2013 GENERAL RULES FOR DARKE COUNTY TRACTOR PULLS 1. Contests are open to farm tractors of manufacture with rubber tires. No dual tires or tire chains permitted 2. Div II Antique Classes driver must be at least 14 years of age and have written permission from parent or guardian. All other classes driver must be at least 16 years of age to pull. All drivers under 18 years old must have written permission from parent or guardian 3. Pull is ended when tractor stalls or forward motion stops, or determined by flagman 4. Tractors rechecked after pull if there is any question of rule violation 5. Weight includes driver. No driver changes after weigh in. 6. Weights must be securely fastened to tractor. 7. No portion of tractor may interfere with sled or sled hitch during pull 8. Any excess fluid loss on the track will be grounds for disqualification 9. Any external part falling on the track will mean automatic disqualification 10. Contest to be governed by judges with all decisions final 11. No alcoholic beverages allowed. 12. Safety equipment: all fast class pullers must properly wear DOT approved helmet and fire jacket/pants. 13. An area 6” wide and 12” high immediately above the drawbar must be free of all obstructions, including weights, for ease of hooking and unhooking. Also PTO shaft can not be running at time of hooking or unhooking from the sled 14. No refunds of entry fees in any and all classes 15. Drawbar must be at least 18” long from the center of rear axle to point of hook. Drawbar must be stationary in all directions. 16. Pullers must furnish clevis or D-ring with minimum 3”x3 3/4” hole for sled hook 17. No pulling from center link linkage 18. No center ling drawbar supports 19. Pro Stock rules apply for Pro Stock, Super Stock rules applies to Super Stocks in any COMBINED classes 20. No cut tires ANY Farm Stock classes 21. Antique Rules shall be Division II rules. 22. Order of pull subject to change 2013 ALTERED GAS TRUCK RULES 1. Class will be #6200 lbs with driver. Factory drive train, one ton or smaller, hanging weights allowed. (No dual wheels allowed) 2. No bigger than a single carburetor 4150 series, no dominator’s or predator’s, no after market fuel injections or turbos. No nitrous, alcohol or pressurized fuel. 3. The motor cubic inch limit in 516 max. No aluminum or billet heads, only cast iron heads are allowed. No sheet metal intakes. Over-the-counter intakes are allowed. Radiator must be in stock location. Spark plug covers are required and must be made of minimum 1/8” aluminum unless you have steel inner fender wells. 4. A maximum of 134 inch wheel base, from center to center of the axles. Must have working axle brakes on front or rear. NO drive train brakes. Trucks must have a bed factory appearing with inner fenders and floor. No flat beds permitted. Only one seat is required. No tail gate is required. 5. There is no tire size limit. No cutting of tires are allowed. Tires must be “DOT” approved. Open headers must exit down under the truck or upright headers are acceptable. 6. Solid suspension can be welded or bolted. Narrowing of the rear ends are allowed. 7. Pulling hitch pivot point will not be more forward than the center of the rear axle and not above top of the frame rail and must be a minimum of 46 inches from the center of the rear axle to the hook point. The hitch height must be 26 inches and must not have side to side movement or up and down movement. The hitch must have 3-1/2 inch or larger hole for the hook to drop-in. 8. Only the bracket and weights are to be on the front of truck. Weight bracket must be well secured to frame, and the weights secured to the bracket. Weights and bracket must not exceed 60 inches from center of the front axle and be not wider than 50 inches off of the center of the truck weights only, nothing else in front of bumper. The truck will be disqualified if the weights hit the ground. 