Pro Mod Rules
Pro Mod Rules Click here to download and print
1. Body: Any VW Type I, Type III, Ghia, or NEW BEETLE may be used. Fiberglass bodies are allowed. All bodies must be fendered. Running boards not required. All glass may be replaced with 1/8″ polycarbonate material, such as Lexan MR 4000.Stock drip rails may be removed.Maximum 4″ chopped tops are allowed. Body may be channeled or framed. Body may not be lightened by drilling holes. Class designation must appear on rear quarter window (or front window if no rear quarter) in 3” letters and permanent number in 6” letters. Fiberglass or carbon fiber may be used for deck lids, hoods, fenders, apron, and doors as long as stock appearance is retained, however, rear fenders may be widened to accept larger tires. Fenders must be securely mounted to the body. Inner edges may be cut to allow clearance. Deck lid may be fabricated to clear carburetors or injectors. Front fenders may be raised for clearance, but must not be mounted above the front hood, measured at the centerline of the front tire opening. No floating mount front hoods. The leading edge of the front end may be squared off and an aero lip added for stability. Maximum measurement from front of door to nose 5″ more than stock. Ground clearance must remain at 3″. Both doors must be operative if equipped and be able to be opened both from the inside and outside. Super Beetle bodies may be mounted with a standard Type I front end. All cars must be a finished product and can compete at only two races in primer. Cars must be complete during qualifying and eliminations, i.e. deck lids, aprons, etc.
2. Wings: Wings are allowed in Pro Mod. A spoiler of single plane design is permitted. Wings must be mounted on rear of car. Size and height are not restricted for Pro-Mod cars.
3. Engine: One 4 cylinder opposed pushrod, of VW configuration. Motor must be in stock location.
4. Fuel: NHRA / IHRA approved fuels only. No nitro methane or oxygen bearing additives allowed.
5. Fuel System: Aftermarket fuel tanks or cells are acceptable. Must be located outside driver’s compartment. A bulkhead of at least .032″ minimum thickness metal must be between fuel tank and driver. Magnesium not permitted.No device that reduces the temperature of the fuel can be mounted on the car.
6. Transmission: Any conventionally mounted VW or Porsche transaxle permitted. Mendeola brand, VW-style, gearboxes are permitted. Must have a neutral. Reverse required. Reverse lockout device mandatory. Locked rear ends allowed. Clutchless transmissions are not allowed.
7. Electronic Devices: No electrical, or air operated, devices such as delay boxes, throttle stops, or timers may be used. No device that functions to operate the vehicle may be used. One playback tachometer is acceptable. No vehicles may be equipped with computers that in any way affect the operation of the vehicle. A computer is defined as any device (electrical, mechanical, pneumatic, hydraulic, etc.) that activates any function of, or in any way affects the operation of, the vehicle based on measurement, sensing, processing, etc. of any data related to the performance of the vehicle. Display or transmission of any data gathered or processed to the driver or any remote location, prohibited Data recorders may be used to record functions of a vehicle so long as they do not activate any function on the vehicle. Data recorder may not be activated by the throttle, clutch, brake, mechanisms, etc., nor by the Christmas Tree, radio transmitters, sensing of wheel speed, inertia, laser device, or transmission of track position. Must be activated by separate switch. Fifth-wheel sensing devices prohibited on all vehicles (includes wheelie-bar wheels). All lines sensing flow, pressure, etc. of fuel or oil must be metallic or braided steel. Transmission or display of data gathered or processed by data recorder to the driver or any remote location prohibited. Data may be reviewed (printout, replay, etc.) only after the run.
8. Frame: Any type frame permitted providing it meets safety requirements.Must have automotive type suspension commonly used by automobile manufacturers.Must have one hydraulic shock absorber for each sprung wheel.No air adjustable shocks allowed. Frame must be certified by NHRA / IHRA if running 9.99 (6.39 1/8 mi.) or quicker.
