600cc Modified Rules
2026 600cc Modified Rules
TABLE OF CONTENTS (PAGE 1)
CAR REQUIREMENTS 2
TIRES 2
RIMS 3
HUBS 3
SPINDLES 3
STEERING/ POWER STEERING 3
FUEL CELL 3
WEIGHT 4
RADIATOR 4
GEAR 4
GEAR LIGHT 4
REAR BRAKES 4
FRONT BRAKES 5
BELLY PAN 5
GAUGES 5
BIRDCAGES 5
ENGINE 6
ENGINE PROTEST POLICIES 8
WHEEL BASE 8
BUMPERS & NERFS 9
MUFFLER 9
EXHAUST 9
BATTERY 9
RADIUS RODS 9
FRONT AXLE 10
WHEEL WIDTH 10
FUEL 10
FUEL PUMP 10
NUMBERS AND LETTERS 10
SHOCKS 11
SPRINGS 11
BODY 12
POINT SYSTEM 12
ROOKIES 12
FEATURE RACE 13
AIR BOX 13
TRANSPONDER 13
FRAME 14
CAR UPDATES 14
SPONSOR STICKERS 14
STARTS & RESTARTS 14
REGISTRATION 14
CAR INSPECTION 15
PIT & TRACK BEHAVIOR 15
PROTEST POLICIES 15
MISCELLANEOUS 16
ON TRACK MISCELLANEOUS 17
SERIES MISCELLANEOUS 18
OFFICIALS 18
DIAGRAMS…………………………………………………………………..
GEAR LIGHT & FRONT BRAKES 19
FRONT AXLE & WHEEL WIDTH 20
TRANSPONDER 21
2026 THUNDER MOUNTAIN SPEEDWAY/HUSTLING THE HIGHWAY SERIES
600 MODIFIED RULES AND REQUIREMENTS
CAR REQUIREMENTS (PAGE 2)
* ALL CARS MUST REMAIN STOCK. NO MODIFICATIONS OF ANY KIND UNLESS APPROVED
* INTERPRETATION OF RULES WILL BE AT THE DISCRETION OF TECHNICAL
INSPECTOR. ALL DECISIONS BY 600 MODIFIED OFFICIALS WILL BE FINAL. IF THE
RULES DO NOT STATE YOU CAN DO SOMETHING ASSUME THAT YOU CAN NOT
* OFFICIALS HAVE THE RIGHT TO CHECK ANYTHING ON ANY CAR AT ANY TIME
* OFFICIALS HAVE THE RIGHT TO AMEND ANY RULE AT ANY TIME FOR THE
BETTERMENT AND SAFETY OF THE SERIES
TIRES
* HOOSIER TIRES ONLY: MUST BE ON ALL FOUR CORNERS
* STOCK TIRE Right Rear 61x10x10 RD-15 or RD-20 Left Rear/Fronts 57×6.5×10 OR 60×7.0x10 R-15
*THE TREADS OF EACH TIRE:
RIGHT REAR: BLOCK STYLE 90 DEGREE “SQUARES” FACTORY CUTS
FRONTS AND LEFT REAR: CHAIN LINK PATTERN ONLY (NO MICRO TIRES)
* FRONTS HAVE TO MATCH EITHER BOTH LARGE OR BOTH SMALL(LEFT REAR DOES NOT)
* NO DOCTOR PAD * NO NEEDLING * NO SIPING
* NO REGROOVING OF ANY TIRE WITH THE EXCEPTION OF RIGHT REAR BLOCK TREAD TIRE. GROOVING OF ORIGINAL TREAD PATTERN WITH #2 BLADE IS ALLOWED
* GRINDING OF TIRES AT TRACK IS ALLOWED WITH 36 GRIT SANDPAPER ONLY
* LR OFFSET: OUTSIDE OF LR TIRE TO FRAME
BY LOWER INNER RUB RAIL
(18 INCHES MAXIMUM FOR OLD STYLE CARS
(17 INCHES MAXIMUM FOR NEW STYLE CARS)
(ALL OTHER CHASSIS MANUFACTURERS MUST FOLLOW 17” OFFSET RULE)
