FAST TRACK FAST TRACK CLASSES: STREET STOCK, HOT STOCK, ECONOMY 2-4 WHEELS, SUPER STOCK, SUPER GAS, SUPER GAS 410-474, 2 WHEELS MODIFIED, PROSTOCK 4 WHEELS MODIFIED, OUTLAW PROSTOCK, MODIFIED CUTS-4 WHEELS OPEN, MODIFIED PADDLES-4 WHEELS OPEN, PRO PADDLES AND CONSISTENCY. 1. This Class is intended for four wheel drive trucks and jeeps that are primarily street driven, have minimal modifications and are street legal. 2. Engine swaps allowed as per class rules, frame must be correct for body. 1. Any model jeep or truck, stock steel body (minimal trimming allowed for the tire clearance only). 2. Wheel base must be stock for frame and body. 3. Firewall cannot be cut, relocated or reshaped. 4. Must retain factory floor pan. 5. Flatbeds minimum dimensions: must be the same width as the cab and extend to the rear most part of the frame and substantial enough to carry cargo. 6. Must retain all stock glass. 7. Headlights and taillights required and must be functional. 8. Front bumper required. 9. Factory interior shall not be removed. Drivetrain/Chassis: 1. Unmodified OEM factory frame bumper to bumper. 2. Minimum 4 point roll cage required for open top vehicles (NHRA Specification/Guidelines Recommended). 3. Suspension must be stock, aftermarket life kits allowed. 4. No removal of Leaf. www.brazoriacountymuddragsllc.com Page 1
5. Stock OEM front and rear differentials, transmission and transfer case only (may be upgraded with stronger OEM parts.) 6. Transmission Brakes (trans brake) NOT ALLOWED. 7. Fuel tank, battery and radiator must be in stock location. 8. 4 wheel brakes mandatory. OEM dual reservoir master cylinder required. 9. Unaltered DOT tires only. 1. Engine must pull 17 of vacuum at 800 RPM s. 2. Big block engines in full size trucks only. 3. No V8 s in mini trucks or mini SUV s (unless OEM). 4. Motor must be located in stock location. 5. No aluminum engine blocks or aluminum heads (unless originally OEM equipped). 6. Carburetion single gas carburetor only, limited to 4150/ 4160 series only. No predators, dominators or SV-1 s. 7. OEM fuel injection only. 8. Cast aluminum intake only (no tunnel rams or sheet metal intakes). 9. No power adders. NO nitrous, NO turbochargers, NO superchargers with the following exception: Factory installed OEM turbochargers permitted on diesels only. 10. Headers are allowed, mufflers are required and the exhaust must extend to behind the driver s seat. 1. This all motor class is intended for four wheel drive trucks and jeeps that have been slightly modified for competition but still utilize mostly stock components. They must be capable of being street legal. 2. Engine swaps allowed as per class rules, but frame must be correct for body. 1. Any model jeep or truck, stock steel or OEM (street weight) equivalent fiberglass body parts. Minimal cutting allowed only for tire clearance. No race bodies allowed. 2. Must retain full steel cab or tub, doors and bed must be retained. No removal of inner steel panels. 3. Firewall can be reshaped minimally, but not cut and relocated. 4. Wheel base cannot be altered, must match body. No body swaps. 5. Flat beds Minimum dimensions must be must be the same width as the cab and extend to the rear most part of the frame and substantial enough to carry cargo. 6. Must retain stock glass. www.brazoriacountymuddragsllc.com Page 2
7. Headlights and taillights required and must be the same width as the cab and extend to the rear most part of the frame and substantial enough to carry cargo. 8. Front bumper required. 9. Factory interior shall not be removed. 10. Race seats permitted, must have a minimum of two (2) seats and must be securely mounted to the floor. Drivetrain/Chassis: 1. Unmodified OEM factory frame bumper to bumper. Frame shall retain two (2) stock cross members with the following exception permitted: relocating of cross member(s) allowed, modifications allowed. 2. Minimum 4 point roll cage required for open top vehicles (NHRA Specification/Guidelines Recommended). 3. Rear suspension must be leaf spring unless equipped otherwise from the factory. 