9. Steering: Minimum steering wheel diameter is 13″. Butterfly wheels not allowed.
10. Wheels and Tires: Must use an automotive-type wheel.Racing slicks are permitted.Wire or motorcycle wheels not permitted. Minimum wheel size 13″.
11. Ground Clearance: Ground clearance of 3″ minimum from front of car to 12″ behind centerline of the front axle is required.2″ minimum for remainder of car except for oil sump and exhaust header.
12. Roll Bar: Roll cage required with side bar. See current NHRA / IHRA Rulebook.
13. Wheelbase: Axles and body location must remain within 1 inch of original location. Maximum wheelbase variation left to right is 1 inch.
| Car | Stock | Min | Max |
| Type 1 or 3 | 94.5 | 93.5 | 95.5 |
| New Beetle | 99 | 98 | 100 |
14. Interior: Minimum one front seat. It may be a properly braced and reinforced fiberglass or aluminum bucket. Dash board must be retained but may be modified. Doors must have panels if originally equipped. Headliner not required. Floor and firewall required constructed of steel or aluminum.
15. Electrical: Battery must be securely mounted outside of driver’s compartment.All cars must be self starting.Master cut-off switch is required.All cars must have one working tail light.
16. Brakes: Must be hydraulically operated. Minimum two wheel rear brakes operated by a foot pedal mounted in a conventional location. (Front brakes recommended.)
17. Helmet: Helmet must meet or exceed Snell 80, 85 or SFI 31-1, 31-2, specifications.
18. Protective Clothing: Jacket and pants meeting SFI Spec. 3-2A/5 required. Drivers must wear approved gloves.
19. Seat Belts, Shoulder Harnesses: Driver restraint systems meeting SFI Spec. 16-1 required.Restraint system must be updated at 2-year intervals from date of manufacture. Crotch strap is mandatory.
20. Window Net: Ribbon type window net is required.
21. Neck Collars: Neck Collar or HANS type device Must be worn by driver.
22. Weight:
Naturally Aspirated Cars: 1300lbs Minimum / Unlimited Motor
Nitrous Cars: 1400lbs Minimum / Unlimited Motor
Turbo Cars without Intercooler: 1500lbs Minimum / Unlimited Motor
Turbo Cars with Intercooler 1550lbs Minimum / Unlimited Motor
Turbo Cars with Nitrous 1550lbs Minimum / Unlimited Motor
23. Safety: All cars must meet NHRA and IHRA safety standards.
PROTEST PROCEDURE: All Participant Protests must be made to the Director of the ECPRA prior to the start of eliminations & must be accompanied by a $450 Protest Fee. Protested Vehicle will be checked after completion of eliminations for specific alleged violation. If found to be in compliance with ECPRA rule, the Protest Fee will be given to Protested Participant. If found to be in violation of protested ECPRA rule, the Protest Fee will be returned to the Participant that entered the protest and Violator will be disqualified, losing all entry fees & points earned at that Race. Race Officials can enter a protest at any time.
TOW VEHICLES: All tow vehicles must have the number of the car they are towing displayed on the front windshield. This will allow the time slip personnel to quickly find the correct time slip and reduce traffic tie-ups.
RULEBOOK: The rule book is intended as a guide to reflect the ECPRA rules in general. If something is not specifically allowed in the rules you are advised to check with the ECPRA Technical Department BEFORE you attempt to race at an ECPRA event.
RACE OFFICIALS: The Competition Director has the final authority on any dispute or interpretation of the rules. Any driver, or group of drivers, attempting to override the Competition Director will be removed from the ECPRA program for that race with no refund of entry fees.
ENTRY FEES: Entry fees in addition to those paid at the gate must be paid prior to attempting to qualify. Consult the ECPRA for location at each race. Pro-Mod entry fee is $50.00, $50 each will be awarded to third and fourth place. The remaining purse will be divided 65% to Winner and 35% to Runner-up.
Any questions about these rules should be referred to Gene Collier (President)