Dirt Drag Class Rules
STOCK CLASS
1. This is a heads up class with a 575 breakout. No Pro Modified 460 Breakout Trucks Allowed in this Class.
2. You may run any type of vehicle in this class. All vehicles must have well working brakes.
3. All safety rules apply – see general rules.
4. Tires must be DOT approved; they can be cut or grooved. Scoopers, sand paddles or tractor tires
will not be permitted.
SUPER STOCK CLASS
THIS IS A 4X4 TRUCK CLASS
Safety Rules:
1. Safety is the First Priority. If You Do Not Pass the Safety Tech-In, You DO NOT RACE.
ALL SAFETY RULES Apply - See GENERAL RULES.
2. Must Have Window Net on Drivers Side.
3. Must Have Rear Drive Shaft Loop.
4. Must Have Secure Roll Cage, Harness, Helmet & Fire Extinquisher.
5. On/Off Battery Disconnect Switch is Required at
the Rear on the Passenger Side. The Switch must
be Located a Minimum of Twelve (12) Inches to a
Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear. Weight: Small Blocks must Weigh a Minimum of 3700 lbs with Driver, Big Block must weigh a minimum of 3900 lbs with Driver. All Big Blocks must be in Full Size Vehicles, no Big Blocks in Mid Size vehicles, ex. Jeeps or small type Broncos.
Roll Cage:
1. Must Have a 4-Point Roll Cage in the Cab Welded to Frame. A 6-Point Roll Cage Is Recommended.
2. Must Be a Minimum of 1.5” Diameter with at Least .063 Wall Thickness Chrome Molly or Mild Steel Tubing or some type of material of equal strength.
3. NOTE: Roll Bars/Sport Bars in the Bed of the Vehicle Are Not Considered an Acceptable Substitute for a Roll Cage.
4. Doors May Be Trimmed for Roll Cage, But Not Gutted. "Gutted" Refers to Excessive Removal of the Interior Above and Beyond That Which Is Required for the Roll Cage And/Or Other Specific Rules Allow.
5. Doors Must Be Able to Securely Open & Close.
Body and Frame:
1. Original Body and Frame with No Modifications Other than Fender Cut-Outs. No excessive cutting or gutting allowed. Heaters, gas tanks & etc. may be removed. All Fuel Lines, Brake Lines, Muffler Hangers or any other unused hoses or hangers may be removed from Frame.
2. Vehicles Must Have All Factory Sheet Metal. You may run with or without hood or tailgate. Hood can be made of any material.
3. NOTE: Excessive Body and Interior Modifications Will Prevent you from racing in this Class.
4. No Mixing of Engine and Body Style. Engine Type Must Be Offered By Manufacturer in that Style ½ Ton or Larger Vehicle. (Ex. Ford Engine in Ford Chassis, Chevrolet Engine in Chevrolet Chassis, etc.) All Big Blocks must be in full size vehicles, No Big Blocks in Mid Size Vehicles (EX. Jeeps or Small Type Broncos.) Small Block must weigh a minimum of 3700 lbs. with Driver, Big Blocks must Weigh a minimum of 3900 lbs. with Driver.
5. All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, Springs, etc.).
6. No Shortening or Lengthening of Frame Allowed.
7. All Stock Automotive Glass May Be Removed from Vehicle except windshield. Example, Door Windows, Side Windows or Back Windows may be removed.
8. Drivers Must be Shielded from all Radiators, Oil Coolers & etc.
9. Top of Cab & Front Bed Panel May be Removed From Any Type Vehicle. Ex. You May Remove the top of Cab & Front Bed Panel and Trim Top of Doors from a Chevrolet, Ford or Dodge Pickup to resemble a 67-72 Model Chevrolet Blazer.
Interior:
1. Driver's Seat Must Be Located on the Left Side Similar to Stock.
2. Anything that can be unbolted or unscrewed from Interior may be Removed, such as door panels, window cranks, radios, air duct work, Heater Core or any type of padding on dash.
