Driver Dash

All Xtreme Outlaw Series drivers must have a current DIRTcar Membership. 

Visit dirtcarmembers.com to update your membership or download the current member application and mail to DIRTcar Members, 7575-D West Winds Blvd., Concord, NC 28027.

2022 Xtreme Outlaw Sprint Series Rules

Section 1  Design and Construction

All phases of design and construction are subject to the approval of the Technical Director. The Chief Steward and the Technical Director may exclude any car, design, or construction, which they deem unsafe or not meeting the specifications, the spirit and/or the intentions of the rules contained herein.

Any component used in the construction or assembly of the chassis and/or accessories, if constructed of carbon fiber material, must be approved for use by the Technical Director prior to entering a competition.

Section 2  Dimensions and Weight

  1. The wheelbase must be at least 83 inches and no more than 90 inches. Centerline rear axle to front king pin center line
  2. The overall length will be limited to a maximum of 14 feet.
  3. Outside of the right rear wheel, at the outside bead seat cannot exceed 46 inches from the centerline of the rear axle center section.
  4. The right front tire cannot be farther out than the right rear tire when the right rear wheel is set at maximum offset (as measured straight line along outside RR to outside RF). Overall width is not limited.
  5. All cars must weigh a minimum of 1,375 pounds, including driver.
  6. Additional bolt-on weight must be mounted and fastened to the frame and/or chassis in a secure manner. Weight must be mounted in an area between bottom frame rails, front and rear axles and no higher than mid rails at cockpit. All weight must be mounted within confines of frame. No weight may be added during yellow or red flag.

Section 3  Car Construction and Body

  1. All cars shall be rear drive only.
  2. Only torque tube type drivelines, utilizing only one u-joint, will be allowed. The torque tube must be bolted directly to the face of the rear axle center section without any interruptions; the torque tube must be one solid piece. All cars must be equipped with a drive shaft restraining hoop or strap securely attached to the chassis, minimum hoop material is 1 inch x.065 steel tubing. A driveline containment system utilizing steel shield bolted to engine plate or containment blanket to cover torque ball and u-joint is highly recommended.
  3. Radius rods may not be attached within the confines of the cockpit. All radius rods must be one piece, no spring rods or shock dampers.
  4. The driver shall be seated directly behind the engine; centerline of top of seat at the driver’s helmet can be no more than one (1”) inch off centerline of roll cage.
  5. Only standard type Sprint Car bodies, tail tanks and hoods will be permitted.
  6. The front part of the body, known as the nose assembly, shall not be wider than the parallel lines of the body and may not exceed the width of the frame. The nose assembly may not extend forward beyond the confines of the front bumper. (Section 6 for bumper rule).
  7. Any item added to resemble imitate and/or specifically designed to deflect, trap and/or form a pattern for air to travel in a directed manner, except for those used to cool and/or protect engine and brake system will not be permitted.
  8. All cars required to run a full sprint-type hood. Side panels covering the sides of the engine and/or vertical spill plates may not extend vertically more than 1 (one) inch higher than any part of the hood covering the engine bay behind the front engine mount.
  9. Radius rod protectors will be permitted. Vertical opening ten (10) inches in height by twenty-four (24) inches long and extend no more than four (4) inches from outside edge of lower frame rail.
  10. Right side cockpit panels must have a minimum opening of one hundred (100) Square inches. Panels that restrict drivers’ vision at the discretion of officials will not be permitted.
  11. Left side cockpit panels may be thirty-four (34) inches high as measured from the bottom of main frame tubes at the engine plate and projected rearward twenty-one (21) inches.
  12. An effective firewall must be installed between the engine compartment and the cockpit. It must be as leak proof as practical.
  13. The motor plate may not be made from carbon fiber, or any type of composite materials.
  14. All paneling must not extend past edge of frame rails more than thickness of panel material.
  15. One (1) inch turnout allowed on all body and sail panel edges, except sun visor.
  16. Sun visors must not extend forward more than Nine (9) inches from the front of the forward most edge of the roll cage/halo tube and may not be wider than the width of the roll cage; sun visors must be flat on both sides. For fan recognition, all teams are encouraged to place the drivers’ name on their visors in large letters.
  17. Airfoils, wings, spoilers, or other aerodynamic appendages will not be permitted. The Chief Steward or the Technical Director may have any panel or part removed which in their opinion is not within the spirit or intent of this rule.
  18. Water radiators, oil coolers, battery, and any remote engine accessory, must be within the confines of the main frame tubes located between front axle and rear engine mounting plate.
  19. Panels attached to nerf bars will not be permitted.
  20. Rear view mirrors are not permitted.

