2026 WEST COAST DIRT OVAL NAT'S

RACERS PLEASE GO TO rainmanshobby.com AND GET SIGNED UP.Signup's are now OPEN at Rainmanshobby.com.Please use drop down box for the number of classes. Then type all classes you are going to run in the next box down and don't forget to select your T-shirt size.If you are signing up other racers Please sign up each racer separately and please use the comment box for drivers name.If you want to purchase additional event T-Shirts please scroll to the next box below to add the shirt to your order.FYI: Chad Lantz is the go to guy for many questions. Please do not call the shop with question about classes or rules.we only have one counter person and she gets overwhelmed a lotWe have 14 classes to choose from and not planning on adding any more.Last year we topped 380 entries and may exceed that this year.Rain-Man's Hobby and Raceway4615 Grissom St. Bakersfield, CA 933132026 Dirt Oval General information and class rules:Race schedule: Thursday Aug 20th. Doors open at 10am to 7pm. $20 Practice Fee.Friday Aug 21st.Doors open at 8am with practice from 8am to 3pm.Parade of Cars 3pm. Approx.National Anthem 3:15. ApproxTrack Prep 3:30. Approx.Drivers Meeting 3:30. Approx.First Qualifier starting at 4pm.Saturday Aug 22nd.Doors Open at 6am.Practice 6am- 8am.Qualifying starts at 8:30amSunday Aug 23rd.Doors Open at 6am.Practice 6am- 8am.1-Hour practice Before start of A Mains.We will do a resort Saturday Morning before the start of qualifying and if you are not checked in at that time we will resort racers into other heats in order to eliminate the chance of a racer running in a heat with only a few cars.Rain-man's Hobby and Raceway is an indoor high bite clay track with a run line for oval usually about 173 to 175 feet. 2 or 3 wire MyLaps transponders are required to work with our system. Super clean Restrooms with showers. RV Camping is allowed without hookups. Live RC will have all info including rounds qualifying and mains. There will be specialty awards, including a sportsmanship award, earned by the best mannered, most helpful, and respectable racer. Long-haul award bestowed to the racer traveling the furthest distance. Iron Man award this will be given to the racer signed up in the most classes with a tiebreaker of finishing performance. TQ,1st, 2nd, and 3rd for all classes. Sportsmanship Award Earned by the Best Mannered/Most helpful RacerLong Hall Award Bestowed to the Racer traveling the farthest distance Iron Man Award this will be deserved by the Racer that signed up in the most classes(Tie Breaker – Finishing Performance) Awards for top 3 finishers and TQ. West Coast Dirt Oval National Classes:Modified WedgeModified Foam Tire SprintModified Rubber Tire SprintModified Rubber Tire Late Model. 13.5 EDM Foam. 13.5 EDM Rubber Tire17.5 Foam Tire Sprint. 13.5 Rubber Tire Sprint13.5 TruckSuperstock. 17.5 spec rubber tires sprint. Bandit Hobby stock. Traxxas Modified (BOXSTOCK)MidgetRace entry fees:1st Class $60. 2nd Class $40. 3rd Class $30. Unlimited classes are $150. During Qualifying & Racing; Go to the Tech table first, get in line at base of Stairs, set car down at the top of turn 4. Exit down Ramp & pick up car at the top of turns 1 & 2. You are reonsible for turn marshaling after your race, if you are unable, please find a replacement. Class Rules:Expert’ Classes: Intended for Top Level Racers 1. MODIFIED WEDGE: (this is our Spectacle class) Any 2wd 10th scale carAny 5.40 Modified motorAny Hard Case 2cell Lipo BatteryOpen Speed Control/Open TimingOpen Tire (no “Pin-Spikes”)Any Wedge or Late Model Body, No limit on sideboards/wingsRecommended Tire = BSR Orange or Green OR CW R2 or X2Recommended Roll-out = >.99 (depending on motor turn) No Weight Rule ______________________________________________________________________________ 2. MODIFIED FT SPRINT: (Fastest Sprint Class)DODC National RulesAny