3. Factory Firewall Mandatory and Cannot Be Repositioned, Clearance for Engines such as Big Block in Blazer Will Be Allowed.
4. NOTE: Excessive Body and Interior Modifications Will Prevent you from Running in this Class
5. Vehicle Is Required to Carry On-Board a Fully Charged, Mounted Fire Extinguisher of A, B, or C Dry Chemical Type, 2.5 Pounds Minimum Capacity in Cab.
6. 4-Point SFI Harness Required for Driver & Passenger.
Bumpers:
1. Must Have Factory Type Front Bumper, No Rear Bumper Required.
2. All After Market Bumpers Must Be Capped Off Even and Not Stick Out Past the Side Body Panels or the Tires. No Protruding or Sharp Edges. No Pipe or Tubing Unclosed/Uncapped Allowed.
3. Tow Hooks on Front and Rear are Recommended.
Fuel Tanks/Cells/Pumps:
1. Gas Tank May be Removed and Replaced with a Fuel Cell.
2. All Tanks/Cells Must Have Positive Locking or Screw Caps.
3. Fuel Tanks/Cells Must Be Fully Secured.
4. All Fuel Lines Must Be Isolated from Driver's Compartment.
5. Manual or Electric Fuel Pumps, No Belt Driven.
Fuel:
1. Gasoline or Racing Fuel Only, No Alcohol.
2. No Ether, Nitro, Nitro Methane, Propylene Oxide, Nitrous Oxide, or Nitrous Devices (Nitrous Plates, Nitrous Solenoids, etc.) Allowed.
Transmission:
1. Any OEM Production Type Transmission & Transfer Case Allowed if Offered by Manufacturer in that Style Vehicle. Manual Valve Body Allowed.
2. Aftermarket Shifters Allowed.
3. Any Stall Converters Allowed.
4. No Power Glides Allowed.
5. No Transbrakes or Electric Transmission Controls or Any Type of Electrical Line Brakes Allowed. Manual Type Drive Line Brake Allowed. Must Have Well Working Brakes on at Least 2 Wheels, ex. 2 front wheels or 2 back wheels.
6. All Automatic Transmissions Must Have a SEMA Approved Shield or Blanket.
Suspension:
1. OEM/Stock Type Suspension.
2. Must Maintain OEM Type Leaf Spring Suspension in OEM Mounting Locations. No 3 or 4 links Allowed. No Aftermarket Coil Over.
3. No Aftermarket Shackles/Sliders Allowed.
4. Lift Kits Are Allowed.
5. All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, etc.).
6. Can Change / Up-Grade Axles, Rear End Housings.
7. No 4-Link, Z-Link Conversions Allowed. (Ex. Chevrolet Under Ford, Ford Under Chevrolet, etc.)
8. No Ladder Bars or Traction Devices Allowed.
9. Over the Spring Application, such as top bars Allowed
• Non Adjustable Traction Bar under leaf spring allowed.
• Rack and pinion steering allowed.
Tires:
1. All Tires Must Have DOT#. No Cutting or Grooving.
Radiator:
1. Radiator May Be Relocated to the Bed of the Vehicle.
2. Electric Fans and Electric Water Pumps Are Okay.
3. Radiator Must Be Securely Fastened and Shielded from Driver.
4. Must Not Be in the Driver's Compartment.
Battery:
1. Must Not Be in Driver's Compartment. Must Be Installed with 3/8” Bolts with a Minimum of a ¼” Steel Plate and/or Tube Frame Type Construction. (Bungee Ties or Rubber Straps Are Not Acceptable.)
2. May have Auxiliary Batteries.
3. On/Off Battery Disconnect Switch Is Required at the Rear on the Passenger Side. The Switch Must Be Located a Minimum of Twelve (12) Inches to a Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear.
