Speedarama



Lufkin, TX
  


2010 Jr Mini Stock
Updated Rules as of 2/1/10

DRIVER REQUIREMENTS:

Must be minimum of 12 years of age and not older than 16 years of age. We must have a copy of your child's birth certificate for our records. If a driver is racing and during that race season he turns 17, he will be allowed to complete the remainder of the season. All drivers must have a good working knowledge of how to operate a car and all required safety procedures before entering onto the racing surface. It will be the sole responsibility of the parent to see that your child has the working knowledge to enter onto the racing surface safely. Notarized release forms must be completed before being allowed to race.

Notice: All components are subject to inspection and approval of Track Officials. No equipment will be considered as having been approved by reason of having passed through inspection unobserved. ALL RULES WILL BE INTERPRETED BY TRACK OFFICIALS. IF YOU HAVE ANY QUESTIONS ABOUT RULES, CALL BEFORE BUILDING CAR.

CHASSIS:

Car must be 1962 or newer with 4-cylinder motor. Trucks are allowed. Front or rear wheel drive allowed. Cars must be stock appearing as they came from the factory. No sharp edges allowed on bumpers, tow loops allowed on bumpers not to exceed width of frame. Aftermarket plastic front nosepieces allowed. Stock floor pan must be in car and unaltered unless repairs have been made due to rust or crash damage and then all repairs must be made with steel. No aluminium in floor pan. Fire wall and trunk floor must be retained also. Wheelbase must be stock for that make and model car.

BODY:

Front fender wells may be removed if the shock or strut is not connected to it. No gutting of car. Fenders may be trimmed for tire clearance. Rear inner fender wells must remain in car. Hole allowed in the hood for air filter only. No spoilers allowed unless it was a factory item. Routine maintenance of the appearance of your car is required.


ROLL CAGE:

Minimum 4-point cage with x bracing required. 3 door bars on driver’s side and 2 door bars on passenger side are required. Roll cage bars may run from front or rear of car but must not extend outside of body anywhere. All cages are to be constructed with the driver's utmost safety in mind. All welds must be complete and done by a trained welder. If you are not one when building your car, find someone. Your child's safety depends on it! Rub rails are permitted and may be attached to body. Must not extend past rear of front fender or front of rear fender and be no larger diameter than 1x2 box tubing or 1 1/2 round tubing.

SUSPENSION:

Must remain stock from factory. No interchanging of leaf or coil springs. No aftermarket suspension parts. No weight jacks of any type permitted. Lowering blocks on leaf spring cars will be permitted not to exceed 3 inches (lowering blocks must be equal on both sides). Upper and lower control arms must remain unaltered and be for make and model of vehicle. All shocks and struts must remain in stock location.



STEERING:

Steering box must be stock and in original location. Steering may be quickened and a quick release steering wheel is permitted.

REAR END:

Must be O.E.M. rear. Locking of rear is permitted.

BRAKES:

All cars must have at least 3 wheel brakes. No aftermarket pedals master cylinders or proportioning valves allowed.

TIRES AND WHEELS:

Tires must be a passenger car type capable of having a road hazard warranty and be for street use only. Must be D.O.T. approved and not exceed a 70 series in size. Any steel wheel 7 inches wide or less allowed. No beadlocks.

WEIGHT:

All cars must weigh minimum 2400 lbs after the race including driver.

ENGINES:

All engines must remain stock from factory. 2.3 liter on Fords, 2.4 liter on foreign, and 2.5 liter on G.M., twin overhead cams NOT ALLOWED, turbo charged engines NOT ALLOWED. Bore size not to exceed .060 over stock. Heads and block can be milled. Rods and crankshaft must remain stock for size and year of motor. No aluminum heads allowed unless it came on that vehicle and no porting allowed. All valve sizes must remain stock. Stock stroke to be retained on all engines. Cam must be capable of producing 15 in. of vacuum at 900 R.P.M. All engines must remain in stock location. Solid motor mounts permitted and strongly advised. No headers allowed. All exhaust must be directed behind rear of driver's seat.allowed unless it came on that vehicle and no porting allowed. All valve sizes must remain stock. Stock stroke to be retained on all engines. must be capable of producing 15 in. of vacuum at 900 R.P.M. All engines must remain in stock location. Solid motor mounts permitted and strongly advised. No headers allowed. All exhaust must be directed behind rear of driver's seat.

CARBURETORS:

Any 2 bbl carburetor allowed not to exceed 500 C.F.M. Choke horn must be in place but flap may be removed. Fuel injection type vehicles must be stock for make and model with no modifications allowed. No turbo chargers are allowed. Electric fuel pumps will be allowed. Must have a cut off switch that kills fuel pump if vehicle loses oil pressure to prevent fuel pump to continue to run in the event of a roll over. This will be MANDATORY on all electric fuel pump cars.

IGNITION:

Stock type ignition only. Only one battery is allowed and if in driver’s compartment must be securely mounted in an enclosed battery box. Gel cell batteries strongly advised. All cars must also have a battery disconnect switch mounted in easy access of all safety personnel that will kill all the electrical system when activated to protect the driver in the event of fuel loss during a crash or roll over.

SAFETY:

This class will abide by the same general safety rules in place for all other classes. Fire suits, gloves, neck braces and window nets are required. Roll bar padding is strongly advised. All helmets must be current and have the appropriate safety ratings. Racing seats with a 5-point seat belt required. Fuel cell is required and must be securely mounted in all cars with the exception of fuel-injected vehicles. If stock tank is to be used in fuel injected cars it must be securely enclosed to prevent damage and fuel loss in the event of a crash. Stock fuel tanks must have a steel skid plate, minimum thickness of 1/8 in, to protect bottom of tank. Fuel cells are strongly recommended in this type of car as well. If car has weight added it must be safely and securely fastened with minimum ½" bolts, painted white and the car number on the weights.


DRIVE LINE:

No aluminium flywheels, mini clutches or couplers allowed. Must run stock clutch and pressure plate. Must have hole in bell housing for inspection purposes. Safety shield is required over bell housing to protect driver. All automatic transmissions must have a working stock diameter torque converter. Transmission coolers allowed. All rear wheel drive cars must have a driveshaft loop. All drive shafts must be painted white.

The rules that are in place may be amended at any time for the betterment of the class. This class will have hot laps, heat and feature races. Trophies/Plaques will be awarded for 1st, 2nd and 3rd place finishes in the feature.





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