ROAR approved motor**Any Hard Case 2cell Lipo BatteryAny ROAR approved ESC/Open TimingOpen Foam Tires Recommended Tire = BSR Orange or Green OR CW R2 or X2Recommended Roll-out = >.99 (depending on motor turn) Minimum Weight 55oz ________________________________________________________________________________ 3. MODIFIED RUBBER TIRE SPRINT: (Prominent class on the West Coast)DODC National RulesMust have multi-gear transmission Any ROAR Approved motorAny Hard Case 2cell Lipo Battery*Any ROAR approved ESC/Open TimingOpen 2.2” Wheels Only--- Open 2.2” Tires Only (no “Pin-Spikes”)Recommended Tire = Ground down, J Concepts Ellipse-Blue, Smoothies-Silver, or Pro-Line Shadows-Clay, Raw Speed Slicks- Gumball, TZO Recommended Roll-out = >.99 (depending on motor turn)Minimum Weight 57 oz __________________________________________________________________________________________ 4. MODIFIED RUBBER TIRE LATE MODEL: DODC National RulesMust have multi-gear transmission Any ROAR approved motorAny Hard Case 2cell Lipo BatteryAny ROAR approved ESC/Open TimingAny DODC Approved Body.Open 2.2” Wheels Only: Open 2.2” Tires Only (no “Pin-Spikes”)Recommended Tire = Ground down, J Concepts Ellipse-Silver or Pro-Line Shadows-Clay, Raw Speed Slicks- Gumball, TZORecommended Roll-out = >.99 (depending on motor turn)Minimum Weight 57 oz. _______________________________________________________________________________________ 5. 17.5 SPRINT: (Historically, the most attended class at the WCDON)DODC National Rules17.5 Trinity Equalizer Spec Motor only**Any Hard Case 2cell Lipo Battery*Any ROAR approved ESC must be in ‘blinky’/non timing modeOpen Foam Tires Recommended Tire = BSR Orange or Green OR CW R2 or X2Recommended Roll-out = ~ 2.0 Minimum Weight 55 oz____________________________ 6. 13.5 EDM FT : EDM’s must resemble contemporary full-scale cars racing in “World of Outlaws” and “DIRT” sanctioned events. Wheelbase: 9.5” min, 11.5" maxMinimum weight = 53 oz. Maximum width: 10.0” Must be 2-wheel drive (rear wheel driven only) Maximum length of complete car: 19.5" Motor: Any 13.5 ROAR Spec Stock approved motor may be used. All motors are subject to disassembly at any given time during an event at the race director's discretion. All stators must have 13.5 winds. Wire and turns are subject to be un-wound and examined for correct wire and turns at any time during the event. Battery: Any 2 cell hard cased lipo battery may be used. No additional batteries are allowed, including those used to power receivers or cooling fans. All batteries will be checked prior to each race to ensure battery voltage is a maximum of 8.44 volts or less. If the battery reads 8.45 or more, you do not race.No Gyro’s or driving assistance devices will be allowed. ESC: Any Roar approved, Open timing. Tires: Foam Tires ONLY. Max wheel diameter: 2.0” Front tire and wheel width: Max 1.1” Rear tire and wheel width: Max 1.5,” Min 1.4" Bodies: All fabricated body panels, I.E. Doors, Windows, Roof, and Inner Panel must be made from minimum .020" thick Lexan/polycarbonate material (.020" measurement does not include any decal or wrap) All Vacuum formed body panels must be pulled from minimum .030" thick Lexan/polycarbonate material. Separate hoods and front body panels may be pulled from .020" Lexan/polycarbonate material No additional wings, flaps, spoilers, wickers, or vents will be allowed. The front bumper must be mounted flat and cannot be angled to act as a wing. An additional front body panel is allowed on the front of the car but may not extend forward of the front bumper. Max Side lip on front panel and Hood 1/4“ Maximum front bumper width: 5.0“ Front body panel max width: 4.0“ Front body panel max chord length: 3.0" Inner panel must have scale appearing “hood” that extends from the door leading edge to the leading edge of the roof. Said “hood” must be centered on inner panel “Hood” Width: Minimum 2.5" Minimum “hood” height for entire length is: .750“ Clearance between top of hood and leading edge of roof is min. 1.0" and max 2.0" Dimensional specifications: See drawing Side panels must be no larger than one of the following three templates: Bicknell Template, Teo Template, Troyer Template See drawings below. Left Side Panel must be inside a straight line drawn from the outside of both left side wheels/tires and outside of left side of chassis. Front and rear windows must be removed, and any clear portion is included in max roof length dimension. Side windows must remain clear Both sides of body must be at 90 Degrees to the rear of body and or spoiler Door/side panel may have a 90 degree "BEND IN" max 3/8" at bottom for strength No rear wheel cutouts are allowed on the horizontal plane of the inner. The right and left rear wheel wells must be cut out to appropriate scale dimensions. Bodies must have at least 1/3 of the right rear tire exposed when viewed from front, top and rear of car. Must have 2 side panel braces as specified in drawing that must hold side panels at 90 degrees to inner panel both statically and during racing conditions. Inner panel and spoiler cannot extend beyond rear of side panel The outer front edge of inner panel cannot extend beyond the front of the door but may taper from that point forward of the door toward the hood at a point no more than 1.5" forward of the door. Roof specifications: Minimum Length and Width 5.25” / Maximum Length and Width 6.25” See drawing Must have rear roof spoiler Min 1/8" Max 1/4" bent DOWN between 45 and 90 degrees Rear spoiler: max chord is 3.0" from body deck including any wicker bills __________________________________________________________________________________________ 7. 13.5 RUBBER TIRE SPRINT: DODC National RulesMust have multi-gear transmission Any 13.5 ROAR Spec Stock Approved motorAny Hard Case 2cell Lipo Battery*Any ROAR approved ESC must be in ‘blinky’/non timing modeOpen 2.2” Wheels Only--- Open 2.2” Tires Only (no “Pin-Spikes”)Recommended Tire = Ground down, J Concepts Ellipse-Blue, Smoothies-Silver, or Pro-Line Shadows-Clay, Raw Speed Slicks-GumballRecommended Roll-out = 1.27Minimum Weight 57oz. __________________________________________________________________________________________ 8. 13.5 TRUCK: (Intended for old school Dirt Oval & Modern Off-Road Trucks)Any ROAR Spec approved 13.5 motorAny ROAR approved ESC must be in ‘blinky’/non timing modeAny Hard Case 2cell Lipo Battery must remain in stock centered locationRear or Mid MotorMust have a multi-gear transmissionMust use commercially available truck suspension arms After market chassis’ ok After market towers, okShort or long shocks okInternal limiters, pistons, springs, and oil changes allowedRear Toe no less than 2° and must be the same on both sidesSide Dam - Length; from rear of cab to rear spoiler Height; to top of cab. Buggy Rear Wheels AllowedRubber or Foam Tires ok (no ‘Pin-Spikes’)Minimum weight 56oz_______________________________________________________________________________________________ 9. Dirt Midget Rules: All height measurements are from bottom of chassis unless otherwise noted.General - Maximum Overall Length: 16.750". Maximum Chassis width: 4.2" Maximum of 4 shocks can be used. Solid axles are allowed. If solid axles are used the rear axle must be square with centerline of the chassis and parallel to the front axle. Wheelbase- Min 9.” Max 10.0”Width- Min 8.5” Max 10.0” Rear Toe- Only nonadjustable rear arms can be used. Trackside toe adjustable rear hubs and or arms are not allowed. Trackside adjustable wheelbases are not allowed (can’t have toe blocks or anything else attached to an easily adjustable mechanism to allow for wheelbase change trackside). Left rear can be toed in via toe block. Right rear can be toed in but can NOT be toed