Engine Specifics:
1. Only One (1) Engine Per Vehicle.
2. Engine Has to Be in Stock Location with Stock Type Mounts. Factory Firewall Mandatory and Cannot Be Repositioned. Clearance for Engines such as Big Block in Blazer Will Be Allowed.
3. No Mixing of Engine and Body Style. (Ex. Ford in Ford, Chevy in Chevy, Dodge in Dodge, etc.)
4. Engine Type must be Offered by Manufacturer in that style Vehicle, Half Ton or Larger. Small Block will be Limited to 412 CID, Big Block Will be Limited to 477 CID. All Engines have to be in Stock Location with Stock Type Mounts.
5. Camshaft Swaps Are Allowed. Only Hydraulic Flat Tappet Camshaft and Lifters Are Allowed. Camshaft and Lifters Must Be Hydraulic. Hydraulic Lifters Cannot Be Altered. No Hydraulic Rollers Allowed. Ceramic Lifters Allowed.
6. All Engines Must Pull 14" of Vacuum at 1,000 RPMs. No Vacuum Devices. Vacuum must be Pulled Directly off Motor (Ex. No Pulling Vacuum from Brake Booster or Etc.)
7. Maximum Cubic Inch Small Block = 412 CID.
8. Maximum Cubic Inch Big Block Cubic = 477 CID.
STROKE: Small Block Motors Can Be Stroked or De-Stroked. Big Blocks Cannot Be Stroked or De-Stroked.
CRANK: Aftermarket Crankshaft Okay.
PISTONS: Aftermarket Pistons Allowed: Flat, Dish, & Dome Pistons Allowed.
BLOCK: Any Production OEM Cast Iron Block Allowed. No Aftermarket Blocks Allowed. (Ex. 502, SVO or Bowtie, Etc.)
RODS: Aftermarket Rods Okay, including aluminum rods. Aftermarket Rod Bolts Are Allowed.
HEADS: Any OEM Production Cast Iron Heads Are Allowed. Any Modifications Are Allowed. GT40 & Chevy Vortec, Bowtie or Vortec Bowtie Heads Are Allowed. No Aftermarket Heads (Ex: No Dart, Brodix, World Product, Mopar Performance, Hemi, SVO Allowed.)
ROCKER ARMS: Roller Rocker Arms Okay. Screw-In Studs & Guide Plates Are Allowed.
INTAKE: Any Aftermarket Intake Allowed.
ALLOWABLE PARTS: Double Roller Timing Chains, High Velocity Oil Pumps, Racing Oil Pans, and Pick-Up Screens, Up-Graded Fasteners. Oil Coolers Are Allowed.
No Aftermarket On-Board Computer and/or Analysis Equipment Allowed at Any Time.
Carburetor Only:
1. Any Single, Small Base Carburetor Is Allowed. May be Double Pumper. No ‘Dominator' Style Big Base Carburetors Allowed.
2. Throttle Pedal Must Be Positive Acting with Return Loop or Arm for Return In Case of Stuck Throttle. Three Return Springs are Mandatory, One (1) on Pedal and Two (2) on Carburetor.
3. No Fuel Injection Allowed.
Electrical:
1. Any Ignition Allowed.
2. No Magnetos Allowed.
3. No Aftermarket Devices such as Ignition Retarders or Advances.
Exhaust:
1. Headers Are Allowed. Headers Can Be Run Up or Down.
Brakes:
1. Driveline Brakes Okay. No Electrical Controls Allowed
2. Must Have Brakes on at Least Two (2) Wheels (Ex. Two Front Wheels or Two (2) Back Wheels).
3. Must Be Able to Stop Safely.
POOR BOY'S SMALL BLOCK CLASS
THIS IS A 4X4 TRUCK CLASS
Safety Rules:
• Safety is the First Priority. If You Do Not Pass the Safety Tech-In, You DO NOT RACE. ALL SAFETY RULES Apply - See GENERAL RULES.
• Must Have Window Net on Drivers Side.
• Must Have Rear Drive Shaft Loop.