* DUROMETER READING
RR – (HOOISER 15 ) NO LOWER THAN 28
RR – ( HOOISER 20) NO LOWER THAN 40
FRONTS / LR – NO LOWER THAN 27
NO DOPING OF TIRES ALLOWED
RIMS (PAGE 3)
* FRONT AND LEFT REAR 71/2-INCH-WIDE MAXIMUM
* FRONT 3 INCH OFFSET ONLY
* RIGHT REAR 81/2-INCH-WIDE MAXIMUM
* NO DOUBLE BEAD LOCKS
* NO ALUMINUM OR TITANIUM BOLTS IN BEADLOCK RINGS OR HUBS
* ALL BOLTS MUST BE IN WHEELS *8* BOLTS AND NUTS
* NO PLASTIC OR CARBON FIBER WHEELS
* NO BLEEDERS OF ANY STYLE
* LR OFFSET: OUTSIDE OF LR TIRE TO FRAME BY LOWER INNER RUB RAIL
(18 INCHES MAXIMUM FOR OLD STYLE CARS)
(17 INCHES MAXIMUM FOR NEWER STYLE CARS)
HUBS
* ALUMINUM ONLY: NO CERAMIC BEARINGS
SPINDLES
* STEEL/ALUMINUM SNOUT, 4 BOLTS TO HOLD STEERING ARM ON SPINDLES OR NEW 2 BOLT SPINDLES & ARMS
STEERING/POWER STEERING
* POWER STEERING PERMITTED WITH NO MORE THAN 12 DEGREES OF CASTOR
* MUST BE RACK & PINION STEERING
* NO ALUMINUM STEERING SHAFTS
* NO ALUMINUM U- JOINTS
FUEL CELL
* MUST BE PLASTIC 3-5 GALLON
* VENT LINE MUST HAVE A ONE WAY CHECK VALVE AND LINE MUST POINT TO GROUND
WEIGHT (PAGE 4)
* MINIMUM WEIGHT WITH DRIVER IS 900 POUNDS AFTER EACH RACE IS OVER
* WEIGHTS MUST BE BOLTED WITH 5/16 BOLTS OR LARGER & LOCK NUTS
* WEIGHTS MUST BE PAINTED WHITE AND HAVE CAR NUMBER ON EACH ONE USED
* ALL BOLT- ON WEIGHT MUST BE INSIDE MAIN FRAME
RADIATOR
* EITHER DOUBLE OR SINGLE CORE ALLOWED
GEAR
* OPEN, 520 CHAIN
* FRONT GEAR AND CHAIN MUST BE STEEL
GEAR LIGHT
* DRIVER MUST BE IN RACING GEAR BY TURN 3 FOR ALL STARTS AND RESTARTS
* NO SHIFTING DURING RACE OR STARTS OR RESTARTS. NO SHIFTING PERMITTED
* IF LIGHT COMES ON AND YOU ADVANCED A POSITION, YOU WILL BE PENALIZED TWO
POSITIONS AT NEXT CAUTION OR END OF RACE
* IF SHIFT LIGHT DOES NOT WORK IN TECH WILL BE A DQ
SEE DIAGRAM #1
REAR BRAKES
* 2 PISTON CALIPER ONLY
WILWOOD # 120-4062
AFCO #6630410
* ONE REAR BRAKE
* 10“MAXIMUM DIAMETER BRAKE
DISC WITH 4 BOLT MOUNTING HUB
* 5/16 THCK MAXIMUM
* ¾ IN. MASTER CYLINDER
WILWOOD #2606764
US BRAKE #201-1512
FRONT BRAKES (PAGE 5)
* NO PROPORTIONING VALVES
* 1/8 THICK ROTOR
* BRAKE LINE MASTER CYLINDER
* T, 24 IN. LINE TO FRONT AXLE
* T, 24 IN. LINE TO RIGHT SIDE
* 16 IN. LINE TO LEFT SIDE
SEE DIAGRAM #2
BELLY PAN
* FRONT MUST STOP AT STEERING BOX
* BACK MUST STOP AT BAR WITH SERIAL NUMBER ON IT
