Fan Info - INDYCAR 101 - Rulebook - Chapter 17: Equipment & Garages

Download Updated Rulebook: 2019 NTT IndyCar Series Rulebook (Full)

IMPORTANT: The rulebook content below was released to all parties on March 1, 2019, and should be considered UNOFFICIAL. No in-season amendments or bulletins are reflected in the below copy. Please refer to the above PDF link for the updated rulebook.


17.1. Fuel Storage Tanks

17.1.1. Refueling supply must be gravity flow only. The use of pressurization or vacuum during refueling is not permitted. All tanks are limited to a single outlet with a maximum inside diameter of 3.000 inches. The outlet can have a maximum 1.500-inch radius from the tank’s external face to the outlet. The maximum length of the outlet including any attachments is limited to 11.000 inches from the front face of the tank.

17.1.2. All tanks must be vented to atmosphere at all times using a Protectoseal 3.000-inch flame arrester/vent or equivalent.

17.1.3. All tanks must use a spring-loaded valve between the tank flange and vent pipe. The following valves are permitted:

  1. Betts Model WD-305;
  2. J.C. Carter Model JC-64075; and
  3. Equivalent INDYCAR-approved model.

17.1.4. Between the tank outlet and refueling hose, the following valves are permitted:

  1. Dan Jones Model 06-DJ or J.C. Carter valves: These valves are permitted one (1) splitter with a maximum thickness of 0.300 inches and a maximum length of 3.500 inches. The splitter may be horizontal or vertical, must be mounted in the tank flange and may not protrude into the tank;
  2. Betts valve: This valve is not permitted a splitter. Entrants may not alter the vent or spring-loaded closing valve; and
  3. Equivalent INDYCAR-approved model.

17.1.5. All refueling tanks must have a manual air-operated emergency shut-off valve to the probe.

17.1.6. No part of the refueling storage tank may be closer than 30.000 inches to the front face of the pit wall. The refueling storage tank outlet must be positioned between the center and 18.000 inches rearward of the center in the assigned pit and be square to the pit wall.

17.1.7. All fuel level sight tubes must have a positive shut-off valve at both ends.

17.1.8. All equipment must comply with the Rules of INDYCAR and where applicable the NFPA (National Fire Protection Association), state and/or local codes.

17.1.9. Refueling tanks and probe must be grounded by an INDYCAR-approved method.

17.1.10. Tank Capacities and Dimensions: Refueling tanks must be built to INDYCAR specifications (See illustrations below). Refueling tanks must be a single container made of T304 stainless steel or the equivalent and have a capacity of 152.00 U.S. Gallons. All dimensions are overall measurements with the top surface level. The maximum height of the refueling tank shall be 84.000 inches to the top surface, which must be level. The vent pipe shall be a minimum of 102.000 inches in height. All refueling tank height measurements will be made from the Pit Lane surface. No modifications may be made to the refueling tank specifications. Drawings for fuel tank are available from the INDYCAR office. All dimensions are in inches.

17.1.11. Vinyl wrap, acrylic or water-based paint are the only types of finishes permitted on the outside of refueling tank. Coatings or coverings designed to provide an insulating R-value are not permitted. Coatings or covering are not permitted inside of refueling tank.

17.1.12. Cooling of the refueling tank or fuel in the refueling tank is not permitted. Any means to alter the difference of the internal temperature of the tank or fuel to the ambient external temperature is not permitted.

17.1.13. Devices which alter the gravitational flow of fuel are not permitted, except as in Rule

17.1.14. All support legs and height-adjusting devices used with the refueling tank must be approved by INDYCAR prior to use. Tank support legs must include feet with adequate area so that the tank, with fuel, will not sink into the pit surface. Metal or wood may be used under the support legs to distribute the load, provided it is not stacked in a hazardous manner. All tanks must include a mechanism approved by INDYCAR by which the tank may be moved away from the pit wall quickly and easily. Any wheels or castors attached to the tank support stand must be raised from contact with the pit surface.