• Must Have Secure Roll Cage, Harness, Helmet & Fire Extinquisher
• On/Off Battery Disconnect Switch is Required at the Rear on the Passenger Side. The Switch must be Located a Minimum of Twelve (12) Inches to a Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear.
Roll Cage:
1. Must Have a 4-Point Roll Cage in the Cab Welded to Frame. A 6-Point Roll Cage Is Recommended.
2. Must Be a Minimum of 1.5” Diameter with at Least .063 Wall Thickness Chrome Molly or Mild Steel Tubing or some type of material of equal strength.
3. NOTE: Roll Bars/Sport Bars in the Bed of the Vehicle Are Not Considered an Acceptable Substitute for a Roll Cage.
4. Doors May Be Trimmed for Roll Cage, But Not Gutted. "Gutted" Refers to Excessive Removal of the Interior Above and Beyond That Which Is Required for the Roll Cage And/Or Other Specific Rules Allow.
5. Doors Must Be Able to Securely Open & Close.
Body and Frame:
1. Original Body and Frame with No Modifications Other than Fender Cut-Outs.
No excessive cutting or gutting allowed. Heaters, gas tanks & etc. may be removed. All Fuel Lines, Brake Lines, Muffler Hangers or any other unused hoses or hangers may be removed from Frame.
2. Vehicles Must Have All Factory Sheet Metal. You may run with or without hood or tailgate. Hood can be made of any material.
3. NOTE: Excessive Body and Interior Modifications Will Prevent you from racing in this Class.
4. No Mixing of Engine and Body Style. Engine Type Must Be Offered By Manufacturer in that Style ½ Ton or Larger Vehicle. (Ex. Ford Engine in Ford Chassis, Chevrolet Engine in Chevrolet Chassis). Must be Full Size Vehicles. No Jeeps, small type broncos, bronco II or etc. Allowed.
5. All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, Springs, etc.).
6. No Shortening or Lengthening of Frame Allowed.
7. All Stock Automotive Glass May Be Removed from Vehicle except windshield. Example, Door Windows, Side Windows or Back Windows may be removed.
8. Drivers Must be Shielded from all Radiators, Oil Coolers & etc.
Interior:
1. Driver's Seat Must Be Located on the Left Side Similar to Stock.
2. Anything that can be unbolted or unscrewed from Interior may be Removed, such as door panels, window cranks, radios, air duct work, Heater Core or any type of padding on dash.
3. Factory Firewall Mandatory and Cannot Be Repositioned.
4. NOTE: Excessive Body and Interior Modifications Will Prevent you from Running in this Class
5. Vehicle Is Required to Carry On-Board a Fully Charged, Mounted Fire Extinguisher of A, B, or C Dry Chemical Type, 2.5 Pounds Minimum Capacity in Cab.
6. 4-Point SFI Harness Required for Driver & Passenger.
Bumpers:
1. Must Have Factory Type Front Bumper, No Rear Bumper Required.
2. All After Market Bumpers Must Be Capped Off Even and Not Stick Out Past the Side Body Panels or the Tires. No Protruding or Sharp Edges. No Pipe or Tubing Unclosed/Uncapped Allowed.
3. Tow Hooks on Front and Rear are Recommended.
Fuel Tanks/Cells/Pumps:
1. Gas Tank May be Removed and Replaced with a Fuel Cell.
2. All Tanks/Cells Must Have Positive Locking or Screw Caps.
3. Fuel Tanks/Cells Must Be Fully Secured.
4. All Fuel Lines Must Be Isolated from Driver's Compartment.
5. Manual or Electric Fuel Pumps, No Belt Driven.
Fuel:
1. Gasoline or Racing Fuel Only, No Alcohol.
2. No Ether, Nitro, Nitro Methane, Propylene Oxide, Nitrous Oxide, or Nitrous Devices (Nitrous Plates, Nitrous Solenoids, etc.) Allowed.
Transmission:
1. Any OEM Production Type Transmission & Transfer Case Allowed if Offered by Manufacturer in that Style Vehicle. Manual Valve Body Allowed.