Section 4  Roll Cage and Chassis

  1. All cars must have a roll cage, which is integral with the frame and does not encroach upon an imaginary cylinder, 20 inches in diameter, extending through the top cockpit opening directly above the seat. The roll cage should extend four (4) inches above the driver’s helmet when seated in the driving position.
  2. The following are the minimum frame/chassis material requirements. Must be constructed of 4130 normalized tubing or equivalent.
    • TOP RAILS 1 1⁄2” x .095”
    • BOTTOM RAILS 1 3/8 x .083”
    • ROLL CAGE UPRIGHTS 1 3/8” x .083”
    • ROLL CAGE CROSSMEMBER 1 1⁄2” x .095”
    • UPPER RAILS 1 3/8” X .083”
    • REAR END SAFETY BAR HIGHLY SUGGESTED 1” x .083”
  3. Maximum width of main frame tubes 29 ½ inches

Section 5  Fuel System

  1. A conventional tail tank, fuel cell and the fuel contained must be carried on the centerline of the chassis and be located behind the driver. All cars must be equipped with a tail tank and fuel cell/bladder meeting the requirements and the SFI Specification 28.2.
  2. All tanks must have a minimum of four mounts to the chassis.
  3. Fuel tanks may not be mounted to the chassis utilizing any portion of the access plates or the nut plates bonded into the fuel bladder. Exception is a secondary mount attached to the top plate to prevent the fuel tank from separating from the chassis in the event of a failure of the primary mounts.
  4. Fuel shut off valve within drivers reach mandatory.

Section 6  Bumpers/Nerf Bars

  1. The car must be equipped with a rear bumper at all times.
  2. Front and rear bumpers and nerf bars must be constructed of magnetic and or stainless steel (NO TITANIUM) tubing with a minimum of 1.0-inch O.D. and 0.065-inch wall thickness.
  3. All cars must have a tubular front bumper extending no more than 23 inches from the leading edge of front axle and 8 inches from frame. Bumpers must be constructed so as not to cause a safety hazard.
  4. Nerf bars cannot extend beyond the outside edge of the tire at any time.

Section 7  Steering and Suspension

  1. Removable steering wheels incorporating a quick release mechanism conforming to SFI Specification 42.1 are mandatory. Pip pin type mechanisms are not allowed.
  2. No rack & pinion steering allowed.
  3. Welded aluminum or titanium suspension parts prohibited for the exception of Jacobs ladder (watts link).
  4. Drag link strap mandatory.
  5. Drag links and tie rods be constructed of 4130 or magnetic steel 1.0-inch O.D. and 0.58-inch wall thickness with no swedging of ends. Magnetic heim joints (rod ends) mandatory on drag link and tie rod.
  6. No electronic weight, shock, sway bar or any suspension item adjuster.
  7. Independent suspension is not permitted.
  8. Only Front axles made of magnetic steel will be permitted. The minimum sizes permitted will be 2”x .156, 2 ¼” x .120, 2 3/8” or greater x .095
  9. Front axle tether systems are mandatory. (2) chassis and (1) king pin to king pin

Section 8  Wheels

  1. Plastic and/or carbon fiber wheels are not permitted
  2. The wheel diameter must be fifteen (15) inches.
  3. Front wheel(s) width is limited to ten (10) inches
  4. The wheel width for driven wheels is limited to a maximum of eighteen (18) inches on the right rear and a maximum of fifteen (15) inches on the left rear.
  5. An approved tire bead locking device must be used on the outer bead seat of the right rear tire and wheel assembly.
  6. All wheels and wheel centers are subject to the approval of the Technical Director.
  7. All bolts are mandatory in Bead lock and wheel centers.
  8. Digital bleeders are allowed. Air may not be introduced to the tire. Bleeders may not be controlled remotely.
  9. Any wheel cover dislodging under racing conditions will be subject to a fine. Wheel cover must utilize 5 dzus fasteners, or 3 bolts.