out. Offset- Right side of the cage can be no further offset from the outside of the RR tire than 3.625”.Ballast Weight- Brass, tungsten or steel hubs, arms, arm inserts, caster blocks, steering arms are not allowed. Ballast weight can be attached to the main chassis area is allowed as long as it’s secured properly. Transmission– 3 gear transmissions only. No DD, 2, 4 or 5 gear transmissions will be allowed. All gears must be full gears. No narrow or lightened gears allowed. Plastic, Aluminum and Steel gears are permitted. Steel outdrives only. Blades are permitted. No gear diffs are allowed. No rear motor cars are allowed unless you can do it in a manner that the tail tank is appropriately sized and located. Solid Axle Option- If a solid rear axle design is used in it, the motor must be mounted to the chassis cva/cvd must be used to drive the rear axle. No belts or chains will be allowed. A spur gear and pinion must be used in conjunction with the motor plate mounted to the chassis. CVA/CVD- Dog bones must be equal length. Axles and bones must be made from steel. No aluminum, titanium or magnesium axles or bones allowed. Speed Controller- Hobbywing Justock Speed controller # 30112003 Motor- Hobbywing 13.5T Justock #30408010 Dirt Midget Rules: Battery- 2S hard case lipo Tires– Tire choice is track/event choice. This class must be on a spec tire and only 1 spec tire is allowed at an event or track. Promotor can choose the tire that works best for their event but must make a choice on only one tire option for this class. If there are multiple compounds of the same style of tire then they can be used. No cutting, grooving or modifying the size and shape of tire is allowed 2.2 RawSpeed slicks in any compound ______________________________________________________________________________ 10. SUPER STOCK SLASH: (Traxxas based’ Class from Hot Rod Hobbies)Electronics: Only Traxxas XL-5 ESC part #3018R Paired with Traxxas Titan 12T 550 brushed motor part #3785***(no motor tampering allowed. THIS WILL RESULT immediate disqualification).Traxxas stock 2075 steering servo (no metal gears allowed in servo).May change receiver to accommodate ‘Non-Traxxas’ Radio.86-90t oem spur gears must be used. Pinion gear may only be 16t to 23t.Battery Any (Long) Hard Case 2cell battery* maximum of 5500mah (no shorty packs)Battery must remain in stock centered location. Moving Battery fore & Aft- OK.Any full body stock car made for Traxxas slash or SCT Only. (ex: Shark RC /McAllister Rc or Jconcepts).Spoiler Only: No more than 1 1/2" from deck lid. No side dams or Spoiler support. ‘No Decking,’ Windows must remain intact.“BOX STOCK” Traxxas 2wd Slash chassis or LCG chassis Only.The only RPM durability upgrades allowed are Front caster blocks part #80712, front bearing carriers part #80372 and rear bearing carriers/hubs part #80382.Items you may adjust: Camber, front toe, ride height, shock oil, pistons, shock limiting, shock preload.Must Retain Factory shock locations and battery location front to rear.Arms must remain in stock and in stock position.NO ADJUSTABLE REAR ARMS.NO ALUMINUM PARTS other than shock caps.Suspension:Traxxas aluminum shock caps are allowed.Stock Traxxas 2wd Slash shocks must be used (grey or black versions both allowed).Front bodies and shafts stay in front - and rear bodies and shafts stay in rear.Only original Traxxas 2wd Slash springs may be used. Front spring #5857, rear spring #5858.Transmission case must remain stock. NO plastic internal gear. NO RPM TRANSMISSION CASESTransmission functionality rule, motor cannot spin while turning slowly one rear wheel a full turn.Tire Grinding IS allowed; Grooving is not allowed.Tire sauce is OK.No taping of tires. Open Tire Rule (Tire Rule for Rain-Mans Hobby Only)No minimum weight rule, however additional weight CANNOT be added.