* BELLY PAN MUST BE ON TOP OF FRAME RAILS
* MUST BE ALUMINUM
GAUGES
* NO AIM OR MICRON TYPE GAUGES IN OR ON THE CAR
* TACH IS ONLY GAUGE THAT CAN BE CONNECTED TO WIRING HARNESS
* 3 GAUGES IN A CAR
OIL PRESSURE – WATER TEMPATURE – TACHOMETER
* NO MORE THAN 3 ON/OFF SWITCHES IN CAR
1ST SWITCH – ON/OFF FOR ENGINE
2ND SWITCH – FAN OR LIGHTS ENABLING SIGHT TO GET IN AND FASTEN BELTS
3RD SWITCH – FOR HELMET BLOWER ONLY
BIRDCAGES
* ALL SINGLE BEARING BIRD CAGES AND NEW RR & LR DOUBLE BEARING BIRD CAGES
* NO CERAMIC BEARINGS
ENGINE (PAGE 6)
* ALL ENGINES MUST HAVE SEAL BEFORE IT IS PERMITTED TO RACE. IF NOT SEALED,
PENALTIES WILL BE AWARDED TO OWNER AND DRIVER
* STOCK FROM MOTORCYCLE INCLUDING:
INJECTORS, CLUTCH, SPARK PLUGS AND BLACK BOX
*06-07 ENGINE IS CLASSED AS 01H : SERIAL NUMBER STARTS AS N732-XXXX
*08-09 ENGINE IS CLASSED AS 37H : SERIAL NUMBER STARTS AS N735-XXXX
*ENGINES WILL BE REFERRED TO 01H AND 37H
*ALL INTERNAL AND EXTERNAL PARTS MUST REMAIN STOCK FROM THEIR RESPECTIVE PRODUCTION RUNS 06-07-01H, 08-09-37H.
*MIXING COMPONENTS BETWEEN THE TWO WILL NOT BE ALLOWED.
(THROTTLE BODIES, INJECTORS, WIRING HARNESS, COMPUTER, ETC)
*AFTER MARKET PARTS OF CERTAIN NATURE WILL BE ALLOWED AS FOLLOWS:
- OIL PANS: FABRICATED OR CUT DOWN PANS SO IT DOES NOT HANG BELOW THE CHASSIS.
- CLUTCHES: ANY BRAND OF FRICTION DISK AND STEEL PLATES. CLUTCH BASKET, CLUTCH HUB AND PRESSURE PLATE IS TO REMAIN O.E.M.
- GASKETS: ANY BRAND GASKETS MAY BE USED. HEAD GASKET THICKNESS MUST REMAIN O.E.M.
- TIMING CHAIN: ANY BRAND ALLOWED
- VALVES: VESRAH AND VANCE AND HINES ARE ALLOWED AS LONG AS THEY ARE OF O.E.M SIZE.
THESE ITEMS ARE NOT CONSIDERED PERFORMANCE ENHANCING. THEY ARE ALLOWED FOR THE SOLE PURPOSE OF LONGEVITY AND COST.
* ANY NGK SPARK PLUG
* SPARK PLUGS MUST HAVE CRUSH WASHER ON THEM
* MOTORS MUST REMAIN STOCK
* ALL REBUILDS MUST BE REGISTERED AND SEALED BY TECH OR OFFICAL
* NO POWER COMMANDERS
* SEALED XCEL ECU WILL NOT BE LEGAL AT THUNDER MOUNTAIN SPEEDWAY
* STOCK FLASHED FROM SUZUKI ECU MUST BE UNLOCKED
*TAMPERING OF ECU WILL NOT BE ALLOWED (OEM ECU ONLY)
* ALL ENGINES MUST HAVE SEAL DONE BY TECH
IF THEY ARE FOUND NOT SEALED, YOU ARE DISQUALIFIED.
* IF SEAL IS TAMPERED WITH, IN ANY SHAPE OR FORM, YOU ARE DISQUALIFIED.