4. Front suspension may be leaf spring, coil and radius, or IFS. Other front suspension styles permitted id OEM for that vehicle. Relocation of mounting points not permitted. 5. Must have a minimum of two leaf per spring pack (front of car). 6. Ladder bars permitted (no.4-link, no 3-link, no floaters, no coil over shocks. 7. Any OEM front and rear differentials. 8. Any stock OEM transfer case allowed. No chain drives allowed. 9. Any OEM transmission (NO modifications and trans brakes allowed). Should be shielded, stock steel floor acceptable. See General Rules. 10. Radiator must be in front of motor. 11. Fuel Tank (fuel cell allowed) and battery may be relocated. See General Rules. 12. 4 Wheel brakes mandatory. OEM dual reservoir or duel master cylinder required. 13. Maximum 46.5 unaltered DOT tires. 1. Motor must pull 15 of vacuum at 800 RPM s. 2. Big block engines in full size trucks only. Engine swaps permitted. 3. Engine must be located in approx. stock location. Firewall will dictate engine location. 4. No aluminum engine blocks or heads (unless originally OEM equipped for that equipped). 5. Single four (4) barrel cast aluminum intake only. No tunnel rams or sheet metal intakes. 6. Carburetion single gas carburetor only, limited to 4150/ 4160 series only. 7. OEM fuel injection only. 8. No power adders. No nitrous, no turbochargers, No superchargers with the following exception: Factory installed OEM turbochargers permitted on diesels only. 9. Open headers are allowed for competition. www.brazoriacountymuddragsllc.com Page 3
1. No paddle Tires 2. Must have 4 wheel working brakes 1. Any safe frame allowed. No socket welds fittings on frame. 2. Must have sheet metal around driver s compartment 3. 2 or 4 wheel drive allowed and must have a firewall between engine and driver compartment. Fuel: 1. Gasoline or racing gas allowed. 2. No Nitrous Oxide or additives. 3. No alcohol allowed. 1. OEM Engine only maximum 474 CID (flat top pistons and stock valve train). 2. 4 wheel drives are allowed aluminum dual-plane intakes. 3. Headers allowed. 4. Cast iron intakes only on two wheel drives. 5. 2 wheel drives allowed OEM ignition only and no electronics with the exception of MSD softtouch rev control. 6. 4 wheel drives are allowed a MSD distributor and a MSD 6A ignition box. 7. Hydraulic Cams only. 8. Carburetor 4150 and 4160 max. 9. Must pull 15 of vacuum at 900 RPMs and must have a port on the manifold to test vacuum. Transmission: 1. No two (2) speeds. 2. No trans brakes RULES WILL APPLY. 1. Any DOT tires allowed. No cut or trimmed tires. 2. Must have 4 wheel working brakes. 1. Must retain all factory exterior panels. 2. Any type usable bed allowed. No tarps. 3. Must have a windshield. 4. No ATV type or motorcycles. www.brazoriacountymuddragsllc.com Page 4
5. Stock suspension only. 2 stabilizer bars allowed- (1) on each side. 6. Must have a firewall. 7. S-10 s and Rangers are allowed. Body must be centered over axles. Cannot change frame and location of axles. 1. Any 8 cylinder OEM engine allowed. 2. Aluminum intake allowed. One four barrel carburetor SV-1 s allowed. 3. No aluminum heads. After market heads allowed 23 deg. 4. Open headers allowed. 5. MSD ignition allowed. No accessories, electronics, line lock, ect. 6. Shifters allowed. 7. Crank trigger allowed. 8. Roller Cams allowed. 9. One carburetor. 10. CID limits 474. 11. Cast aluminum intakes only. Fuel: 1. Pump or racing gasoline only. 2. No Nitrous Oxide. 3. No additives. Gears: 1. Any gear ratio allowed. 2. 4 Wheel drive only. Transmission: 1. Stock only. 2. Stall converter allowed. 3. No two (2) speeds. 4. No working trans brakes, must be disconnected at the solenoid. Weight Limit Minimum: 1. Big Blocks 4000 lbs. 2. Small Blocks 3600 lbs. 1. Any DOT tires allowed. Cut or uncut. 2. 4 wheel independent brakes required and must be in working order. 3. No tractor or paddle tires. www.brazoriacountymuddragsllc.com Page 5