______________________________________________________________________________Apprentice’ Classes: Intended for up-and-coming Racers, with regulated equipment 11. 17.5 SPEC RUBBER TIRE SPRINT: (Perfect way to get your start in Sprint Car)17.5 Trinity Equalizer Spec Motor onlyAny Hard Case shorty or long 2cell battery maximum of 5500mah. Any ROAR approved ESC must be in ‘blinky’/non timing modeDODC National Rules6x6 main wingRear toe openFront wing optional with a maximum of 4 square inches.2” Wheels onlyCustom Works 2” Sticker, Street Track or Slick Only, any compound.Recommended Tire = Custom Works Sticker HBRecommended Roll-out = ~ 1.9Minimum weight 55 oz ________________________________________________________________________________ 12. BANDIT HOBBY STOCK: (Least Expensive class)Box stock Traxxas Bandit ready to run #24054-4.Must be completely box stock, incl. esc, 12t titan motor, servo, springs, shocks, shock length etc.Any (Long) Hard Case 2cell battery* maximum of 5500mah (no shorty packs).Battery must remain in stock centered locationMotor must maintain stock bullet connectors.Stock gearing 21 pinion x 83 spur.Transmission must remain stock with steel gears only and stock slipper assembly.Adjustable camber links. (OK)Travel limiting okMay change radio and receiver.Open 2.2 buggy wheel and 2.2 buggy tiresMay add 5x8 or 5x11 ball bearings to front and rear hubs.May be upgraded to rpm front and rear hubs for durability and to allow for 5x11 bearings.Optional RPM wide front bumper/body mount and gear cover may be used.Street Stock / Bomber style bodies only.Must be manufactured for 1/10 scale buggies, No Sedan / Touring car, late models or truck bodies, No sideboards.1" spoiler maxSuggested bodies:Custom works, 9002, 9075.McAllister, 268, 264,306,290,134,136,159,181,182,292,303,313,125,318.Mr/Kustoms, 18ss1w, 17sspw, 18ss1s, 17ssps.Shark Bodies 1/10 street stocks.Other bodies may be run if they fit the spirit of the class.No Weight Rule _________________________________________________________________________________________13. Traxxas Modified: (box stock) NOT SPEC SLASH MODIFIED CLASSBody: • Any of the 5 pre-painted bodies or clear body may be used (TRA10411). Bodies must remain clipless with stock mounting. Driver figure and rear spoiler must remain stock. Bracing is allowed to support body and aftermarket front nose body hold down is allowed. Chassis: • ONLY “BOX STOCK” Traxxas Modified chassis will be allowed. • No aftermarket parts can be used. • Transmission case must remain stock. NO plastic internal gear. • 86 tooth stock spur gear must be used. 22-24 tooth pinion gears are allowed ONLY. Electronics: • ONLY “BOX STOCK” Traxxas Modified OEM electronics may be used. Traxxas BL-2S ESC part #3383, Traxxas BL-2S 3300KV brushless motor part #3384 (no motor tampering allowed, any motor modifications will result in immediate disqualification) and Traxxas stock 2075, 2075R or 2075X steering servo. • Any ROAR legal 2S hard case battery that is 5500mah maximum capacity, any C rating and costs $60 or less. Battery must remain is stock centered location. • Any radio/receiver may be used.Traxxas Modified: (Continued)Adjustments: • Items you may adjust: Camber, front toe, ride height, shock oil, pistons, shock limiting, shock preload, factory shock locations and battery location front to rear. • There is no weight rule. Suspension: • Stock Traxxas Modified shocks must be used (Any of the 5 colors allowed). Front bodies and shafts stay in front and rear bodies and shafts stay in rear. • Only original Traxxas Modified springs may be used. Front spring part #5434 and rear spring part #5434. Tires & Wheels: • Traxxas Modified box stock tires (Part #10470 & 10471 unmounted and 10473 mounted) may be used. No softening, tire doping, grinding or grooving of any kind allowed. • Aftermarket closed cell foam inserts are allowed. • Tires may be cleaned with water or Simple Green ONLY! Common