9. Mandatory safety equipment needed: seat belts / kill switch / fire extinguisher / drive shaft loops / yoke cover / helmet and fire jacket with long pants, if wearing shorts you must wear fire proof pants over them. Metal sled bump stops must be 8 inches from hook point. The bellhousing must have a plate on the bottom to cover the inspection hole. All trucks must pass safety inspection before each pull. 10. Contestant will have 2 attempts within 100 feet. All protests must be made before trucks are hook to sled. 11. Any and all rule changes must be submitted to DCTPA directors and read and voted on at a DCTPA monthly meeting before being implemented and enforced. 2013 DCTPA 2.6 DIESEL TRUCK RULES This Diesel class is designed for pickup trucks with a wide variety of performance upgrades. The truck must be 4 wheel drive. Weight : 8000 lb Maximum, with driver Regulations: Ballast: Ballast is permitted. Front hanging weights are permitted. Front ballast and ballast mounting point must be easily removable, but securely mounted. May not extend more than 60 inches from the centerline of the front axle, and be high enough to clear scale and other pit obstacles. If it hits the scale it must be removed to compete. Ballast may be added to the bed of truck. If used it must be securely fastened to the bed. Final decisions rest with the technical department. Batteries: The Batteries must be securely mounted and concealed. They may not be located in the driver compartment. or forward of the radiator core support.(2013) Body: The body must be the OEM truck body including the full bed floor. The body must retain full sheet metal. Metal aftermarket hoods are permitted. Fiberglass hoods and roll pans only are permitted. All Fiberglass hoods must be shielded on the underneath side with sheet metal or aluminum skin a minimum of .060 thick. The hood must be closed and securely latched while the truck is hooked to the sled. The complete OEM firewall and complete OEM floor pan is mandatory. A factory installed pickup bed or commercial style aftermarket bed must be installed. No flat beds. Must have complete factory bed floor. Brakes: Four wheel hydraulic functional brakes are mandatory. Chassis: The OEM chassis is mandatory. Front of engine block can be no farther forward than 17” of the centerline of the front axle. The vehicle must retain the OEM chassis. Wheel tubs, back half conversions, tube chassis, etc, are prohibited. Cooling System: Radiators must be in stock location and be of at least stock size Credentials: All drivers must have a valid state drivers license. Driveline: An OEM transmission and transfer case are mandatory. They must have been an option on a one ton or smaller pickup. Driver Restraint System: The OEM restraint system or SFI APPROVED 5 point harness (2013) is mandatory and must be worn. Driveshaft Loops: All trucks must have at least six (6) inch wide u-joint shields around all u-joints on rear drive shaft constructed of at least ¼ steel or 3/8 aluminum that will safely contain the ujoints and the ends of drive shafts. Any u-joint on the front axle that can be seen from front or side of truck must be shielded the same as all other u-joints. All shields must be 2013 DCTPA 2.6 DIESEL TRUCK RULES (PAGE 2) securely mounted to the vechicle. A new puller may be granted a one time wavier. Engine: (2013 change) The engine block must have been available as a factory option on a one ton or smaller pickup truck. Cubic Inch limit of 460 CI. Water pumps may be factory or electric powered. Electric cooling fans are permitted. No billet aluminum or billet steel heads. Head must circulate coolant. NO DECK PLATE ENGINES PERMITTED Exhaust: All vehicles must be equipped to direct exhaust upward. The exhaust must exit rearward of the driver’s compartment or through the hood. Stacks exiting through the fender well is prohibited. Two (2) 3/8 inch diameter bolts must be installed through exhaust pipe in a cross pattern within one (1) inch of each other and as close to the turbo as possible. This will be teched. Bolt heads welded to the pipe or sheet metal screws to mimic this will be grounds for disqualification. Fire Extinguisher System: A fire extinguisher system is permitted, it must be securely mounted All vehicles must have at least a 2 ½ lb extinguisher with working gauge mounted within drivers reach. Fuel: (2013) The fuel must be pump #1, #2 diesel or Soy/Biodiesel. Fuel must be commercially available. A fuel cell may be used in place of the