2. Aftermarket Shifters Allowed.
3. Any Stall Converters Allowed.
4. No Power Glides Allowed.
5. No Transbrakes or Electric Transmission Controls or Any Type of Electrical Line Brakes Allowed. Manual Type Drive Line Brake Allowed. Must Have Well Working Brakes on at Least 2 Wheels, Ex. 2 front wheels or 2 back wheels.
6. All Automatic Transmissions Must Have a SEMA Approved Shield or Blanket.
Suspension:
1. OEM/Stock Type Suspension.
2. Must Maintain OEM Type Leaf Spring Suspension in OEM Mounting Locations. No 3 or 4 links Allowed. No Aftermarket Coil Over.
3. No Aftermarket Shackles/Sliders Allowed.
4. Lift Kits Are Allowed.
5. All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, etc.).
6. Can Change / Up-Grade Axles, Rear End Housings.
7. No 4-Link, Z-Link Conversions Allowed. (Ex. Chevrolet Under Ford, Ford Under Chevrolet, etc.)
8. Ladder Bars and Top Bars Okay.
9. Rack and pinion steering Allowed.
• No Housing Floaters or Hime Joints.
Tires:
1. All Tires Must Have DOT#. No Cutting or Grooving. 38” Limit.
Radiator:
1. Radiator May Be Relocated to the Bed of the Vehicle.
2. Electric Fans and Electric Water Pumps Are Okay.
3. Radiator Must Be Securely Fastened and Shielded from Driver.
4. Must Not Be in the Driver's Compartment.
Battery:
1. Must Not Be in Driver's Compartment. Must Be Installed with 3/8” Bolts with a Minimum of a ¼” Steel Plate and/or Tube Frame Type Construction. (Bungee Ties or Rubber Straps Are Not Acceptable.)
2. May have Auxiliary Batteries.
3. On/Off Battery Disconnect Switch Is Required at the Rear on the Passenger Side. The Switch Must Be Located a Minimum of Twelve (12) Inches to a Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear.
Engine Specifics:
1. Only One (1) Engine Per Vehicle.
2. Engine Has to Be in Stock Location. Factory Firewall Mandatory and Cannot Be Repositioned.
3. No Mixing of Engine and Body Style. (Ex. Ford in Ford, Chevy in Chevy, Dodge in Dodge, etc.)
4. Engine Type must be offered by Manufacturer in that Style Vehicle, one half ton or Larger. All Full Size Vehicles. NO Jeeps, Small Broncos, Bronco II's or etc. Allowed
5. Maximum CID is 413, Small Block Only.
6. Any Camshaft and Valve Train Allowed.
STROKE: No Strocking or De-Strocking.
CRANK: Aftermarket Crankshaft Okay.
PISTONS: Aftermarket Pistons Allowed: Flat, Dish, & Dome Pistons Allowed.
BLOCK: Any Cast Iron Aftermarket Block Allowed.
RODS: Aftermarket Rods Okay, NO aluminum rods. Aftermarket Rod Bolts Are Allowed.
HEADS: Any Cast Iron Heads Are Allowed. No 18 Degree Heads, Spread Port or High Port Heads, aluminum or Hemi Heads allowed. Must be Close to factory valve angle for that Type Engine before any Angle Milling or any type modification has been done. (Ex. Chevrolet small block heads must be 23 degrees.) Any Modification Allowed. )
ROCKER ARMS: Roller Rocker Arms Okay. Screw-In Studs & Guide Plates Are Allowed.
INTAKE: Any Aftermarket Intake Allowed.
ALLOWABLE PARTS: Double Roller Timing Chains, High Velocity Oil Pumps, Racing Oil Pans, and Pick-Up Screens, Up-Graded Fasteners. Oil Coolers Are Allowed.
No Aftermarket On-Board Computer and/or Analysis Equipment Allowed at Any Time.