1. Must retain all exterior panels. No fiberglass. 2. No S-10 or Rangers. Must be full size 4x4 s. 3. Must be available as 4x4 that year and model. 4. Frame must be factory stock. Engine and transmission in stock location. 5. Fenders may be cut for the tire clearance only. 6. Must have a windshield and hood. 7. Total vehicle weight must be a minimum of 3500 lbs. 8. Ballast allowed but must be secured. 9. Vehicle must represent OEM models and must have firewalls. Engines: 1. 410 Cubic inch total small block only. 2. One four barrel carburetor. No dominators or SV-1 s allowed. 3. Aluminum intake allowed. No tunnel rams. 4. Roller cam and lifters allowed. 5. 23 degree cast iron or aluminum heads. Aluminum heads must be Brodix Trac 1 or Dart Pro 1 only and all casting # s must be present and legible. 6. No modifications or valve angle changes. 7. After market ignition allowed. 8. One 2 spacer allowed between carburetor and manifold. Fuel: 1. Pump or racing gasoline only. 2. No Alcohol or additives. 3. No NOS. Transmission: 1. Stock only. 2. Stall converter allowed. 3. Any geared ratio allowed. 4. Auto shifter allowed. Continue - Over 410 cubic inches and under 474 cubic inch super stock trucks. 1. Any DOT tires allowed. Cut or uncut. 2. 4 wheel brakes required. www.brazoriacountymuddragsllc.com Page 6
1. Must retain all factory exterior panels. 2. Any type usable bed allowed. No tarps. 3. Must have a windshield. 4. No ATV type or motorcycles. 5. Stock suspension only. 2 stabilizer bars allowed- (1) on each side. 6. Must have a firewall. 1. Any 8 cylinder OEM engine allowed. 2. Aluminum intake allowed. One four barrel carburetor. Dominators and SV-1 s allowed on Super Stock trucks only. 3. No aluminum heads on Super Stock trucks. 4. Open headers allowed. 5. Roller cams allowed. 6. One carburetor. 7. CID limits 474. Fuel: 1. Pump or racing gasoline only. 2. No Nitrous Oxide. 3. No Additives. Gears: 1. Any gears ratio allowed. 2. 4 wheel drive only. Weight Limit Minimum: 1. Big block 3800 lbs. 2. Small blocks 3500 lbs. Transmission: 1. Stock only. 2. Stall converter allowed. 3. No 2 speed. 4. Trans brake allowed. 5. Auto shifters allowed. www.brazoriacountymuddragsllc.com Page 7
1. Any DOT or tractor tires allowed. Cut or uncut. 2. No paddles. 3. Must have 4 independent wheel brakes. 4. No passengers. 5. No wheelie bars. 1. Any safe frame acceptable. 2. Sheet metal must surround driver compartment. 3. Must have a firewall. 1. Any 8 cylinder allowed. 2. Any internal modifications allowed. 3. Single four barrel carburetor allowed. SV-1s are allowed. 4. No super chargers or turbo chargers. 5. No sheet metal intake or tunnel rams. 6. No aluminum blocks allowed. Fuel: 1. Gasoline or alcohol allowed. 2. No additives 3. No nitrous oxide. Transmission: 1. Any safe combination allowed. 2. Scatter shield or safety blanket required. 3. Drive shaft loops required. 4. Any gear ratio allowed. Weight Limit: 1. Small blocks 1900 lbs minimum with driver. 2. Big blocks 2200 lbs minimum with driver. 3. No front 4 wheel drive case, ring and pinion. 4. Straight axle or independent suspension allowed. *There will be some trucks Grand Fathered in to this class, that raced in 4 wheel modified, that were door slammer type trucks with round tube chassis in 2010 and before. If we have a National Event, the Grand Fathered trucks would have to be moved to a higher class to participate. If we have a National Event Pro Stock, it will be run with Un-cut DOTS. Outlaw Pro Stock will be run with cut tires and NOS. www.brazoriacountymuddragsllc.com Page 8