* NO AFTERMARKET DEVICES
* SUZUKI GSXR 600 ONLY 2000 – 2010
* 599 CC – NO CLEAN UP
* “SUZUKI” KINZLER ADJ. HIGH SPEED BYPASS
* NO PILL BLOCK
* 12 VOLT BATTERY ONLY
* ALL WIRING HARNESSES MUST BE REMOVABLE
* TACH WIRE MUST BE ACCESSIBLE TO OFFICIALS AT ALL TIMES
(YELLOW WITH BLUE STRIPE)
ENGINE PROTEST POLICIES (PAGE 8)
* INCLUDED IN PROTEST ARE THE FOLLOWING:
ENGINE, WIRING HARNESS, BLACK BOX, EVERYTHING BUT HEADER AND AIR BOX
* ALL ENGINE PROTEST ARE MANDATED TO BE PULLED AT TRACK THE NIGHT THE PROTEST IS MADE
* PROTESTED ENGINE WILL BE TAKEN TO IVAN FORNEY THAT WEEK AND WILL BE RETECHED
* IF A PROTEST IS ON A TWO-DAY RACE EVENT, THE PROTESTED ENGINE WILL BE MARKED BY AN OFFICIAL THE FIRST DAY AND WILL BE CONFISCATED AT THE END OF THE SECOND DAY
* ALL PROTEST MUST BE IN WRITING, GIVEN TO DOUG WINDHAUSEN OR KARL SPOONHOWER WITH $750.00 PROTEST FEE
* ONLY OWNERS CAN FILE AN ENGINE PROTEST
* AN OWNER CAN PROTEST ONE ENGINE A NIGHT
* TO PROTEST AN ENGINE, OWNERS CAR MUST HAVE FINISHED 7TH OR BETTER IN THAT
NIGHTS FEATURE
* THE ENGINE THAT IS PROTESTED MUST HAVE FINISHED 7TH OR BETTER IN THAT NIGHTS FEATURE
* INSPECTOR RECIEVES $250.00 OF PROTEST MONEY NO MATTER OF THE OUTCOME
* IF FOUND LEGAL:
OWNER OF PROTESTED ENGINE WILL RECEIVE $500 AND RETURN OF ENGINE
* IF FOUND ILLEGAL:
PROTESTER WILL RECEIVE $500.00
OWNER OF ILLEGAL ENGINE RECIEVES MONETARY FINE AND SUSPENSION TO BE DETERMINED BY OFFICIAL
WHEEL BASE
* 66 ¼ MINIMUM TO 67 ¾ MAXIMUM
BUMPERS & NERFS (PAGE 9)
* MUST BE STEEL AND STOCK FROM
.065 MINIMUM AND .095 MAXIMUM THICK WITH ONE INCH DIAMETER
* IF FRONT/ REAR BUMPER COMES OFF DURING RACE, CAR IS FINISHED FOR THAT RACE
* NO DOUBLE SIDED/BARED OUTER NERFS (NO DOUBLE HOOPS)
MUFFLER
* BEYEA
*SCHOENFELD
EXHAUST
* MUST BE STOCK
* NO JET COATED HEADERS
* NO CERAMIC HEADERS
* NO STAINLESS-STEEL HEADERS
BATTERY
* NO GELL
* NO LITHIUM
* PLAIN 5IN. BY 7 IN. LAWN MOWER BATTERY ONLY
RADIUS ROD
* RF 11
* LF 10 ½
* FRONT PAN HARD BAR 18
* BACK PAN HARD BAR 21 ½
* BACK RIGHT SIDE PAN HARD BAR 23
* BACK LEFT SIDE PAN HARD BAR 25
* NO SPRING RODS
* NO BUMP RUBBER RODS
HEIM ENDS:
* MUST BE STEEL BALL STYLE
FRONT AXLE (PAGE 10)
*STOCK AXLE NO ADDING OR TAKING AWAY CAMBER ANGLE
* MUST PLATE ON AXLE
* ONE PIECE STEEL AXLE
SEE DIAGRAM #3