Carburetor Only:
1. Any Single, Small Base Carburetor Is Allowed. May be Double Pumper. No ‘Dominator' Style Big Base Carburetors Allowed.
2. Throttle Pedal Must Be Positive Acting with Return Loop or Arm for Return In Case of Stuck Throttle. Three Return Springs are Mandatory, One (1) on Pedal and Two (2) on Carburetor.
3. No Fuel Injection Allowed.
Electrical:
1. Any Ignition Allowed.
2. No Magnetos Allowed.
3. No Aftermarket Devices such as Ignition Retarders or Advances.
Exhaust:
1. Headers Are Allowed. Headers Can Be Run Up or Down.
Brakes:
1. Driveline Brakes Okay. No Electrical Controls Allowed
2. Must Have Brakes on at Least Two (2) Wheels (Ex. Two Front Wheels or Two (2) Back Wheels).
3. Must Be Able to Stop Safely.
BIG BLOCK MODIFIED CLASS
THIS IS A 4X4 TRUCK CLASS
Safety Rules:
• Safety is the First Priority. If You Do Not Pass the Safety Tech-In, You DO NOT RACE. ALL SAFETY RULES Apply - See GENERAL RULES.
• Must Have Window Net on Drivers Side.
• Must Have Rear Drive Shaft Loop.
• Must Have Secure Roll Cage, Harness, Helmet & Fire Extinquisher
• On/Off Battery Disconnect Switch is Required at the Rear on the Passenger Side. The Switch must be Located a Minimum of Twelve (12) Inches to a Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear.
Weight: This is a Weight Limit Class. Your Truck must weigh 8 lbs per cubic inch with driver in truck.
Roll Cage:
1. Must Have a 4-Point Roll Cage in the Cab Welded to Frame. A 6-Point Roll Cage Is Recommended.
2. Must Be a Minimum of 1.5” Diameter with at Least .063 Wall Thickness Chrome Molly or Mild Steel Tubing or some type of material of equal strength.
3. NOTE: Roll Bars/Sport Bars in the Bed of the Vehicle Are Not Considered an Acceptable Substitute for a Roll Cage.
4. Doors May Be Trimmed for Roll Cage, But Not Gutted. "Gutted" Refers to Excessive Removal of the Interior Above and Beyond That Which Is Required for the Roll Cage And/Or Other Specific Rules Allow.
5. Doors Must Be Able to Securely Open & Close.
Body and Frame:
1. No Tube Frames. Must be Factory Type Frames. No Shortening or Lengthening of Frames. Factory Type Fenders on Front & Rear can be made of any material, example, aluminum or fiberglass. Must have Truck appearance. Must have Factory type Cab & operational Doors.
2. You may run with or without hood or tailgate. Hood can be made of any material.
3. No Mixing of Engine and Body Style. Engine Type Must Be Offered By Manufacturer in that Style ½ Ton or Larger Vehicle. (Ex. Ford Engine in Ford Chassis, Chevrolet Engine in Chevrolet Chassis). Must be Full Size Vehicles.
4. All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, Springs, etc.).
5. All Stock Automotive Glass May Be Removed from Vehicle. Windshield may be replaced with Lexan or Speed Glass. All other Glass, Example, Door Windows, Side Windows or Back Windows may be removed.
6. Drivers Must be Shielded from all Radiators, Oil Coolers & etc.
Interior:
1. Driver's Seat Must Be Located on the Left Side Similar to Stock lLocation.
2. Anything from Interior may be Removed, such as door panels, window cranks, radios, air duct work, Heater Core or Dash, etc.
3. Firewall Mandatory and Can Be Repositioned with any safe fireproof material, such as heavy gauge aluminum or etc.
4. Vehicle Is Required to Carry On-Board a Fully Charged, Mounted Fire Extinguisher of A, B, or C Dry Chemical Type, 2.5 Pounds Minimum Capacity in Cab.
5. 4-Point SFI Harness Required for Driver & Passenger.