Section 9  Tires

  1. Hoosier MEDIUM, or H15 are the only approved right rear tires forl competition.
  2. Teams must utilize Hoosier tires on all four corners.
  3. Any member that attempts and/or is found to be using tires that are found to be illegal in any manner will be subject to disqualification and/or fine and/or suspension and/or loss of points and/or any other action deemed appropriate by World Racing Group Supervisory Officials.
  4. The minimum penalty for any tire that does not meet the benchmark will be as follows:
    • Disqualification from the event and;
    • A fine up to 1,000 championship and track points and;
    • Return of all earned purse and/or reward money from the event and;
    • A fine up to equal the purse money awarded for the event with a minimum fine of $2000 and;
    • A minimum suspension of 1-month minimum or 4 races, up to six (6) months in duration and;
    • Any cost incurred for testing
    • The penalty including fine and suspension may include the driver, crew chief, the car
      and car owner as stated in the penalty notice.
  5. TIRE PROTESTS: Tire protests may involve any tire. The fee will be $500 ($50) per tire. The
    protest will require the confiscation of the tire(s) protested. The tire(s) involved in the protest will be shipped by World Racing Group to the authorized laboratory for benchmark testing. The determination of the facility will be final and non-appealable.

Section 10  Throttle

  1. A minimum of two (2) return springs must be connected to the throttle.
  2. If the throttle actuating mechanisms is the cable type, the cable must be encased.

Section 11 Brakes

  1. Carbon fiber or carbon composite brake discs or components are not allowed.
  2. If at any time during competition it becomes evident that a car is without brakes, the necessary repairs must be completed before the car can continue in competition.

Section 12  Engine Size Limits

  1. Any engines not covered by the following specifications must be submitted to and approved by the Technical Director prior to entering a competition.
  2. Only small block V-8 engines with cam in the block and maximum 410.00 cubic inches.
  3. Engine block and cylinder heads must be machined from cast aluminum.
  4. Two (2) valves and one (1) spark plug per cylinder.
  5. Cylinder heads must retain traditional valve pattern. Rotation of valves not permitted.
  6. No titanium crankshafts, connecting rods and/or rod caps.
  7. Only normally aspirated engines will be permitted. No Turbo chargers, super chargers and/or forced induction.
  8. 16 fuel nozzles maximum, two (2) per cylinder. One (1) located in cylinder head and/or one (1) in injector manifold.
  9. Only mechanical fuel injection systems allowed.
  10. Only throttle plate (butterfly) and shaft throttle body styles with round circular bores will be permitted. K. Oil pan must have inspection plug. Plug to be a -12AN fitting or 1-inch inspection plug. No plug may remove pan.

Section 13  A4MP Alternative 410 Motor

  1. The A4MP Alternative 410 Motor Program is legal for use in all events. The rules and specifications for this engine program are available at: www.alternative410motor.com (this program subject to performance evaluation by WRG)

Section 14  Fuel

  1. Pure Methanol is the only approved fuel.
  2. All fuel is subject to testing at any time. Any fuel that does not conform to the standards, will be considered illegal. The use of illegal fuel could result in disqualification from the event and/or the entire program, along with fine and possible suspension.

Section 15  Ignitions and Electronic Equipment

  1. All cars must be equipped with one (1) ignition switch or emergency shut off located within easy reach of the driver.
  2. Electronically controlled fuel injection systems shall not be permitted.
  3. Only magneto type ignitions will be permitted. A single crank-trigger type system as back up ignition system will be per mitted. One (1) switch that alternates the current between the magneto and the crank trigger may be mounted to the dash within drivers reach.
  4. Electronics that provide traction control are prohibited. All electronic components may be inspected, sealed, or confiscated at any time. The maximum penalty for utilizing traction control is a one-year suspension from competition and loss of all points earned for the season.
  5. The use of any data collection device is not permitted.
  6. Electronic ignition is not permitted; exception A4MP Motor Program.
  7. Tachometer with water temperature and oil pressure collection capability are the only item approved for use to collect/record data. Specific device approval is at the discretion of chief steward.
  8. Multiple coil pack ignitions not permitted; exception A4MP Motor Program.

Section 16  Exhaust/Mufflers

  1. The car may be required to have mufflers if local conditions warrant. If so, this will be stated online in race information, and/or through a bulletin. The technical director may disallow a muffler that in their opinion is not within the spirit or intent of this rule.

Section 17  Safety Equipment

It shall be the responsibility of the Technical Committee to inspect all safety equipment prior to each event. Any participant not complying in full of all safety requirements in this Rule Book will not be permitted to compete.