WHEEL WIDTH
* 63 INCH MAXIMUM
SEE DIAGRAM #4
FUEL
* PUMP GAS ONLY – 93 OCTANE MAXIMUM
* NO MENTHANOL
* NO ADDITIVES
FUEL PUMP
* FUEL PRESSURE 43 TO 51 FOR HONDA AND SUZUKI
* MALLORY #4060FI
* HOLLY RED
* WALBRO
* BLUE HIGH PRESSURE FUEL LINE
*BRADED FUEL LINE CAN BE USED
* REGULAR HOLLEY 12-882
* FITTING FOR FUEL RAIL RUSSELL #640863
NUMBERS & LETTERS
* MUST RESERVE CAR NUMBER WITH REGISTRATION
* MUST BE DISPLAYED ON THE ROOF, BOTH SIDES OF CAR AND ON BACK
* SIZE MUST BE 16 INCHES IN HEIGHT FOR TOP & SIDES
* LETTERS IN FRONT, BACK OR IN NUMBER MUST BE 8 INCES MINIMUM FOR TOP AND BOTH SIDES
SHOCKS (PAGE 11)
* IF SHOCK(S) IS NOT CRIMPED, OFFICIAL WILL CONFISCATE SHOCK(S) AND HAVE SHOCK(S) INSPECTED
* STOCK SHOCK NO ADJUSTING OF GASES
* BILSTEIN XCEL #1 OR DIG SPEC SHOCK
* NO PENSKE SHOCKS
* ALL CARS MUST HAVE ALL 4 BILSTEIN OR ALL 4 DIG SHOCKS ON EACH CORNER OF THE CAR NO MIXING OF SHOCKS, ALL 4 CORNERS SAME
* NO CUTTING SHOCKS APART OR CHANGING VAVLES
* NO SPRING SHIMS OR SPACERS
* SHOCK EXTENSION IS 1 INCH ONLY – BACK ONLY
* 4 INCH THREADED TUBE COIL KIT WITH BILSTEINS
* ONLY 4 SHOCKS PER CAR
* NO BUMP RUBBERS
* NO DRILLING AND/OR LETTING GAS OUT OF SHOCK
* DIG SHOCKS REBUILDABLE ONLY THROUGH DIG
* SHOCKS CAN BE AND WILL BE PULLED AT RANDOM BY OFFICIAL AND SENT OUT TO BE CHECKED
* ILLEGAL SHOCKS WILL BE KEEP BY OFFICIAL
* REAR SHOCK MOUNT SLIDERS EXCEPTED
SPRINGS
* OPEN
* ONLY ONE SPRING PER SHOCK
* ONLY FOUR SPRINGS PER CAR
* 1 7/8 DIAMETER SPRING ONLY
* NO BARREL SPRINGS
BODY (PAGE 12)
ALL BODYS MUST MEET XCEL 600 SPECS
4” MAX HEIGHT ON SPOILERS
* MUST MEET ALL TEMPLATES
* 6-2 ½ INCH HOLES LF BOTTOM DOOR
(AIR FOR ENGINE)
* HOLE IN HOOD FOR AIR 1 ¼ INCH BY 6 ¼ MAXIMUM
* OPTIONAL LOUVERS FOR AIR BOX AND ROOF FOR RADIATOR
* NO SKIRTING BELOW FRAME IN FRONT OR ON BOTH SIDES
* ALL BODY PARTS MUST BE ON CAR AT START OF EACH RACE
* FIREWALL MUST BE IN CAR AT ENGINE
QUALIFYING
* DRIVER QUALIFIES TO RACE
* THE DRIVER CAN ONLY SIGN IN ONE CAR
* IF SOMETHING HAPPENS IN HEAT RACE, DRIVER CAN RUN BACK UP CAR IN B-MAIN
* RACE DIRECTOR, DOUG WINDHAUSEN OR KARL SPOONHOWER MUST BE INFORMED OF ANY CHANGES AT ANYTIME DURING THE NIGHTS EVENTS
* THE LAST CAR YOU DRIVE IS THE ONE DRIVER MUST RACE
POINT SYSTEM
* TRACK POINT SYSTEM RULES APPLY.