Sense: • If these rules do not specifically say you CAN do it, you CANNOT!!! Period!!! ________________________________________________________________________________ 14. Losi 22S Sprint Spec Body – stock cage (any color) and panels (any color). Panels can be painted or decals. Must run all nerf bars, driver figure and interior, nothing can be removed Tires/wheels – Losi Hoosiers Soft (LOS-2442, LOS-2430) or Hard compound (LOS2418, LOS-2425) Wings – Stock wings (any color). Panels can be painted or decalESC – Stock (SPMX-1106) Motor – Stock (SPMXSM4800) – fan can be used on the waterfall Servo – Stock (SPMS684) Spur Gear – Stock (LOS232038) Pinion Gear – Stock (TLR332020)RX & Radio - OpenBattery - OpenShock oil – open Diff oil – openSprings – Losi Springs onlyNo added weight No TLR tuned optional parts are allowed________________________________________________________________________________Minimum Weights:Expert Classes:Modified Wedge = No Weight Rule Modified Sprint (Foam Tire) = 55ozModified Rubber Tire Sprint = 57ozModified Rubber Tire Late Model = 57oz17.5 Sprint (Foam Tire) = 55ozMidget No Weight RuleJourneyman’s Classes:13.5 Truck = 56oz13.5 Rubber Tire Sprint = 57oz.13.5 EDM = 53 oz Mudboss = No Weight Rule Super Stock Slash = No minimum weight rule, however weight CANNOT be added.Apprentice’ Classes:17.5 Spec Rubber Tire Sprint = 55ozSpec Slash Modified = No Weight Rule Bandit Hobby Stock = No Weight RuleMidget= No Weight RuleLosi Sprint= No Weight RuleDODC Rules: https://www.dirtoval.com/ GENERAL CHASSIS RULES: • For turn marshal safety all cars must have a front bumper that is made of a shock absorbing material e.g., Nylon, Delrin, Kydex etc. Front bumpers must be mounted in such a way that they will contact an object prior to any other portion of the car in front impact. • All cars must have 4-wheel independent suspension. • Single speed transmissions only. • No gyros or traction control of any kind are allowed including those built into receivers like the Spektrum AVC, etc... • All power, radio equipment and weights must be in a secure and fixed position and not movable during a race.BATTERY TYPE & VOLTAGE: This year we are allowing 7.4V or 7.6V Lipos in all classes. Voltage will be checked, 8.44 is the MAX. If you go through tech and the battery reads 8.45 or more, you will run the battery down in the car that you are racing to 8.42. The car will not leave the tech area if it does not race that heat or main. Battery Must be a Hard Case 2cell, for all classes.No additional batteries are allowed, including those used to power receivers or cooling fans. MOTORS: All motors must be ROAR approved and available to the public for purchase. We can tech motors for consistency (stator stack height and resistance for proper wind) if one motor shows a significant difference it will be DQ’ed by the race director’s discretion. Equalizer motor Must be sealed. Hobby Wing & Traxxas Motors - Cannot Change timing, Stator, Rotor or enhance Magnets.SPEED CONTROLS: • Modified Classes - Open Speed Control/Open Timing• Blinky Mode Classes - ROAR Approved Non-Timing ESCs for blinky mode. • Spec Speed Control – as specified per class.Tire Saucing:Tires must be dry before coming to techNo saucing tires while lined up to racePOST RACE TECH:Post tech for top 1 finisherClasses & Rules subject to ChangeFor more Information, go to --- Rain-Man’s Hobby and Raceway on FacebookExpert = Top Caliber Racer Journeyman= Experienced racer Apprentice = Up and coming racerNewcomer = True beginnerNote from Chad LantzJust to clear up any confusion on the motor rule for 13.5. It is 13.5 Roar spec stock motors.This isn’t fixed timing motors. This is being clarified so that it keeps the “13.5 Modified” motors that are also roar legal but not built to the “spec motor” rules out of contention.If anyone has further questions on this send me a PM please.