  1. Approved aluminum and composite seats may be used, no fiberglass. Seats must be mounted with minimum of 4 bolts 5/16 diameter. Seats must be installed and used in accordance with manufacturer’s instructions. Approved full containment seats are required.
  2. It is mandatory that all cars have a headrest of high impact, shock-absorbing material meeting SFI Specification 45.2 behind the driver’s head with a minimum thickness of one (1) inch.
  3. Seat belts must meet SFI 16.5 or SFI 16.1, be within manufacturer expiration label (must have label). Seat belts must be installed and used in accordance with manufacturer’s instructions.
  4. Helmets – All drivers must wear a full-face helmet with a minimum safety rating of FIA 8859-2015, FIA 8860-2018, Snell SA2020, Snell EA2016, Snell SA2015.

  5. Uniforms – All drivers must wear fire resistant underwear, socks, shoes, gloves, and a one-piece uniform fitted snugly around the neck, wrists, and ankles. It is recommended that you also wear a fire-resistant head sock and/or helmet skirt. Recommended all above items meet SFI Foundation Specifications 3.2A and 3.3.
  6. Arm Restraints – Arm restraints are mandatory and must be worn at all times during competition.
  7. Roll cage nets will not be required with full containment seats.
  8. Roll Cage Padding conforming to SFI specification 45.1 is highly recommended with full containment seat.
  9. A SFI approved head and neck restraint system is mandatory.
  10. One way radio is mandatory (Racing Electronics Switchr, SoloII, or SoloIII- Frequency 464.5500). Two-way radio communication will not be allowed.
  11. Wi-Fi, cellular, or satellite device (including cell phones and smart watches) in or attached to the race vehicle or the driver will not be permitted.
  12. All forms of vehicle position system (GPS) will not be permitted.

Section 18  Car / Driver appearance

  1. Series logo must be placed on top section of sail panel right and left side for contingency programs and point funds. Series sponsor logo(s) must be placed on right and left lower cockpit side panels to be eligible for contingency programs and point fund.
  2. Car numbers must be displayed in three (3) areas: one (1) each side of tail and one (1) on front section of hood.  Driver uniforms must display Series logo on upper RH or LH chest to be eligible for point fund.

2022 Xtreme Outlaw Midget Series Rules

Section 1  Design and Construction

All phases of design and construction are subject to the approval of the Technical Director. The Chief Steward and the Technical Director may exclude any car, design, or construction, which they deem unsafe or not meeting the specifications, the spirit and/or the intentions of the rules contained herein.

Section 2  Dimensions and Weight

  1. The wheelbase must be at least 66 inches and no more than 76 inches.
  2. The overall width will be a maximum of 65 inches.
  3. The right front tire cannot be farther out than the right rear tire when the right rear wheel is set at maximum width (as measured straight line along outside RR to outside RF).
  4. All cars must weigh a minimum of 1,035 pounds including driver.
  5. Additional bolt on weight must be mounted and fastened to the frame and/or chassis in a secure manner. Weight must be mounted in an area between bottom frame rails, front and rear axles and no higher than mid rails at cockpit. All weight must be mounted within confines of frame. NO BALLAST/WEIGHT IN NERFS, BUMPERS, FRONT AXLE.