1. In this class is for highly modified stock appearing four wheel drive race vehicles. Altered frames, race bodies and high performances race engines allowed. 2. No passengers. 1. Any style jeep or truck body is allowed. Must be recognizable. No excessive cutting of the body. Fenders and roof must be retained if originally equipped. No narrowing of body permitted. 2. Body must extend to and cover all front engine components. 3. A firewall and floor pan must be present protecting the driver from engine and driveline components. Minimum of 16 ga. steel or.060 (.120 recommended). Aluminum required. The firewall will extend from door to door and from the floor pan to the base of the windshield. The floor pan will extend from door to door and front of the cab or tub to the rear of cab or tub. NOTE the floor pan and firewall shall be securely attached to each other and to the frame work of the chassis. 4. Center seat acceptable. Must be located no more than 84 from the center of the front axle to the bottom of the seat back. 5. Windshield not required. Drivetrain/Chassis: 1. Main frame rails can be constructed from a minimum of 2x3 rectangular tubing and must be a minimum of.080 wall thickness. No round tubing or ladder style frames allowed. Round tube can be used for additional bracing. The main frame is considered from front axle tube centerline to rear axle tube centerline. 2. Minimum 8 point roll cage. 3. Any type suspension allowed. 4. Any style OEM or aftermarket chain or gear drive transfer set ups allowed. 5. Dual independent master cylinder brake system required. 6. Four independent wheel brakes required 7. Maximum 46.5 DOT tires cut or uncut. 8. 3000 lbs. minimum for big blocks, 2700 lbs. minimum for small blocks. 9. Maximum wheel base 130. 1. Any automotive type engine acceptable. 2. Engine must be located with #1 spark plug no more than 12 behind the center of the front axle tube. 3. Big block aluminum engine blocks not permitted. Small block aluminum blocks are allowed. 4. Any type of cylinder head and intake manifold allowed. 5. Maximum of 4 barrels of carburetion (split, stretched dominators and SV-1 s allowed). Single carburetor only. 6. Vacuum pumps and dry sump allowed. 7. Pump or racing gasoline only. No alcohol, additives or nitrous. www.brazoriacountymuddragsllc.com Page 9
1. This class is primarily a nitrous class intended for highly modified four wheel drive trucks and jeeps. Competition chassis, race bodies and pro stock style engines. 1. Any model jeep or truck body allowed but must be recognizable. 2. Fenders, doors, and roof must be retained if originally OEM equipped. 3. No narrowing of the body from the back of cab or tub (Driver compartment forward). 4. Narrowing or bobbing of rear quarter panels are allowed for tire clearance. Must extend as follows: Narrowed panels (panels between the tires) must extend to the end of the frame. Bobbed rear quarter panels must extend a minimum of 12 behind the cab. 5. Body and grill must extend to and cover all front engine components. 6. The maximum distance from the center of the front axle, to the bottom of the (driver s) seat back, cannot not exceed 84 inches. Center seat allowed. 7. A firewall and floor pan must be present protecting the driver from engine and driveline components. Minimum 0.030 steel or 0.060 aluminum required. 8. The firewall shall extend from door to door and from floor pan to the base of the windshield. 9. The floor pan shall extend from door to door and front of the cab or tub, to rear of cab or tub (driver s compartment). 10. Firewall and the floor pan must be securely attached to each other and to the frame work of the chassis. 11. Window nets or arm restraints are required. Windshield rear and side window glass and related hardware not required. 12. Race seats are allowed. Chassis: 1. The main frame rails of the chassis shall be constructed of a minimum of 0.080 square steel tubing. Minimum dimensions of 2 x3 or any factory frame or frame rails. 2. Minimum length of frame rails shall be from centerline of front axle to centerline of rear axle. 3. Round tube can be used for additional bracing. 4. Back half chassis allowed. 5. Minimum 8 point roll cage. 6. Any type suspension allowed. 7. Any type OEM or aftermarket chain or gear drive transfer set ups allowed. 8. Any type of transmission allowed. Modifications allowed. 9. Four independent wheel brakes required. Dual master cylinder or OEM style dual reservoir master cylinder required. www.brazoriacountymuddragsllc.com Page 10
