STOCK - MOWERS AS THEY ARE BOUGHT OR USED. MODIFICATIONS ALLOWED - TIRES, WHEELS, AIR CLEANER, EXHAUST, AND GOVERNOR.

- SAME AS STOCK PLUS-GEARING MAY BE CHANGED (ENGINE PULLEY MUST NOT BE LARGER THAN TRANSMISSION INPUT PULLEY) FRONT END AND STEERING MAY BE MODIFIED OR CHANGED. MODIFIED- WHEELS AND TIRES MAY BE CHANGED, SEATS, FRONT ENDS, STEERING, GEARBOXES, TRANS AXLES, DIFFERENTIALS, MAY BE CHANGED OR MODIFIED. SPINDLES AND AXLES MAY BE CHANGED OR MODIFIED. COMPLETE DRIVE SYSTEMS MAY BE CHANGED OR MODIFIED. ENGINE MODIFICATIONS: MUST USE LAWNMOWER (OR TILLER) ENGINE, BORING, STROKING, MILLING, GRINDING, DRILLING, PORTING POLISHING IS ALLOWED. CRANKSHAFTS, CAMSHAFTS, RODS, PISTONS, VALVES, SPRINGS, LIFTERS, PINS, FLYWHEELS, CARBS, IGNITIONS, EXHAUST, BEARINGS, BUSHINGS, GASKETS, SEALS, MAY BE CHANGED OR MODIFIED. MOWER MAY BE LOWERED, WHEEL BASE MAY BE CHANGED, BUT MOWER MUST HAVE TWO INCHES GROUND CLEARANCE, AND WHEEL BASE MAY BE NO LONGER THAN 48 INCHES AND TOTAL WIDTH MAY BE NO MORE THAN 44 INCHES. BUMPERS AND OR ROLL BARS ARE NOT ALLOWED. MUST USE PUMP GAS, OR READILY AVAILABLE RACE GAS, ADDITIVES AND OCTANE BOOSTERS ARE ALLOWED. ALCOHOL, NITRIS OXIDE, BLOWERS, TURBO CHARGERS ARE NOT ALLOWED IN MODIFIED DIVISION.

SUPER STOCK MODIFIEDS- GO FOR IT! PLEASE LET IT RESEMBLE A LAWNMOWER. MUST HAVE STARTED LIFE AS A LAWNMOWER. BUMPERS, ROLLBARS ARE ALLOWED. IF YOU HAVE ROLLBARS, YOU MUST HAVE A SAFETY HARNESS. MAXIMUM WHEELBASE IS 65 INCHES MAXIMUM WIDTH IS 50 INCHES MINIMUM GROUND CLEARANCE IS 2 INCHES. NITRIS OXIDE, ALCOHOL, BLOWERS, TURBO CHARGES ARE ALLOWED IN SUPER MODIFIED. YOU MAY BUILD YOUR OWN RACING FRAME, BUT MUST HAVE LAWNMOWER BODY. IT MUST RESEMBLE A LAWNMOWER. IF YOU BUILD A FRAME YOU MUST USE A LAWNMOWER ENGINE. IF YOU USE THE ORIGINAL LAWNMOWER FRAME, YOU MAY USE A NON LAWNMOWER TYPE ENGINE, BUT THEY WILL BE LIMITED IN THE SIZE YOU MAY USE. 2-STROKES- 125 CC 4-STROKE OHC-450 CC 4-STROKE OHV- 600 CC 4-STROKE FLAT HEAD- UNLIMITED

SUPER STOCK: THE FRAME ETC MAY BE MODIFIED TO SUPER MODIFIED GUIDELINES BUT THE ENGINE MUST BE STOCK. ONLY ENGINE MODIFICATIONS ALLOWED ARE THE SAME AS FOR THE STOCK CLASS. THIS CLASS WAS INTRODUCED TO GIVE A GOOD ENTRY LEVEL FOR THOSE THAT DON’T WANT TO SPEND THOUSANDS OF DOLLARS ON THEIR ENGINES. SINGLES AND TWINS CURRENTLY RUN TOGETHER IN THIS CLASS BUT WILL BE DIVIDED AS PARTICIPATION GROWS.

ALL MOWERS MUST HAVE ALL WHEELS SECURELY MOUNTED (NO CIRCLIPS OR E-CLIPS) ALL MOWERS MUST HAVE AUTO RETURN ON THROTTLE. A KILL SWITCH MUST BE READILY AVAILABLE TO THE RIDER. SHARP EDGES MUST BE COVERED. EXPOSED DRIVE SYSTEMS (OUTSIDE THE FRAME SECTION) MUST BE COVERED. ALL WELDING AND OTHER MODIFICATIONS MUST BE DONE IN A PROFESSIONAL AND WORKMAN LIKE MANNER ALL RIDERS MUST WEAR HELMET AND EYE PROTECTION. MUST HAVE BOOTS. LONG SLEEVES AND LONG PANTS AND GLOVES ARE RECOMMENDED AS ARE LEATHER RACING SUITES, AND OR M-X GEAR. 10LB ABC RATED FIRE EXTINGISHER IS RECOMMEDED IN EACH RIDERS PIT AREA.

Only if a round is sanctioned by the Texas Grasscar Championship Points will these following rules apply. Here are the guidelines: Points are earned in all classes. 1st 15 points 2nd 10 points 3rd 5 points 4th 3 points 5th 2 points Points are paid in all Races: Qualifying Heats, Heats, Semis, LCQ, Mains, Trophy Dashes, Grand Finales and match Races. Bonus Traveling points are then awarded depending on how far the racer traveled to get to the races. 0-60 miles times 0 (no Bonus, is considered a Local Race) 61-120 miles-times 1.5 121-180 miles-times 2.0 181-300 miles- times 2.5 301-400 miles- times 3.0 over 400 miles- times 4.0 Points are awarded to Rider/Driver not the Mower. If a rider rides more than one class at a race, points in one class stays in that class, But the rider will be awarded the points of the class which he received the most in that race. If more than Ten Races are run in the Series only the Top Ten finishes of each rider will count. The Series Champion Receives a 6ix foot tall Traveling Trophy for the following year. If any one rider wins the championship three Times, That rider gets to keep the Traveling Trophy.