Section 3  Car Construction and Body

  1. All cars shall be rear drive only. Engine offset is limited to a maximum of one (1) inch, (two inches overall), from the chassis centerline as measured at the centerline of the crankshaft. Engine inclination is limited to forty-five degrees from vertical as measured from the vertical centerline of the cylinder bore.
  2. Only torque tube type drivelines, utilizing only one u-joint or cv joint, will be allowed. The torque tube must be bolted directly to the face of the rear axle center section without any interruptions; the torque tube must be one solid piece. Torque tube hoop and/or strap highly recommended. A driveline containment system utilizing steel shield bolted to engine plate or containment blanket to cover torque ball and u-joint is highly recommended.
  3. Radius rods may not be attached within the confines of the cockpit. All radius rods must be one piece, no spring rods or shock dampers.
  4. The driver shall be seated directly behind the engine; centerline of top of seat at the driver’s helmet can be no more than one (1”) inch off centerline of roll cage.
  5. Only standard type Midget Car bodies, tail tanks and hoods will be permitted.
  6. The front part of the body, known as the nose assembly, shall not be wider than the parallel lines of the body and may not exceed the width of the frame. The nose assembly may not extend forward beyond the confines of the front bumper (see 406 for bumper rule).
  7. Any item added to resemble imitate and/or specifically designed to deflect, trap and/or form a pattern for air to travel in a directed manner, except for those used to cool and/or protect engine and brake system will not be permitted.
  8. The engine must be covered with a cowling or hood secured in place. The hood or cowling need not enclose the sides of the engine.
  9. A forward-facing scoop, or ducting, supplying “forced air induction” to the injection inlets is not permitted. J. Side panels covering the sides of the engine and/or vertical spill plates may not extend vertically past tubing
  10. Any Wicker or turnout may not extend past the frame rail vertical of downtubes or cage, rearward of back of cage, or below bottom of lower frame rails.
  11. Right side cockpit body panels may be a maximum of thirty-six (36) inches high as measured from the bottom frame tube. Opening must be 150 square inches and not distract drivers vision determined by chief steward.
  12. Left side cockpit body panels may be a maximum of (36) inches high as measured from the bottom frame tube. Opening must be 150 square inches and not distract drivers vision determined by chief steward.
  13. Side visors on roll cage will be limited to eight (8) inches tall. Visors that restrict driver’s vision at the discretion of officials will not be permitted.
  14. Only steel, aluminum, or carbon fiber floor/belly pan are permitted. The floor/belly pan may not extend rearward past the leading edge of the rear axle and must be flat from side to side without any aerodynamic aids. Horizontal panels may not extend below the plane of the floor/belly or fuel tank.
  15. Sun visors must not extend forward more than seven (7) inches from the front of the forward most edge of the roll cage/halo tube and may not be wider than the width of the cage; sun visors must be flat on both sides. For fan recognition, all teams are encouraged to place the drivers’ name on their visors in large letters.
  16. Panels attached to nerf bars will not be permitted.
  17. An effective firewall must be installed between the engine compartment and the cockpit. It must be as leak proof as practical.
  18. The motor plate may not be made from carbon fiber, or any type of composite materials.
  19. Airfoils, wings, spoilers, or other aerodynamic appendages will not be permitted. The Chief Steward or Technical Director may have any panel or part removed which in their opinion is not within the spirit or intent of this rule.
  20. All paneling must not extend past edge of frame rails more than thickness of material.
  21. One (1”) inch turnout allowed on all body and sail panel edges, except sun visor.
  22. With the exception of suspension components, induction and/or exhaust systems and nerf bars, no accessory or compo nent of the car may extend more than 6 inches from the main frame tubes. Cylindrical oil tanks mounted outside the frame, behind the engine must be mounted as close to the frame as practical.
  23. Rear view mirrors are not permitted.

Section 4  Roll Cage and Chassis

  1. Frame and/or chassis must be constructed of 4130 normalized tubing or equivalent.
  2. All cars must have a roll cage that is integral with the frame and does not encroach upon an imaginary cylinder, 20 inches in diameter, extending through the top cockpit opening directly above the seat. The roll cage should extend four inches above the driver’s helmet when seated in the driving position.
  3. Roll Cage Construction cars constructed after 1/1/98, main uprights forming the roll cage must be a minimum of 1-3/8 inches O.D. x .095 wall thickness 4130 normalized tubing or equivalent.
  4. No water or oil coolers are to be placed above or beside the cockpit opening.

Section 5  Fuel System

  1. A conventional tail tank, fuel cell and the fuel contained must be carried on the centerline of the chassis and be located behind the driver. All cars must be equipped with a fuel cell and tail tank meeting the requirements and SFI Specifications 28.2
  2. The minimum capacity of the tank must be 18 U.S. gallons.
  3. All tanks must have a minimum of four mounts to the chassis.
  4. Fuel tanks may not be mounted to the chassis utilizing any portion of the access plates or the nut plates bonded into the fuel bladder.
  5. The engine must be equipped with a fuel shut-off device located within easy reach of the driver.

Section 6  Bumpers/Nerf Bars

  1. The car must be equipped with a rear bumper at all times.
  2. Front and rear bumpers and nerf bars must be constructed of magnetic and or stainless steel (NO TITANIUM) tubing with a minimum O.D. of 7/8 inch and having a minimum wall thickness of .065 inch and a maximum wall thickness of .120 inch. A maximum of three horizontal and/or three vertical tubes are allowed in the construction of nerf bars.
  3. All cars must have a tubular front bumper extending forward no more than 21 inches from the leading edge of the front axle. Bumpers must be constructed so as not to cause a safety hazard.
  4. The right nerf bar cannot extend beyond the outside of the right rear tire.
  5. With the exception of the exhaust system, no components or accessories may be attached to the nerf bar assembly.