factory fuel tank. Fuel is not permitted in the driver’s compartment. Fuel Injection Pump: The fuel injection pump is limited to cylinder number specific ( I.e. 6 cylinder pump on a 6 cylinder motor). Dual high pressure common rail fuel pumps or HPOPs are permitted. Ag governors are allowed. No Sigma or 12 cylinder pumps allowed. Harmonic Balancer: All engines turning more than 4500 RPM must be equipped with a harmonic balancer or dampener meeting SFI Spec 18.1. Hitch: 2013 Hook point must be no closer than 44” inches of centerline of rear axle, hitch height maximum of 26” inches, with a minimum of a 3.75”x 3.0” opening. Hitch point must be easily accessed. No “trick” type hitches permitted. Hitch must be stationary in all directions. Hitch must be frame mounted. Hitch must be mounted centerline of rear axle or behind. Hitch must not exceed a maximum of 25 degree angle from pivot point to hook point. Intercoolers: Factory style or aftermarket intercoolers are allowed. Water to air intercoolers allowed. Ice and water must be weighed at the time of crossing the scales. Interior: A complete interior, including dashboard, door panels, headliner, etc. is mandatory. Aftermarket seats are permitted, they must be fully upholstered. The use of hand -throttles are permitted (2013). Kill Switches: All trucks are required to have kill switch located on the back of the truck, located near the hooking point. On trucks with an electric injection fuel pumps it must have an electric 2013 DCTPA 2.6 DIESEL TRUCK RULES (Page 3) shut off or disconnect for the injection pump on the back of the truck For trucks with manual injection pumps they must have an air guillotine of the spring loaded type, no butterfly type to kill the air intake to the engine. It is recommended to have an air shut off on all trucks. Kill switch failure will result in disqualification. Nitrous Oxide/Propane: Nitrous Oxide is prohibited. No other oxygen extenders are allowed. Propane is prohibited. All system components must be removed from the truck. Rear End: Non OEM rear-end housings are prohibited. The rear end housings must have been for a one ton or smaller pickup pick up. Rear axle bolts must be covered with a cap or shield. Safety Equipment: All drivers must wear a helmet, and a SFI 3.2a approved fire jacket and long pants, not necessarily fire suit pants. More specifics posted in general rules. Steering: The vechicle must retain the full, original OEM steering gear. The vehicle must retain the original OEM power assistance, if it was so equipped. Additional stabilizers are permitted. Non OEM power assist methods are prohibited. Hydraulic steering permitted. Street Equipment: Complete headlight and taillights assemblies are mandatory and must be operative, except the right front headlight may be removed for air inlet to engine. Complete OEM windshield and all other windows are mandatory. Driver windows must be able to operate per factory specifications.They must open and close via electrical or mechanical means. Suspension - Front: The factory suspension configuration must be retained. Modifications to the front suspension that would alter the original location ( I.e. moving it forward or backward) is not permitted. Strut tower braces, lower tie bars, sway bars, and limit straps are permitted.Traction bars and devices are permitted. Air shocks are prohibited. Suspension - Rear: An OEM style suspension is mandatory. Traction bars and devices are permitted, they must be bolt on only, welds are permitted for attachment to the frame or axle housing. Traction bars if installed must have a chain or cable or some type of safety device mounted one (1) foot from the front support to catch the bar in case of failure. Control arms may be strengthened or replaced, providing all original mounting points are retained and used. Sway bars, lower tie bars, limit straps, and camber kits are permitted. The rear suspension may be solid with a removable block. Air bag spring assist and air shocks are prohibited. Tires: The tires must be DOT street tires. Cut tires are prohibited. Transfer Case: Non - OEM transfer cases are prohibited. It must have been an option on a one ton or smaller pick up truck.

