Back to Rules
 
2008 E-Mod Division
 

 

E-MODS

ECONO MODIFIEDS  - THIS IS AN ECONOMY DIVISION.  PLEASE HELP US BY NOT OVERSPENDING.

DEERFIELD 2007 EXTREME PRO COMPACTS CARS WILL BE ELIGIBLE TO RACE IN THE E-MOD DIVISION IN 2008, BUT MUST MEET 2007 DEERFIELD EXTREME PRO COMPACT RULES.

ROLL CAGES:

 

1.  Must consist of a continuous hoop not less than 1.5 inches outside diameter, and must have a wall thickness of at least .095 inches.

 

2.  Must be frame mounted in at least six (6) places.  Roll bar padding required in driver compartment.

 

3.  Must consist of a configuration of front and rear hoops connected by tubing on the sides, or side hoops. Driver’s head should not protrude above cage with helmet on and strapped in driver's seat. Roll cage must be securely supported and braced.

 

4.  Low carbon, mild steel tubing is recommended. No brazing or soldering allowed.

 

5.  Protection of feet is mandatory. Bar across back of engine with vertical bars and rub rails, or similar protection.

 

6.  No brace bars forward of cage may be higher than stock hood height. Main cage no further forward than engine plate.

7.  A minimum of three (3) driver side door bars, at least 1.5” OD, must be as parallel with the ground as possible, and located perpendicular to the driver so as to provide maximum protection for driver, but with out causing undue difficulty in getting in or out of the vehicle.  The side bars must be welded to the front and rear of the roll cage members.  No brazing or soldering.  Door plates recommended.

FRAMES

 

1.  Frames – tubular or factory frames ok, rear wheel drive R.W.D. only.

2.  Front suspension and steering must be unaltered OEM and must be replaceable by stock parts from same type of suspension.  Stock passenger car spindles only; no fabricated spindles.  Bottom A-frames must be stock and cannot be altered or moved.  Front sway bar.  No aluminum or fiberglass suspension parts.

3.  Tube type upper A-frames allowed and can be moved.

SPRINGS 

1.  Leaf, coil spring, or coil over spring OK.  Coil over shocks are OK.  No torsion bars allowed in rear.

2.  One steel bodied shock per wheel only.

3.  No hydraulic, ratchet or electric weight jacks anywhere in or on car.  No air shock or air bags allowed.

4.  Minimum wheel base, 108 inches, max 112 inches.

BODIES

1.  Firewall and floorboards are mandatory.  Fiberglass or metal duplicates of body parts are permitted. Handmade body parts may be constructed of steel, aluminum, or fiberglass.  After market bodies permitted.

2.  All cars must have complete paint job.

3.  All cars will be numbered with large legible number on the top and sides.

4.  Numbers shall be in contrasting color to the body.  Sponsors’ names shall not interfere with numbers and must be neatly done.

5.  Engine compartment will remain open, no side panels; hoods may have maximum 4” drop and must be closed at the rear. 

6.  Bodies should extend no further forward than back of block.  Rear of body to be solid panel at least 8” high and include the car #. 

7.  Driver window openings on both sides to be at least 12” vertical and the driver side must have a window net.

8.  No car covers or covers on suspension parts.

BUMPERS

1.  Bumpers should be used both front and rear.  Front Bumpers should be mounted frame end-to-frame end with the bottom loop parallel to the ground.  Bumpers should be made of 1 ¼” tubing and must be able to support the car if lifted by the wrecker.

2.  Rear bumpers, nerf bars, and bodies must not extend beyond the width of the rear tires, and must not have any sharp edges.

3.  Rear bumpers may be made of tubing or flat stock, and must protect the fuel cell. Center of the bumpers (front and rear) must be 18” (+ or – 2”) from the ground.  Rear bumper no more than 2” wider than the body.

 

ASPIRATION

1.  Fuel may be gasoline.  No nitrous oxide.  No performance-enhancing fuel additives of any kind.

2.  One 2 barrel carburetor; Holley 4412 untouched (may be asked to switch at track).  No fuel injection, no electric fuel pumps.

MUFFLERS

1.  Must run quiet type mufflers to meet a .95 db test.

REAR ENDS

1.  Any passenger car type or truck rear end may be used; no aluminum allowed, except lowering blocks, axle cap, drive plate, and differential housing.

2.  No quick change devices allowed.  No cambered rear ends (one piece drive flange only).

TRANSMISSIONS

1.  Only OEM production type transmissions will be allowed—3 speed, 4 speed and automatic.  No “in and out” boxes.

2.  Must have clutch working, with motor running and car in still position, driver must be able to engage car in gear and move forward, then backward at time of inspection.  Clutch must be inside of a bellhousing.

3.  Clutch type transmissions musts have an explosion proof steel bellhousing.  Automatic transmissions must have an approved scatter shield or blanket.  May be constructed of ½” by 4” steel 270 degrees around flexplate or flywheel.