Section 7  Steering and Suspension

  1. Removable steering wheels incorporating a quick release mechanism conforming to SFI Specification 42.1 are mandatory. Pip pin type mechanisms are not allowed.
  2. Welded aluminum or titanium suspension parts are prohibited exception of Jacob’s ladder (Watts link) C. Drag link straps are required.
  3. No electronic weight, shock, sway bar or any suspension item adjuster.
  4. No independent suspension
  5. Wheel cover fasteners be made of steel is highly recommended

Section 8 Axles

  1. The car’s axles connecting the wheels must be of one-piece tubular construction without the capability of camber or independent castor adjustment to the wheel assembly. Offset kingpin bushings are allowed on front axle.
  2. Any other construction will be considered as independent suspension.
  3. All front axles must be constructed of SAE 4130 steel or a steel alloy equivalent in structural strength. Titanium front or rear axles are not permitted.

Section 9  Wheels

  1. The number of allowable wheels is restricted to two (2) front wheels and two (2) rear wheels on each car. B. The wheel diameter must be 13 inches.
  2. The wheel width is limited to eight (8) inches for both front wheels and the left rear.
  3. The right rear wheel may be a maximum of ten (10) inches in width.
  4. An approved tire bead locking device must be used on the outer bead seat of the right rear tire and wheel assembly.
  5. The use of full-face brake scoops and/or wheel covers on the inside of wheels is not allowed.
  6. All bolts are mandatory in bead lock and wheel centers.
  7. Digital bleeders are allowed. Air may not be introduced to the tire. Bleeders may not be controlled remotely.
  8. Any wheel cover dislodging under racing conditions will be subject to a fine. Wheel cover must utilize 3 bolts.

Section 10 Tires

  1. Hoosier SP-2, SP-3, SP-4 are the mandatory compound right rear tire for competition.
  2. Teams must utilize Hoosier tires on all 4 corners. LR tires must be D12 or harder.  D10 and RD12 will not be permitted on LR.
  3. Any member that attempts and/or is found to be using tires that are found to be illegal in any manner will be subject to disqualification and/or fine and/or suspension and/or loss of points and/or any other action deemed appropriate by World Racing Group Supervisory Officials.
  4. The minimum penalty for any tire that does not meet the benchmark will be as follows:
    • Disqualification from the event and;
    • A fine up to 1,000 championship and track points and;
    • Return of all earned purse and/or reward money from the event and;
    • A fine up to equal the purse money awarded for the event with a minimum fine of $2000 and;
    • A minimum suspension of 1-month minimum or 4 races, up to six (6) months in duration and;
    • Any cost incurred for testing
    • The penalty including fine and suspension may include the driver, crew chief, the car and car owner as stated in the penalty notice.
  5. TIRE PROTESTS: Tire protests may involve any tire. The fee will be $500 ($50) per tire. The protest will require the confiscation of the tire(s) protested. The tire(s) involved in the protest will be shipped by World Racing Group to the authorized laboratory for benchmark testing. The determination of the facility will be final and non-appealable.

Section 11 Throttle

  1. A minimum of two (2) return springs.
  2. If the throttle actuating mechanism is the cable type, the cable must be encased.

Section 12  Brakes

  1. No electronic controlled brake bias adjuster. (Manual adjustment only)
  2. Master cylinders not fixed to the frame must have flexible lines.
  3. Carbon fiber or carbon composite brake discs or components are not allowed.
  4. If at any time during competition it becomes evident that a car is without brakes, the necessary repairs must be completed before the car can continue in competition.

Section 13  Engine Size Limits All Divisions / RPM Limits for National Midget Events

  1. Pushrod Type Engines
  2. Four cylinder in-line, two valves per cylinder, water cooled, with intake and exhaust ports on the same side of the head using an aluminum block and approved non-cross flow aluminum “Fontana” cylinder head.

Maximum of 174 CID (2852cc)

Maximum RPM 8800

  1. Fontana (Rhino) sealed spec engine

Maximum of 200 CID (3278cc)

Maximum RPM (factory set and sealed) 7800

  1. Four cylinder in-line, two valves per cylinder, water cooled, utilizing an aluminum block and/or head. Maximum 166 CID (2721 cc)

Maximum RPM 8700

  1. Single Overhead Camshaft Type Engines
  2. Four cylinder in line, aluminum block and head, 2 valves per cylinder.

Maximum 161 CID (2639cc)

Maximum RPM 10300 (Esslinger)

Maximum RPM 9800 (Esslinger BB7)

Maximum RPM 9800 (MOPAR – SR-11)

  1. Esslinger EST sealed spec engine

Maximum 161 CID (2639cc) engine.