10. Maximum 46.5 DOT tires with alterations (Cuts) allowed. 11. Maximum wheel base 130. Weight Limit Minimum with driver with power adder (nitrous): 1. 2800 lbs. for a big block equipped vehicle 2. 2500 lbs. for a small block equipped vehicles. Weight Limit Minimum with driver and no power adder: 1. 2500 lbs. for big block equipped vehicles 2. 2200 lbs. for small block equipped vehicles. 1. Any OEM type automotive engines. 2. Small block aluminum blocks allowed. No other aluminum blocks allowed. 3. Engine shall be relocated a maximum of 12 back from the centerline of the front axle tube to the #1 spark plug. 4. Any automotive type of cylinder head allowed. 5. OEM fuel injection only. No aftermarket injection systems. 6. Any automotive type carbureted intake manifold allowed. Sheet metal intakes are allowed. 7. Dual carburetors allowed gas and alcohol. Split and stretched dominators allowed. Duel predator or SV-1 style allowed. 8. Vacuum pumps and dry sumps allowed. 9. Any racing gas, alcohol or methane allowed. NO nitro methane. Specific gravity tolerances cannot exceed.817 @ 60 degrees. 10. Nitrous allowed. 11. No turbo chargers. No superchargers. 12. Competition exhaust allowed and shall point straight up, to the rear and/or down. 1. This modified class primarily an alcohol injected class which also allows naturally aspirated combinations. This class is intended for highly modified four wheel drive vehicles featuring full tube (rail) chassis vehicles. 2. Any engine location and aluminum engine blocks are allowed. These vehicles need not resemble any factory produced vehicle. 1. A body is required. It can be constructed from metal, fiberglass or plastic. Any design. 2. It is required to cover the driver s compartment of the vehicle. www.brazoriacountymuddragsllc.com Page 11
3. A firewall and a floor pan shall be present protecting driver from engine and driveline components. Minimum 0.030 steel or 0.060 aluminum required. Chassis: 1. All rear engine vehicles requires the roll cage must extend forward of the driver s feet in order to provide adequate protection for the driver s compartment. 2. Any engine location allowed. 3. Any type suspension allowed. 4. Any type of transmission allowed. 5. Any type transfer set up. 6. Any OEM style front and rear differentials allowed. Modifications allowed. 7. Four independent wheel brakes required. Duel master cylinder or OEM style dual reservoir master cylinder required. 8. Maximum 46.5 DOT tires with alterations (Cuts) allowed. 9. Vera Trac and similar sand tires are acceptable on front of the vehicle. 10. Maximum wheel base 150. Weight Limit Minimum with driver with power adder: 1. 2450 lbs. for a big block equipped vehicle 2. 2150 lbs. for a small block equipped vehicles. Weight Limit Minimum with driver and no power adder: 1. 2150 lbs. for big block equipped vehicles 2. 1850 lbs. for small block equipped vehicles. 1. Any automotive type engine allowed. Cast iron or aluminum block allowed. 2. Any automotive type cylinder head allowed. 3. Sheet metal intakes are allowed. 4. Multiple carburetors allowed. 5. Any aftermarket fuel injection allowed. 6. Nitrous allowed. 7. Race fuel allowed. 8. M-1, M-3, M-5 alcohols allowed. 9. No nitro, methane, or similar fuel accelerators. Specific gravity tolerances will not exceed.817 @ 60 degrees. 10. No turbochargers. No superchargers. 11. Competition exhaust allowed. It must point straight up, to the rear, and/or down. www.brazoriacountymuddragsllc.com Page 12
1. This open class is primarily an alcohol injected class which also allows nitrous and naturally aspirated combinations. 2. This class is intended for highly modified four wheel drive vehicles featuring full tube (rail) chassis vehicles. 3. Any engine location and aluminum engine blocks are allowed. These vehicles need not resemble any factory produced vehicle. 1. A body is required. It can be constructed from metal, fiberglass or plastic. Any design. 2. It is required to cover the driver s compartment of the vehicle. 3. A firewall and a floor pan shall be present protecting driver from engine and driveline components. Minimum 0.030 steel or 0.060 aluminum required. Chassis: 1. All rear engine vehicles requires the roll cage must extend forward of the driver s feet in order to provide adequate protection for the driver s compartment. 