17.1.15. The same specification of tank will be used at all Events.

Fuel Rig

Fuel Rig

Fuel Rig

17.2. Pit Lane Fire Equipment 

17.2.1. The Entrant must have a fully charged ten (10) pound water fire extinguisher in the Car’s pit area. A gauge must be attached to each fire extinguisher. The mixture must contain ten percent (10%) Coldfire.

17.2.2. Each Entrant must have a minimum of two (2) open containers of water in the Entrant's pit area each with a capacity of five (5) gallons.

17.2.3. Each Entrant must have a two (2) pound dry chemical extinguisher in the Entrant’s pit area.

17.3. Equipment 

17.3.1. All equipment must remain inside the Entrants designated Pit Box on the cold side of the pit wall and the fire lane must remain clear at all times.

17.3.2. All nitrogen bottles must be kept securely fastened in all locations, including common storage areas, and have a cage device or other container approved by INDYCAR to protect all valves and regulators. All nitrogen bottles must be returned to the designated location and secured at the conclusion of each on-Track Event.

17.3.3. The maximum height of the scoring stand is 84.000 inches measured from the ground to the top of the stand excluding awning. The maximum surface area of an awning is 85 square feet in plan view and be no more than 120.000 inches in height measured from the ground. INDYCAR may determine if an Entrant may use an awning at a particular facility. Scoring stands using wheels or castors must be chocked or secured from moving and awnings, flags, umbrellas or shields may be used, provided they do not block spectator viewing.

17.3.4. Paint or other permanent markings may not be used in the garage, on the Pit Lane surface or on the pit wall.

17.3.5. Camera booms cannot extend more than 80.000 inches into Pit Lane and must be approved by INDYCAR.

17.3.6. Where permitted an Entrant may display one flag in its Pit Box, provided the flag is located behind the front face of the pit wall, is a maximum size of 5 ½ feet wide and 3 ½ feet high and a maximum height of 14 feet off of the pit floor.

17.4. Garage

17.4.1. INDYCAR reserves the right to assign transporter parking, garages and Pit Boxes.

17.4.2. If garages are available, Entries may receive one (1) garage per Entry. Each Entry will receive a minimum space of 12 feet in width for truck parking.

17.4.3. If available, Manufacturers may receive a designated amount of space in the garage area.

17.4.4. If garages are not available, each Entrant shall receive a maximum 30 feet wide parking location in the garage area to use as a garage for the transporter and tent/awning, unless otherwise noted.

17.4.5. Entrant agrees to reimburse Event Promoter for the cost of repairing any damage to the garage area that occurs during occupancy by the Entrant.

17.4.6. Tents will not be permitted to extend beyond the rear of the trailer or front bumper of the tractor.

17.4.7. Entrants must submit a diagram of their tent and transporter footprint layout by November 15th of the year prior to the first event and seven (7) days prior for any subsequent changes for INDYCAR approval.

17.4.8. Tailgate safety cables are mandatory and must be approved by INDYCAR.

17.5. Covers

17.5.1. Teams are permitted to utilize wall systems within their garage or awning areas. If the wall system exceeds 36 inches in height, a diagram of the wall system must be submitted to INDYCAR via IRIS for prior approval. All wall systems must adhere to the following guidelines: Garages The wall system may only be placed at the front of the garage. Support walls that sit 90 degrees to the front wall must not exceed four (4) feet in length. Wall systems may not be used when there is a dedicated walkway down the center of the garage structure. Wall systems must be removed at any time if requested by INDYCAR. Awning Wall systems may be used on all sides except the ends or sides where spectators are permitted.

17.5.2. During the entire Event, no screen, cover or other obstruction may be intentionally placed to obscure any part of a Car.

17.5.3. In addition to the above the following are specifically not permitted;

  1. Engine, gearbox or radiator covers while Engines are being changed or moved around the garage;
  2. Covers over spare wings;
  3. Parts such as (but not limited to) spare floors, fuel rigs or tool boxes may not be used as an intentional obstruction.

17.5.4. Rain covers may be used during inclement weather conditions. No other form of cover may be used.

17.5.5. Covers which are placed over damaged Cars or components are permitted.