Maximum RPM (factory set and sealed) 9400

  1. Double Overhead Camshaft Type Engines
  2. Honda K-Series four cylinder in-line, water-cooled, four valves per cylinder, must use Honda OEM cylinder block and cylinder head.

Maximum 154.6 CID (2533.5cc)

Maximum RPM 9600

Maximum Stroke 99 mm (3.898”)

  1. The preceding engine sizes are the maximum permitted. No clean up allowed.
  2. All engines must be normally aspirated, internal combustion, four cycle, reciprocating piston type, incorporating a maxi mum of four (4) cylinders. Only one spark plug per cylinder will be allowed. Camshaft timing must be fixed. Any device used to alter camshaft timing during engine operation is prohibited. Severe penalties will be issued to the entrant and engine builder if such devises are found.
  3. The entire engine lubricating system must be of the dry sump type.
  4. The use of starters and a de-clutching device is optional. If utilized, they must have a neutral position in the final drive.
  5. Complete engines and/or major components must be available in a reasonably sufficient supply to all competitors at comparative prices.
  6. Xtreme Outlaw Midget Series reserves the right to adjust rules or disallow any engine for competition, which in its judgment does not meet the spirit and intent of competitive racing, in regards to cost and/or performance. Any engines not covered by the preceding specifications must be submitted for approval prior to entering a competition.
  7. Fontana (Rhino) and Esslinger EST sealed spec engines must be rebuilt and sealed by original manufacturer. Fontana and Esslinger must supply XOS with seal and engine numbers that will be available for view to any XOS member. Any engine seal number not matching XOS records cannot participate. Any seals that have been tampered with (not original) could result in disqualification, loss of points and money earned for event. Sealed engines that are found to be out of manufacturer’s specifications penalties to entrant and manufacturer (engine builder) will be issued. Loss of all points earned, one (1) year suspension and fine, engine manufacturer fine and engine removed from list of approved for use.
  8. All probationary RPM limits will be monitored at each event and are subject to RPM adjustments on but not limited to an event-by-event basis and may be adjusted during an event.
  9. Cylinder heads may not be billet. Any new design must be submitted to XOS for approval.
  10. No titanium crankshafts, connecting rods, and/or rod caps.

Section 14  Fuel

  1. Pure Methanol is the only approved fuel. (NO ADDITIVES)
  2. All fuel is subject to testing at any time. Any fuel that does not conform to standards, as administered at the track, will be considered illegal. The use of illegal fuel could result in disqualification from the event and/or the entire program.

Section 15  Exhaust

  1. Exhaust system tail pipe(s) must not be any wider than nerf bar
  2. The car may be required to have a muffler if local conditions warrant. If so, this will be stated on each individual entry blank. The technical director may disallow a muffler that in their opinion is not within the sprit or intent of this rule.

Section 16  Ignition and Electronic Equipment

  1. All cars must be equipped with ignition switch or emergency shut-off located within easy reach of the driver. B. Electronically controlled fuel injection systems are not permitted. Exception is Esslinger EST sealed spec engine.
  2. Any ignition, other than magnetos, must be approved by the Technical Director prior to their use in competition. It is the responsibility of the participant, not the manufacturer, to obtain proper approval.

Current list of approved electronic ignitions for national events

MSD programmable 6214, EFI R1i (Red or gold),Electromotive, Magnetos, Electromotive on Esslinger EST.

  1. All Ignition units must have download cable on LH cockpit side attached to mid-rail by seat or front cage upright. Electro motive, magnetos and sealed Rhino excluded.
  2. Electronics that provide traction control are prohibited. All electronic components may be inspected, sealed, or confiscated at any time. The maximum penalty for utilizing traction control is a one-year suspension from competition and loss of all points earned for the season.
  3. Electronic ignition systems may only be used to control and collect data for ignition; coil(s), trigger(s), spark curve(s), battery voltage, and maximum RPM limits. The electromotive ECU unit on Esslinger EST sealed spec engine in addition to above is permitted to control EFI (electronic fuel injection) with following sensors. TPS, fuel pressure, and MAP sensor.
  4. The use of electronic logic processors of any type to control any function of the race car and/or any system for gathering continuous data from any function of the race car is strictly prohibited for exception of ignition.
  5. Tachometer with water temperature and oil pressure collection capability is the only item approved for use to collect/record data other than electronic ignition system. Specific device approval is at the discretion of chief steward.
  6. RPM limitation will be mandatory at all national events. Ignition to all cylinders must be cut at or before the predetermined limit as established in section 414.