2013 DCTPA 2.6 DIESEL TRUCK RULES (Page 4) Transmission - Automatic: Non - OEM transmissions are prohibited. The transmission must have been an option for a one ton or smaller truck. Aftermarket torque converters, valve bodies and internal components are permitted. Transmission brakes are prohibited. Any non -OEM floor mounted automatic shifter must be equipped with a spring-loaded positive reverse lockout device to prevent the shifter from accidentally being put into reverse. A functional neutral safety switch is mandatory. Vechicle must not start in gear. All transmission lines must be metallic or high pressure type hose. All automatic transmissions must be equipped with a transmission shield meeting SFI Spec 4.1 and must be labeled accordingly. A blanket type shield must be used and appropriately labeled as meeting SFI Spec 4.1 and it must extend from the rear of the engine block to the rear of the tail housing with a minimum of six (6) inch overlap where it is fastened. All vehicles using an automatic transmission must be equipped with a flex plate meeting SFI Spec 29.1. Transmission - Manual: Non - OEM transmissions are prohibited. The transmission must have been an option on a one ton or smaller truck. Aftermarket internal components are permitted. A clutch meeting minimum SFI Spec1.1 or 2.1 is mandatory on all engines. All manual transmissions must be clutch assisted. Sequential shifters are prohibited. All transmissions must have a flywheel shield labeled as meeting minimum SFI Spec 6.3 or greater. Applications for which an SFI Spec flywheel shield is not available may use a properly attached SFI 4.1 or 4.2 blanket that completely covers the bell housing . It must be attached to the rear of the engine block and extend rearward to the transmission with a minimum of six (6) inch overlap where it is fastened. All transmissions or clutch pedals will have a safety interlock switch so that vehicle will not start in gear. Turbocharger: The vehicle is limited to a 2.6 inducer bore single turbocharger. The compressor wheel must protrude into into a 2.6” bore for 1/8”. The inlet will be measured using a 2.605” inch plug; the plug must not be able to enter the inducer bore. A stock map width enhancement (MWE) groove is allowed. No MWE groove will be allowed that has a width greater than .200”. All provisions allowing air into the wheel other than via bore and the MWE groove are prohibited. The vehicle driver will be responsible for making compressor wheel accessible for tech personnel to measure bore and able to inspect compressor wheel. **PLEASE NOTE**

2012 legal turbos will be allowed in 2013 to pull with the COTPC. All changes MUST be made January 1, 2014 to be legal in the 2014 season!

Water Injection: Water injection is prohibited. All system components must be removed from truck. Wheelbase: The vehicle must retain the original factory wheel base and track width. Cab and chassis trucks may not exceed 172 inch center to center of axles. Front dual-wheel spacers may be used only with accompanying positive-offset dually style wheels. 2013 DCTPA 2.5 WORK STOCK DIESEL TRUCK RULES The Work Stock (WS) class is designed for daily-driven, on the road pickup trucks (full-bodied diesel pickup trucks). Valid DOT registration and license plates are mandatory. REGULATIONS: Weight 8000 lbs. Weight is with driver Chassis: The OEM chassis is mandatory. The engine must be in the OEM location for the body used. The vehicle must retain the full OEM chassis. Wheel tubs, back-half conversions, tube chassis, etc., are prohibited. Body: The body must be the OEM truck body, including the full bed. The body must retain full sheet metal. The complete OEM firewall and OEM floor pan is mandatory. Street Equipment: Complete headlight and taillight assemblies are mandatory and must be operative. Head lights must be in tacked, no pipes, filters, etc. extending to the outside of the truck. Factory intake or direct factory replacement required, may remove filter. Interior: A complete interior, including dashboard, door panels, headliner, etc., is mandatory. All factory controls (lights, signals, horn, windows, wipers, etc.) must be retained and be operative. The use of hand-throttle controls are prohibited. Batteries: The batteries must be securely mounted in the stock location. Brakes: Must be factory or greater and completely tacked. Cooling System: Radiators must be in the stock location and be of at least stock size. Intercooler: Factory Air to Air or after market replacement only no air to water coolers!!! No excess fluids on the track, including melting of ice. ***NO USE OF ICE!!!*** Exhaust must exit strait up or strait down. The exhaust must exit rearward of the driver’s compartment. Stacks exiting through the hood or fender well are prohibited. Bed stacks are permitted. Fuel Injection Pump: The fuel injection pump is limited to a stock-appearing, OEM engine modelspecific pump only. The use of multiple high pressure common-rail fuel pumps is prohibited. No Ag pumps!!! Fuel System: The OEM fuel tank is mandatory and must be used. Racing fuel cells are prohibited and must be removed from the vehicle. Hitch: Must pull off a Reese type hitch, mounted solid to the frame with no movement. Must have a 5/8” grade 8 bolt w/nut to replace tubing pin. Reinforcements must not extend forward of the centerline of the rear axle. Trick hitches are prohibited. Must use solid hitch in p lace of tube. The hooking point must be the rear-most point on the vehicle and must be rearward of the stock location of the tailgate. The hitch must be horizontal to the ground and stationary in all directions. Bumpers may be notched or roll pans may be used in place of a bumper. The hitch’s height from the ground may not exceed 26 inches. The hooking point must have a minimum 3.750-inch inside the diameter opening for the sled hook. Drive Line: An OEM transmission and transfer case are mandatory. They must have been an option on a one-ton or smaller pickup.

