2013 Iowa Micro Sprint rules

The rules and/or regulations set forth herein are designed to facilitate the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition for all events, and by participating in these events, all participants agree to comply with these rules and regulations. NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OF, OR COMPLIANCE WITH, THESE RULES AND REGULATIONS.  They are intended solely as a guide for the conduct of the sport, and are in no way a guarantee against injury or death to participants, spectators, officials, or others. The Race Director shall be empowered to permit any reasonable and appropriate deviation from any of the specifications and procedures herein, or impose any further restrictions that in his/her opinion does not alter the minimum acceptable requirements. NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM ANY SUCH DEVIATION OR RESTRICTION OF THESE
SPECIFICATIONS, RULES OR PROCEDURES. Any interpretation of, or deviation from, these rules is left to the discretion of race officials. THEIR DECISION IS FINAL.

All Drivers

All Drivers must be at least 12 years of age. All Drivers under the age of 18 must have a copy of a birth certificate or driver’s license and a release form signed by both parents on file before being allowed to compete.

All Engines

All engines must start out as production 600cc four cylinder four stroke engines.  ENGINES SHALL REMAIN STOCK BORE AND STROKE AS ORIGINALLY MANUFACTURED FOR PARTICULAR ENGINES MODEL AND YEAR.   600cc MAXIMUM. Any other modifications may be made.  Top three of feature will be teched for bore and stroke. All engines will be teched at that car’s first IMSS race. Owner of engine being teched will remove the spark plug of a randomly chosen cylinder. Bore and stroke must measure within OEM manufacturing tolerances. All cars must have a noise eliminating exhaust.  No turbo or supercharging.

Engines found to be illegal will result in disqualification. No points or money will be paid to disqualified cars.

Car Weight

Cars must weigh a minimum of 750 pounds with the Driver. All cars must weigh prior to returning to your pit. Should any of these cars return to their pits prior to weighing, they will be disqualified. Any material used for adding weight to the car must be firmly attached and inspected by IMSS for approval.

Tires

HOOSIER tires only any compound will be allowed.

Firewall

All cars must have a metal firewall between Driver and engine compartment. Minimum 24 gauge or .0625 thickness aluminum.

Chain Guards

Chain guards will be installed on all cars using a minimum of .090 aluminum material or equivalent.

On/Off Switches

On and off switches must be on the dash.

Roll Cages

Roll cages shall be at least 1 1/8 inch .065 wall thickness or 1 1/4 inch .065 wall thickness.
Roll cages must have sufficient fore and aft bracing.
All cages shall be made of chromoly steel or equivalent.
All cars must be equipped with nerf bars and not exceed beyond the rear tires.
All cars must have bumpers extending beyond the front and rear tires.

Top Wings

All cars will have top wings with a maximum of 16 square feet.

Fuel

Alcohol shall be used. NO ADDITIVES ALLOWED. This only applies to performance enhancers, is not meant to exclude top end lubricants. Random fuel checks may be conducted at the conclusion of any event.

NO GAS. Alcohol only.

Bladders are highly recommended.

The following placements can be expected to be tested: top 3 placements in the A main.

Traction Control

No traction control devices of any type will be allowed.

Numbers

Minimum height of 10" on each side of tail and a minimum height of 12" on each side of top wing. Only 2 digit numbers allowed (#00-#99).
Single letter may be used with number.
Placing number on center section of top wing and center section of nose wing is recommended but not mandatory.

Iowa Micro Sprint Decals

Cars must display sponsor decals to qualify for any awards. 

Driver Substitutions

A driver is allowed 2 driver substitutions per year to count towards point total. Heats and/or features in any given nights racing will count as a substitution. Hotlaps do not count toward substitution. If a substitute driver is used for both heats and feature on a single night, then only 1 substitution is counted. In the event that a substitute driver is used, driver shall inform IMSS scoring personnel. Combination car and driver substitution is not allowed. All substitutions at the discretion of IMSS.

Car Substitutions

A driver is allowed to drive any legal car during a nights racing. The car used for heat race must be used for feature. In the event that a substitute car is used, driver shall inform IMSS scoring personnel. Combination car and driver substitution is not allowed. All substitutions at the discretion of IMSS.

Raceceivers

Use of Raceceiver one-way communication is mandatory for all drivers anytime you are on the track. One-way communication from track officials to drivers only. Two-way communication shall be illegal. Frequencies will be announced at each event. Failure to follow track official commands will result in disqualification for the event

Spin/Stop on Track

Any driver causing a yellow flag, whether coming to a complete stop or not, shall go to the tail. Any driver who comes to a complete stop due to the actions of another driver causing a yellow flag, shall restart at the tail of the field. Stopping is defined as complete loss of momentum for any period of time.  Track officials will have final say in determining who causes a yellow flag.

Example 1: If you stop, spin or otherwise cause a yellow to be thrown, you caused the yellow and shall go to the tail.

Example 2: A car spins in front of you and you stop to avoid impact. You have lost complete momentum and are considered part of the yellow. You shall go to the tail.

Example 3: Someone spins you and you cause a yellow. You shall go to the tail

Example 4: A car spins in front of you and you make evasive action to avoid impact. In doing so you lose several positions but maintain momentum and are able to rejoin the field. If a yellow is thrown that is determined to be another driver’s fault, not yours, you will be scored and restart in the position you were in prior to the yellow without going to the tail.

Failure to drop to the rear of the field during a heat race will result in disqualification in the race and you will start at the tail of the following feature. Failure to drop to the rear of the field during a feature event will result in disqualification as well as loss of monetary and points payout for the event.