4.  No buttons or couplers.

5.  Transmissions must have at least one gear forward and one reverse, plus a neutral position and must be able to be shifted by driver. 

MISCELLANEOUS

1.  Brakes must be operable on all 4 wheels and lock up all 4 wheels during inspection.  No brake shut-off devices allowed.

2.  Exhaust system must be mounted in such a way as to direct spent gasses away from cockpit of vehicle and away from areas of possible fuel spillage.

3.  Racing fuel cells required and must be mounted by 2 straps around cell and be protected by roll bars and enclosed in a metal container.

4.  No part of fuel cell shall be lower than protective tubing.

5.  Fuel cell must have check valves.  Bladders type highly recommended.  Size limited to 32 gallon max. capacity.

6.  Batteries must be securely mounted and shielded.

7.  All vehicles must have the ability of starting without being pushed or pulled.

8.  Kill switch required within easy reach of the driver, and clearly marked “off” and “on”.

9.  Must have a driveshaft hoop painted white and drive shaft must be painted white.  No aluminum driveshafts.

10.  Steering box must be OEM type.  No rack and pinion allowed.  In cockpit steering may be modified to suit driver’s taste, but must remain on left side of cockpit.  No center steering.

11.  Aluminum wheels, hubs, calipers, “A” frames or spindles, or any other aluminum suspension parts, are not allowed.  Plastic wheels not allowed.  Calipers cannot be lightened and must be OEM type.  Rotors cannot be lightened or drilled.  Rotors may be redrilled for a different bolt pattern or larger studs.

12.  No mirrors allowed.

SAFETY EQUIPMENT

 

1.  Helmets are required and must be Snell 95 approved and should be worn at all times when on the track.

2.  Firesuits of a flame retardant nature must be worn.  2-piece is allowed.

3.  Fire resistant gloves and shoes are highly recommended.

4.  Five point safety belts, sub belt, shoulder harness required.

5.  Loose objects and/or weight must not be used in the driver’s compartment, or on the outside of the body or hood area.  Any weights added to any other area of the car must be securely mounted, painted white, and have the car number on it, and be attached with at least two ½” bolts.

6.  Car must weigh no less than 2300 lbs. with driver and helmet in the car, immediately following the feature race.

 TIRES

1. Hoosier  - 12322 and 12330

2.  8 inch steel wheels.  Bead locks allowed.

3.  Maximum overall width 78 inches front and rear.  This measured from the outside of tread.  Maximum ½” spacer between the hub and wheel.

4.  No wide five adapters.

5. No tire soaking.

ENGINES

1.  All engines used in competition must be able to be used in conventional passenger car without alterations.  Motor mounts cannot be removed or altered.  Castings and fittings may not be changed.  No machine work on the outside of the engine or on the front or rear of the camshaft.

2.  No dry sump systems.  Wet system must be operative.

3.  Small block V-8 only.  GM or Ford CID must not exceed 360 CID, Dodge must not exceed 368 CID. 

Engine must:

a) flat top piston only,

b) flat tappet or hydraulic camshaft only,

c) cast iron head only,

d)  HEI ignition or point ignition, No MSD ignition, No magnetos.

4.  Cooling systems may be modified.  Radiators and oil coolers must not protrude above the interior.

 

 

 

BODIES

 

 

Note

Maximum

Minimum

Description - (all measurements are in inches)

A

112

108

Wheel base.

B

38

28

Ground to top of door and quarter panel.

C

45

34

Center of rear wheel to back of quarter panel and/or rear bumper.

D

120

106

Front of door to rear of car.

E

72

-

Or not past the back of the block. This is on the right side, the left side may extend forward to cover the foot box.

F

27

22

Height of the door.

G

52

42

Ground to top of the roof. To check the roof rake, a four-foot level should be placed on the roof of the car. Must have less than 2" of clearance at the rear of roof, 5" at the front.

H

18

12

Vertical window opening. Driver's side window and passenger side window must remain open except for support angles in roof pillar openings. Support angles cannot exceed past the front roof line. Roof pillars must be in place. Window net highly recommended in driver's window.

I

66

53

Body width.

J

50

44

Roof width.

K

56

41

Roof length. Front and rear roof edges must remain flat. No bending for spoiler effect.

L

 

 

The left rear tire must be partially outside the body and nerf bar, and be visible from the front, rear, and top.

M

 

 

The driver's compartment must be totally sealed from the engine and the race track.

N

 

8

8" rear panel

 

 

 

 

 

 

 

 

 

 

 


 

 



If there is a spec that you are unsure of, please do not assume that it will be acceptable or legal. If you have a question about rules, please contact Paul Miller at 330-823-7239 8:30-5:00 M-F or e-mail your question and/or concern to genesis54@neo.rr.com
 

 

Back to Top of Page