2013 DCTPA 2.5 WORK STOCK DIESEL TRUCK RULES -(PAGE 2) Rear End: Non-OEM rear –end housings are prohibited. It must have been an option on a one-ton or smaller pick up. Suspension: An OEM-style suspension is mandatory. Lowering or raising the vehicle height with suspension modifications is permitted. Traction bars and device are permitted; they must be bolt-on only; welds are permitted for attachment to frame or axle housing. All OEM suspension mounting points must be retained and used. Sway bars, limit straps, and camber kits are permitted. It is acceptable for the rear suspension to have no travel, but it may not be cradled or welded solid in any way. All suspension must use at least one working shock absorber per wheel. Tires: The tires must be DOT street tires. Cut tires are prohibited. Dual rear wheels may only be used on a factory equipped dually chassis and bed. The vehicle must retain the original factory wheelbase and track width. Hanging front weights are permitted. If used, ballast must be securely fastened. Weight or weight bracket must not extend more than 60 inches from the center line of the Axel. NITROUS OXIDE is prohibited!!! No nitrous, propane, water, or methanol injection, #1, #2 or biodiesel only!!! All system components MUST be removed from the truck. U-joint shields are required on the rear drive shaft. At both the rear differential and transfer case and at any carrier bearings. (Shields must be ¼” steel or 3/8” aluminum thick and 6” wide). There must be at least one loop on the rear drive shaft. Kill switch required!!! Electric fuel or air shut off expiable or both. Turbo: Will measure 2.5 inches and will be teched with a 2.55 plug. Compressor wheel must be a true 2.5 wheel no stepping or clipping permitted. Highly recommended safety equipment: Transmission blanket, Grade 5 Cross bolts in exhaust pipe. Judge’s decision is final!!! Must be a member of DCTPA to run for points 2013 DCTPA HOT ROD RULES – SMALL BLOCK 1. Weight Weight 5800 Lb 2. Tire Size 18.4x38 Maximum 3. Driver Age Must be 16 years of age to pull. All drivers under 18 years old must have writtem permission from parent or guardian 4. Age of Tractor 1972 and older, no home-made tractors 5. Fuel Gasoline fuels only with a maximum of 750 specific gravity, no E85, no alcohol, no pressurized fuels, no nitrous oxide, no oxygen accelerate, no nitrogen methanol, and no propylene oxide. Racecar gasoline may be used 6. Draw Bar Drawbars must not exceed 18 inches in height for small block tractors (17 inches in height for the single grandfathered big block) . Must not be less than 18 inches from center of axle to hooking point. No part of drawbar may extend rearward beyond point of hook. Drawbars must be stationary in all directions. No clevis. No turnbuckles. 7. Engine, Manifold, Carburetor, Ignition Engine must be 410 cubic inches or smaller, for small blocks, 6 cubic inches may be added to engines that require a fresh rebore, no engine may be larger than 416+0 cubic inches. Must be industry standard small block. Must be a cast block, cast heads, and maximum eight cylinders. Two valve one spark plug per cylinder. Camshaft in block. The (Pump) is a tech tool only; engines under protest may be subject t o a tear down. All pullers have the tear down option. All engines over 410 cubic inches must be documented with a tech inspector and maybe subject to a tear down by the DCTPA tech inspector and or DCTPA officials as they deem necessary. The (engine rule) will be in effect through the pulling year 2014. The center of axle to rear of block is to a max. of 72 inches. Any manifold, up to one four barrel naturally aspirated carburetor, stock, out of box 750 CFM. No flowed carburetors, no predators, no dominators. No fuel injection, no throttle based injection. No sheet metal intake manifolds allowed. Headers or open exhaust are allowed. Headers must exit in an upward direction. ALL IGNITIONS MUST USE MSD SYSTEM WITH 8000 MAX RPM LIMITER CHIP Double carburetor spring recommended 8. Hood, Grill, Frame, Transmission, Rear end, Axle All sheet metal to include hood, grill, side metal, and screens must be for that make and model and must maintain stock appearance. Sheet metal upgrades are allowed but must not cross manufacturers lines. Some sheet metal modifications are allowed. All upgrades and modifications must come to the committee for approval. Front ends may be homemade. Factory wheel base or 100 inches from the center of rear axle to the center of the front axle. 9. Total Length of Tractor Maximum length 11’ from center of rear axle to the furthest point forward, including weights. 