2. Any engine location allowed. 3. Any type suspension allowed. 4. Any type of transmission allowed. 5. Any type transfer set up. 6. Any OEM style front and rear differentials allowed. Modifications allowed. 7. Four independent wheel brakes mandatory. Duel master cylinder or OEM style dual reservoir master cylinder required. 8. Maximum 46.5 DOT tires with alterations (Cuts) allowed. 9. Vera Trac and similar sand tires are acceptable on front of the vehicle. 10. Maximum wheel base 150. Weight Limit Minimum with driver with power adder: 3. 2450 lbs. for a big block equipped vehicle 4. 2150 lbs. for a small block equipped vehicles. Weight Limit Minimum with driver and no power adder: 3. 2150 lbs. for big block equipped vehicles 4. 1850 lbs. for small block equipped vehicles. 1. Any automotive type engine allowed. Cast iron or aluminum block allowed. 2. Any automotive type cylinder head allowed. 3. Nitrous allowed. No other power adders. 4. Any automotive type intakes allowed. 5. Any aftermarket fuel injection allowed. 6. Any automotive type carburetion system allowed. 7. Nitrous allowed. 8. Race fuel allowed. 9. M-1, M-3, M-5 alcohols allowed. www.brazoriacountymuddragsllc.com Page 13
10. No nitro, methane, or similar fuel accelerators. Specific Gravity tolerances will not exceed.817 @ 60 degrees. 11. Any type of competition exhaust allowed. It must point straight up, to the rear, and/or down. 1. This class is intended for highly modified 2 or 4 wheel drive vehicles allowing tube chassis, any engine location, aluminum engine blocks and super chargers. These vehicles need not resemble any factory produced vehicle. 2. No passengers. 1. A body is required. It can be constructed from metal, fiberglass or plastic and any design. 2. A firewall and floor plan must be present, protecting driver from engine and driveline components. Drivetrain: 1. Chassis material, design and workmanship must meet safety requirements and tech approval. 2. Rear engine vehicles roll cage must provide adequate protection to driver s legs. 3. Any type suspension allowed. 4. Paddle tires or maximum 46.5 DOT tires with alterations (Cuts) allowed. 5. Dual independent master cylinder brake system required. 6. Four independent wheel brakes required. 7. Maximum wheelbase 150. 1. Any automotive type engine acceptable. 2. Blowers, turbo chargers, injection, multiple carbs, and nitrous allowed. 3. Gas and alcohol only. No nitro, methane, or similar fuel accelerators. 4. Any safely constructed competition exhaust allowed. 5. Blower restraints and belt shield required. Blower and hat blankets and fuel line shield highly recommended. Weight Limit Minimum with driver with power adder (nitrous): 1. 2450 lbs. for a big block equipped vehicle 2. 2150 lbs. for a small block equipped vehicle. Weight Limit Minimum with driver and no power adder: 1. 2150 lbs. for big block equipped vehicles 2. 1850 lbs. for small block equipped vehicles. www.brazoriacountymuddragsllc.com Page 14
1. Any vehicle that enters into and competes in a BRAZORIA COUNTY MUD DRAGS, LLC class, may compete in the Consistency Class. 2. After two runs per a driver, the difference between the two times is your consistency score. Example: If truck A runs a 2.500 and a 3.500, the score is 1.000. If truck B runs a 6.805 and a 7.312, the score is 0.507. Winner is truck B. OUR SAFETY, YOUR SAFETY AND THE SPECTATORS SAFETY DEPENDS ON EVERYONE BEING A TEAM PLAYER. WE ALL MUST TAKE THE EXTRA EFFORT TO COMPLY WITH ALL THE SAFETY RULES. WE ALL MUST USE OUR COMMON SENSE AND STAY ALERT TO ALL THE SURROUNDINGS. THIS COMBINED CONTRIBUTION ASSISTS THIS TRACK IN PROVIDING ALL OF US, A FUN AND EXCITING NIGHT OF MUD DRAGS. KEEPING EVERYONE SAFE, GIVES US THE ABILITY TO CONTINUE SHARING THE RUSH OF THIS SPORT AND KEEP GROWING THIS SPORT FOR YEARS TO COME. BE SAFE, BE ALERT AND RACE FORWARD WITH SPEED AND GOOD JUDGMENT. www.brazoriacountymuddragsllc.com Page 15