* SERIES POINT BRACKET AT THE END OF RULE BOOK
ROOKIES
* STATUS: IF YOU ARE NEW TO SERIES AND DID NOT RACE A CAR BIGGER THAN A 600
MODIFIED, YOU ARE DEEMED A ROOKIE
* ALL ROOKIES MUST HAVE “ROOKIE” DISPLAYED ON BACK DECK
* ALL ROOKIES SHALL START AT TAIL END OF HEAT RACE FOR A MINIMUM OF 4 EVENTS
* AFTER 4 RACE EVENTS, REPRESENTATIVES WILL DETERMINE ELIGIBILITY FOR PILL PULL
FEATURE RACE (PAGE 13)
* TOP 3 CARS TO TECH BARN IMMEDIATELY AFTER HITTING SCALES
- SOMETIMES MORE THAN 3 CARS MAY BE REQUIRED
* SPEEDWAY TRACK RULES APPLIES, AND IT IS DRIVERS RESPONSIBILITY TO KNOW THEM.
* FLAGGER WILL BE IN CHARGE OF THE FIELD AND DICTATE THE RULE OF THE RACE.
* ANY CAR IN RACE IS SUBJECT TO POST RACE INSPECTION
AIR BOX
* STOCK
* STOCK BOOTS MUST BE CUT DOWN
* NO NEW TALLER AIR BOX WITH STACKS
* AIR BOX AND FILTER HAVE TO BE UNDER BODY PANELS
* IF YOU ONLY RUN TWIN AIR FOAM FILTER YOU MAY RUN A PIECE OF STEEL MESH UNDER FILTER TO HOLD FILTER UP
* AIR BOX COVER MUST BE ON CAR AND MUST HAVE FIRE SHIELD COVERING ENGINE
- BLANKET OR ALUMINUM COVER
* NO AIR INDUCTION SYSTEM AND/OR RAM AIR
* AIR FILTER MUST BE
GREEN – #2004
K&N – #33/2084
#33/2018
TWIN AIR
TRANSPONDER
* TRANSPONDER NUMBER MUST BE REGISTERED
* MUST MEET MOUNTING SPECIFICATIONS AS SPECIFIED IN DIAGRAM
SEE DIAGRAM #5
FRAME (PAGE 14)
* ALL CHANGES TO FRAME MUST BE IN LETTER FORM EXPLAINING REASONS FOR CHANGES. AFTER APPROVAL, OFFICIAL WILL STAMP LETTER AND MUST BE AVAILABLE FOR PRESENTATION TO OFFICIALS AT ANY TIME
* MUST REMAIN STOCK
* NO CUTTING BARS
* NO ADDING BARS
* NO MOVING OF ANY BARS TO DIFFERENT SPOTS
* ENGINE MUST REMAIN STOCK POSITION
* ALL CARS MUST HAVE ROCK SCREEN ON FRONT FOR DRIVER SAFETY
* MUST HAVE CAGE AROUND FUEL CELL
* OTHER CHASSIS MUST BE BROUGHT TO OFFICIALS FOR INSPECTION BEFORE ALLOWED
2011 OR NEWER CARS AND CARS WITH 2011 UPDATES
* BATTERY IS IN BACK OF CAR
* ALUMINUM ENGINE PLATES
STARTS & RESTARTS
* MUST BE IN RACE GEAR BY TURN #3
* NO SHIFTING ON STARTS OR RESTARTS
* RESTARTS WILL BE DOUBLE FILE UNTIL TRACKS DISCRETION
* ON RESTARTS, THE LEADER HAS A CHOICE OF INSIDE OR OUTSIDE LANE
* THE LEADER STARTS THE RACE AND MUST START WITHIN THE RESTART ZONE
* SINGLE FILE STARTS:
– WHEN LEADER HITS CONE, TRACK IS GREEN. YOU CAN ONLY PASS ON OUTSIDE TILL STARTING CONE
REGISTRATION