2013 DCTPA HOT ROD RULES – SMALL BLOCK (PAGE 2) 10. Safety Equipment Helmet and fire suite, Wheelie bars, kill switches, fire extinguishers, fenders, blow proof damper pulley and shroud. SFI flywheels and pressure plates scatter blanket or SFI bell housing, engine side shields. Drive shaft from bell housing to transmission must be shielded. Roll cages must be capable of supporting tractor and driver, no steel fans. All tractors must have wide front axles with minimum of 32 inches between inside of tires. All electric fuel pumps must be wired to kill switch. All factory cast iron tub frames must be reinforced or replaced with steel where it bolts to the transmission. All tractors must have skid plates or so called skies mounted in line with each frame rail and must be securely mounted and based to the chassis. Skid plate surface to be min. of 4 inches wide and 12 inches long with a min. of 6 inch curve when measured from the front most part of rolled edge. Max. ground clearance is bottom of wheel rim not to exceed 4 inches with front tires on normal operation position. 11. Grandfathered Clause Only 1 big block is grandfathered in through 2012. And drawbar height of 17 inches. 2012 DCTPA 2013-2015 #9000 ALT. FARM STOCK RULES 1. 9000 lbs 2. Diesel Fuel Only, No Gas, No Nitrous, Alcohol or Propane 3. Must have kill switch 4. One turbo 5. A pump limit 6. 18.4 x 38 uncut tire (Bias or Radial) 7. Water injection is allowed in cross over pipe and in intake maniford only 8. Engine must be for make and model, not allowed to cross manufacturer’s lines 9. Intake and exhaust manifolds must be for AG application 10. Two valve cylinder head only, OEM or stock replacement 11. No big block tractors allowed (JD5010/5020/6030) 12. No ice water intercoolers allowed, intercooler with block water is allowed 13. No steel fan blades allowed 14. No center link or turnbuckles above center line of rear axle 15. 3250 RPM limit. Tractor must have an ISSPRO single magnetic pickup or equivalent attached to the front of the engine to measure RPM’s. The lead from the pickup to the rear of the tractor is to be made of 14 or 16 gauge wire with molded female 110V plug. The 2 wires from the pickup needs to be attached to the 2 main spades, not the ground spade of outlet. This outlet needs to be mounted next to the air shutoff/kill cable at rear of tractor. Wire must be cord form with no splices and be easily inspected from front to rear. This must be in place and in working order before pull. Any tractor found to be over allowed 3250 RPM limit will be disqualified. 16. Must have wheelie bar separate from drawbar and able to support weight of tractor. (Any questions we will get a jack and check) 17. Must have all sheet metal and side shields on motor. 18. Must have rear fenders 19. Must have wide front end 20. Must have ladder bars or full frame to rear axle housing, per NTPA AG Chassis Specs. 21. Must have (2) 3/8” bolts through exhaust pipe (must make cross in pipe) 22. Must have SFI clutch blanket 23. Must have dead man throttle 24. Must have steel fly wheel 25. Must have 3 bar roll cage 26. Must have 5-pt harness and fire suit and helmet all fastened 27. All tractors must have skid plates or so called skies mounted in line with each frame rail and extend from the center of front axle forward (on both sides) Equal in strength to frame rail material. Skid must be securely mounted and braced to the chassis. Skid plate surface to be minimum of 4 inches wide and 12 inches long with minimum of 6 inches curve when measured from the front of most part of rolled edge. Max Ground cleaance is bottom of wheel rim not to exceed 4 inches with front tires in normal position. 28. 20” hitch height max 29. All decisions by DCTPA judges are final 30. We strongly recommend weld on wheel hubs

