness must run through hoops. Two foot bars mandatory. No box type decking in driver's compartment. Decking must angle from right side door to base of driver's seat.

J. WHEELS AND TIRES:

All wheels must be steel or aluminum racing wheels, 15" diameter only and a maximum of 10" wide. Wheels may be chromed plated.

Tire: Hoosier 970. Tires are available at the track.

K. SUSPENSION:

Fully independent front end suspension, A arm type, no aluminum spindles allowed. Front suspension may be treated (heat shot peening, etc.) and reinforced to increase strength. Steering must be reinforced for safety. Steering arms may be modified. Larger size shafts will be permitted. No independent rear suspension permitted. Rear suspension may be suspended by leaf, coil spring or coil over shock units. Coil over shocks may be used on front suspension. Weight transfer devices may not be automatically actuated by the driver. No type of traction control will be allowed, electronic or otherwise.

L. SAFETY EQUIPMENT:

Approved driver's side window net with quick release mechanism attached to top of roll cage is mandatory. Driver must be able to enter or exit out both doors through window openings. All cars will be equipped with MINIMUM 3" wide belt, 2 piece shoulder harness, and crotch strap with metal to metal central release. It is mandatory that all drivers use an unaltered safety neck brace (horse collar); a head/neck restraint system is highly recommended. This system must be in good condition with a 3 year maximum dating. Safety inspector has final say. Restraint system must be securely attached to roll cage structure. Safety glasses, goggles or face shield is mandatory. An approved head restraint will be located directly behind driver's head with driver seated normally. Fire extinguisher, currently dated, B or C type dry chemical is required within reach of driver. Automatic on board fire extinguisher systems are highly recommended. All other required safety equipment and specifications are addressed in Section 4 of this rule book.

M. RADIATORS:

Any type may be used providing it does not alter the hood or body sheet metal. All radiators must be mounted in front of engine and must not protrude through the hood. Water is the only acceptable coolant, no ethylene glycol content (anti freeze). There will be a $50.00 fine imposed for use of anti freeze and deducted from purse.

N. TRACTION CONTROL:

Is not permitted. No adjusters of any type in cockpit with the exception of brake bias. **MSD box must be mounted out of reach of driver sitting in car.

2011 Late Model Alliance Rules