Bumpers:
1. Tow Hooks on Front and Rear are Recommended.
Fuel Tanks/Cells/Pumps:
1. Gas Tank May be Removed and Replaced with a Fuel Cell.
2. All Tanks/Cells Must Have Positive Locking or Screw Caps.
3. Fuel Tanks/Cells Must Be Fully Secured.
4. All Fuel Lines Must Be Isolated from Driver's Compartment.
5. Any Type of Fuel Pump, including Manual, Electric or Belt Driven Allowed.
Fuel:
1. Gasoline or Racing Fuel Only, No Alcohol.
2. No Ether, Nitro, Nitro Methane, Propylene Oxide, Nitrous Oxide, or Nitrous Devices (Nitrous Plates, Nitrous Solenoids, etc.) Allowed.
Transmission:
1. Any OEM Production Type Transmission or Transfer Case Allowed, if Offered by Manufacturer in that Style Vehicle.
2. Aftermarket Shifters Allowed.
3. Any Stall Converters Allowed.
4. Power Glides Allowed in Any Type Vehicle. (Ex. Can run in Ford, Chevrolet or Dodge.)
5. Transbrakes, Electric or Air Transmission Controls Allowed.
6. All Transmissions Must Have a SEMA Approved Shield or Blanket.
Front Suspension:
1. Must be Stock Type Suspension for that Type Vehicle.
2. Front Suspension Swaps Allowed. Ex. Chevy under Ford and Ford under Chevy.
3. All Type Front Suspensions must be stock type components in Stock Location.
4. Upgraded Shocks Allowed on Front, no Coil Over Shocks, Must be in Stock Location.
5. No Shock Towers, Shackle Sliders, Ladder Bars or Housing Floaters Allowed on Front Suspension.
6. Rack & Pinion Steering Allowed.
Rear Suspension
1. Coil Over Shocks are Allowed in Rear, But Must Maintain OEM Type Rear Leaf Spring Suspension in OEM Mounting Location. Leaf Springs must be Connected to the Frame in Shackles/Hangers at Both Ends – Front & Rear.
2. Aftermarket Shackles/Sliders are Allowed
3. Lift Kits are Allowed.
4. All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, etc.).
5. Can Change / Up-Grade Axles, Rear End Housing, etc.
6. No 4 Link, Z-Link Conversions Allowed.
7. Traction Devices, 5 th Links, Ladder Bars Are Allowed.
8. No Shock Towers Allowed On Rear.
Tires:
1. All Tires Must Have DOT#. No Cutting or Grooving.
Radiator:
1. Radiator May Be Relocated to the Bed of the Vehicle.
2. Electric Fans and Electric Water Pumps Are Okay.
3. Radiator Must Be Securely Fastened and Shielded from Driver.
4. Must Not Be in the Driver's Compartment.
Battery:
1. Must Not Be in Driver's Compartment. Must Be Installed with 3/8” Bolts with a Minimum of a ¼” Steel Plate and/or Tube Frame Type Construction. (Bungee Ties or Rubber Straps Are Not Acceptable.)
2. May have Auxiliary Batteries.
3. On/Off Battery Disconnect Switch Is Required at the Rear on the Passenger Side. The Switch Must Be Located a Minimum of Twelve (12) Inches to a Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear.
Engine Specifics:
1. Only One (1) Engine Per Vehicle.
2. Engine Type must be offered by Manufacturer and must be in Stock Location. Engine Plates and Mid Plates Okay.
3. No Mixing of Engine and Body Style. (Ex. Ford in Ford, Chevy in Chevy, Dodge in Dodge, etc.)
4. Factory Firewall Mandatory and Cannot Be Repositioned. Clearance for engines such as big block in Blazer will be Allowed.
5. Maximum CID is 540. Big Block Only.
6. Any Camshaft and Valve Train Allowed.
CRANK: Aftermarket Crankshaft Okay.