2013 DIV 2 RULES – CLASSES - 4500, 5500, 6500, 7500, 8500 AGE OF DRIVER Drivers must be 14 years of age or older. Those under 18 years of age must have written parental/guardian permission. AGE OF TRACTOR 1959 and older DRAW BARS Draw bars must not exceed 18 inches in height or less than 18 inches from center of axle to hooking point. No part of draw bar may extend rearward beyond point of hook. Draw bars must be stationary in all directions. No clevis. WEIGHTS Weights must not extend rearward beyond rear tires and cannot be more than 11 feet from the center of the rear axle to the furthest point forward. No more than 12” from side of rear tire. TIRES No radial tires, steel wheels, duels. Two-wheel drive only. Topcut tires will be allowed. Manufactured data must be intact. Tire size will be 15.5x38 or 14.9x38. Maximum footprint per Firestone tire chard D170, 200 sq. in Any rim width. 18.4x38 in the 7500# no aluminum rims. FUEL Gas, diesel or LP fuels only. No alcohol or nitrous oxide fuels may be used in tractors. Gas is allowed a maximum of 750 specific gravity. All tractors are subject to random fuel checks. Tractors manufactured to use diesel fuel only cannot be converted to gas or LP. RPM’S Rpm’s allowed will be determined by the Nebraska test chart. Any tractor not listed will use manufacturer’s data. A 10% margin of error will be permitted. All tractors to have positive throttle stops. SPEED LIMIT Any gear, speed limit, 3 mph, to be checked by radar. No shifting of TA’s. No beep after the cone track-side. (Approx. 75 ft.) CARBURETORS Replacement carburetors with no modification of carburetor or manifold. Overhang of carburetor to manifold is not allowed. Only stock appearing manifolds are allowed. Tractors must be naturally aspirated. No turbo or blowers, except Olive 99GM, etc. Enhanced electrical systems permitted in all classes. No rev limiters.’ ENGINE, FRAMES, TRANSMISSION, REAR END, AXLE Tractors must have the stock engine, frames, transmission, rear end and axle housings or manufacturer’s replacement. Stock heads and their replacements are to remain unchanged in outside appearance. No (7) main blocks in Oliver’s; no (12) port heads; no (99) heads. AC/WC/WD/WD45 can use D-17 engine; I H, 350; M, 450, JA A/BIG can use power blocks. No M-M (800) heads or blocks. Dual exhaust no allowed except after stock manifold. 2013 DIV 2 RULES – CLASSES - 4500, 5500, 6500, 7500, 8500 –-(PAGE 2) OTHER RESTRICTIONS Oliver 88, Farmall M, Massey 44, MM-U, JD-G, Case-CJD, JD-A 1940 and up and like size tractors are not allowed in classes below 4500#. Massey 33, Oliver 77, JD-A 1939 and down and like size tractors are not allowed in classes below 4000#. SAFETY EQUIPMENT Wheelie bars, kill switches, all electric fuel pumps must be wired to the kill switch. 2013 DCTPA POINTS RUN RULES " Only DCTPA members are eligible for the Points Run. " Points do not start until membership dues are paid. If dues paid mid season, points are not given for previous hooks. " Each pulling vehicle must have an individual points number. That number is to be placed on the pulling vehicle. " Pulling Registration forms are to be filled out completely & correctly, missing information will not be filled in using information from previous hooks. " If the points number is left off of the entry form, the puller forfeits their points for that hook. " If the wrong points number is written on the entry form, the puller forfeits their points for that hook. " If pulling vehicle is disqualified while pulling the sled, the tractor would get 5 hook points." Points are set up with 1st place getting 20 points down to 10th place getting 11 points, hooks below 10th place will receive only 5 hook points. " The point's champion results will not be posted at the end of each pull. However, the points from the last pull will be posted as the most up to date championship points. " Ties will be decided by adding the distances pulled for that season, the puller with the farthest distance will take first. In this event the first, second runner-up and second place finishers will all be awarded at that season's banquet. " Any and all disagreements, queries, etc will be decided upon and enforced by the DCTPA officers & directors, their decision will be final.