Section 17  Safety Equipment

It shall be the responsibility of the Technical Committee to inspect all safety equipment prior to each event. Any participant not complying in full of all safety requirements in this Rule Book will not be permitted to compete.

  1. Approved aluminum and composite seats may be used, no fiberglass. Seats must be mounted with minimum of 4 bolts 5/16 diameter. Seats must be installed and used in accordance with manufacturer’s instructions. Approved full contain ment seats are required.
  2. It is mandatory that all cars have a headrest of high impact, shock-absorbing material meeting SFI Specification 45.2 behind the driver’s head with a minimum thickness of one (1) inch.
  3. Seat belts must meet SFI 16.5 or SFI 16.1, be within manufacturer expiration label (must have label). Seat belts must be installed and used in accordance with manufacturer’s instructions.
  4. Helmets – All drivers must wear a full-face helmet with a minimum safety rating of FIA 8859-2015, FIA 8860-2018, Snell SA2020, Snell EA2016, Snell SA2015.
  5. Uniforms – All drivers must wear fire resistant underwear, socks, shoes, gloves, and a one-piece uniform fitted snugly around the neck, wrists, and ankles. It is recommended that you also wear a fire-resistant head sock and/or helmet skirt. Recommended all above items meet SFI Foundation Specifications 3.2A and 3.3
  6. Arm Restraints – Arm restraints are mandatory and must be worn at all times during competition.
  7. Containment seats are required
  8. Roll Cage Padding conforming to SFI specification 45.1 is Highly recommended with full containment seat. I. 
  9. A SFI approved head and neck restraint system is mandatory.
  10. One way radio mandatory, (Racing Electronics Switchr, SoloII, or SoloIII- Frequency 464.5500) two-way radio communication will not be allowed.
  11. Wi-Fi, cellular, or satellite device (including cell phones and smart watches) in or attached to the race vehicle or the driver will not be permitted.
  12. All forms of vehicle position system (GPS) will not be permitted.

Section 18  Car / Driver appearance

  1. Series logo must be placed on top section of sail panel right and left side for point funds and contingencies. Series sponsor logo(s) must be placed on right and left lower cockpit side panels to be eligible for point fund and contingency programs.
  2. Car numbers must be displayed in three (3) areas one (1) each side of tail and one (1) on front section of hood. C. Driver uniforms must display series logo on upper RH or LH chest to be eligible for point fund.

Xtreme Outlaw Sprint Cars (standard purses)

  1. $5,000 2.  $2,500  3.  $1,800  4.  $1,500  5.  $1,200  6.  $1,000  7.  $900  8.  $800  9.  $750  10.  $725  11.  $700  12.  $675  13.  $650  14.  $625  15-20. $600
  1. $6,000  2.  $3,000  3.  $2,200  4.  $2,000  5.  $1,600  6.  $1,200  7.  $1,000  8. $900  9.  $850  10.  $825  11.  $800  12.  $750  13.  $700  14.  $675  15.  $650  16.  $625  17-20  $600
  1. $10,000 2.  $5,000  3.  $3,000  4.  $2,400  5.  $2,000  6.  $1,400  7.  $1,100  8.  $1,000  9.  $950  10.  $900  11.  $850  12.  $800 13.  $750  14.  $725  15-20.  $700

 Xtreme Outlaw Sprint Cars Point Fund

  1. $20,000 2. $10,000  3.  $6,000  4.  $5,000  5.  $4,500  6.  $4,000  7.  $3,500  8.  $3,000  9.  $2,500  10.  $2,000

Xtreme Outlaw Midgets (standard purses) 

  1. $4,000 2.  $2,000  3.  $1,200  4.  $1,100  5.  $1,000  6.  $800  7.  $700  8.  $600  9. $550  10.  $500  11.  $475   12.  $450  13.  $425  14.  $400  15.  $375  16.  $350  17.  $325  18-20.  $300
  1. $5,000  2.  $2,500  3.  $1,500  4.  $1,200  5.  $1,000  6.  $900  7.  $800  8. $700  9.  $600  10.  $550  11.  $525  12.  $500  13.  $475  14.  $450  15.  $425  16-20.  $400

Xtreme Outlaw Midgets Point Fund

  1. $10,000  2.  $7,000  3.  $5,000  4.   $4,000  5.  $3,000   6.  $2,500  7.  $2,000   8.  $1,500  9.  $1,200          10.  $1,000