PISTONS: Aftermarket Pistons Allowed: Flat, Dish, & Dome Pistons Allowed.
BLOCK: Any Cast Iron Aftermarket Block Allowed. No Aluminum Blocks.
RODS: Aftermarket Rods Okay, Aluminum rods Okay. Aftermarket Rod Bolts Are Allowed.
CHEVROLET HEADS: Any Cast Iron Heads Are Allowed. Aluminum Heads Allowed. No 14 or 18 Degree Heads, No Big Chief or Big Chief Type Heads, No High Port, Spread Port or Hemi Heads Allowed. Example: Allowable Heads: Brodix 2 extra, Dart 360, Dart 320 & Dart Pro 1. or Any Head of This Type. No 18 Degree oval port conventional Heads. Head must be Close to Factory Valve Angle before any angle milling or modification has been applied. Any Modification Allowed.
FORD HEADS: Any Cast Iron Heads are Allowed. Aluminum Heads Allowed. No Big Chief or Big Chief Type Heads Allowed. No High Port Heads Allowed. No Hemi Heads. Exception to the rule, Fords May Run The Revised A-460 Head, such as the EX514 or the Trick Flow Head, But they will be required to weigh 8.2 lbs. per cubic inch. The C-460 Head Will Not be Allowed. . Head must be Close to Factory Valve Angle before any angle milling or modification has been applied. Any Modification Allowed.
ROCKER ARMS: Roller Rocker Arms Okay. Screw-In Studs & Guide Plates Are Allowed.
INTAKE: Any Aftermarket Intake Allowed. No Sheet Metal Intakes, Tunnel Rams or Home made Spacers or Adapters. No High Port Intakes Allowed except on the Ford
EX 514 or Ford Trick Flow Heads, but they will be required to weigh 8.2 pounds per cubic inch.
ALLOWABLE PARTS: Double Roller Timing Chains, High Velocity Oil Pumps, Racing Oil Pans, and Pick-Up Screens, Up-Graded Fasteners. Oil Coolers Are Allowed.
No Aftermarket On-Board Computer and/or Analysis Equipment Allowed at Any Time.
Carburetor Only:
1. Any Type Carburetors Allowed. No Multi Carburetors.
2. Throttle Pedal Must Be Positive Acting with Return Loop or Arm for Return In Case of Stuck Throttle. Three Return Springs are Mandatory, One (1) on Pedal and Two (2) on Carburetor.
3. No Fuel Injection Allowed.
Electrical:
1. Any Ignition Allowed.
2. No Magnetos Allowed.
3. No Aftermarket Devices such as Ignition Retarders or Advances.
Exhaust:
1. Headers Are Allowed. Headers Can Be Run Up or Down.
Brakes:
1. Driveline Brakes Okay.
2. Must Have Brakes on at Least Two (2) Wheels (Ex. Two Front Wheels or Two (2) Back Wheels).
3. Must Be Able to Stop Safely.
PRO MODIFIED
1. This is a time limited class 460 is the minimum elapsed time.
2. This class will run off a pro tree. (Heads Up)
3. If your truck or car runs less than 460, it counts as a loss, two losses count as elimination.
4. You may enter 2wd or 4wd cars, trucks, rails, or buggies.
5. You can run small blocks or big blocks.
6. You may build your engine however you like, but must have a carburetor, alcohol or gas.
7. No blowers, injection systems, or NOS.
8. You may run any type of transmission setup.
9. You may have any type rear end-quick change or conventional. Rear end can be narrowed.
10. All vehicles must have well-working brakes, drive line brakes will be permitted.
11. Tires must be DOT approved; they can be cut or grooved. Scoopers, sand paddles or tractor tires
will not be permitted. 12. All vehicles must have a roll cage, full seat harness and fire extinguisher.
13. All vehicles are subject to a safety inspection prior to the race.
14. Any vehicle that does not pass the safety inspection will not be allowed to race.
OPEN CLASS
1. Run what you bring.
2. You must follow all general & safety rules.
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