* CAR MUST BE REGISTERED IN ORDER TO RACE
* DRIVER MUST BE REGISTERED IN ORDER TO RACE
CAR INSPECTIONS (PAGE 15)
* ALL CARS MUST BE INSPECTED BY BEFORE CAR IS PERMITTED TO RACE
* A CAR THAT IS NOT INSPECTED WILL BE DISQUALIFIED UNTIL CAR IS INSPECTED
* FIRST TIME A CAR COMES TO TRACK/SERIES FOR THE SEASON IT NEEDS TO GO THROUGH TECH FOR A PRE RACE INSPECTION THAT NIGHT
PIT & TRACK BEHAVIOR
* AN OWNER IS RESPONSIBLE FOR THE CONDUCT OF THE CREW AND DRIVER AT THE TRACK
* ALL OWNERS, DRIVERS, CREW AND TEAM MEMBERS MUST ACT LIKE LADIES AND
GENTLEMEN AT ALL RACE EVENTS
* ANY INDIVIDUAL AND /OR INDIVIDUALS WHO MAY GET INTO A FIGHT OR UNSEEMLY
ARGUMENT AT THE TRACK SHALL IMMEDIATELY BE SUSPENDED FROM THE DAYS OR
NIGHTS EVENTS. OFFICIALS MAY IMPOSE A MONETARY FINE AND/OR A 2 TO 4 RACE
SUSPENSION FOR EACH INDIVIDUAL
* ANY AND ALL ACTIONS, INCLUDING THE INTERNET, BY AN INDIVIDUAL AND/OR INDIVIDUALS RULED DETRIMENTAL TO THE FOLLOWING:
SERIES, OFFICIALS, DRIVERS AND OWNERS
WILL RECEIVE A $75.00 FINE OR HIGHER ALONG WITH POSSIBLE SUSPENSIONS AND/OR A
POSSIBLE LIFE TIME BAN.
* ONLY OWNERS MAY APPROACH AN OFFICIAL, AT ANY TIME, IN TRAILER TO DISCUSS RACE EVENT AND PROCEDURES
GENERAL PROTEST POLICIES
* ANY OWNER/DRIVER MAY FILE A PROTEST ANOTHER OWNER/DRIVER FOR ANY
INFRACTION OF THE RULES WITHIN 20 MINUTES OF RACE FINISH
* YOU CAN NOT PROTEST A FINISH OR A RULE INFRACTION DECISION BY AN 600 MODIFIED OFFICIAL OR TRACK OFFICIAL
* PROTEST MUST BE IN WRITING, SPECIFYING PROTEST, AND GIVEN TO DOUG WINDHAUSEN OR KARL SPOONHOWER* $150.00 MUST ACCOMPANY WRITTEN REQUEST
* $50.00 OF PROTEST MONEY WILL BE DISTRIBUTED TO POINT FUND REGARDLESS OF ANY OUTCOME
* IF FOUND ILLEGAL:
PROTESTER RECEIVES THE REMAINING $100.00 BACK AND PROTESTED CAR RECEIVES NO POINTS OR MONEY FOR THAT NIGHTS RACING EVENTS
OWNER OF PROTESTED CAR MAY RECEIVE MONETARY FINES AND/OR SUSPENSIONS
* IF FOUND LEGAL:
ONLY THE PROTESTED CAR RECEIVES THE REMAINING $100.00
* ONLY OWNERS MAY APPROACH AN OFFICIAL, AT ANY TIME, IN TRAILER TO DISCUSS RACE EVENT AND PROCEDURES
* ILLEGAL COMPONENTS SUCH AS SHOCKS, COMPUTERS, ETC… WILL BE CONFISCATED BY OFFICIALS
MISCELLANEOUS (PAGE 16)
*** FIRE BOTTLES MANDATORY AT THE START OF THE 2025 SEASON FOR BOTH THUNDER MOUNTAIN AND SERIES EVENTS
*** RACECEIVERS RADIOS ARE MANDATORY AND MUST BE WORKING DURING RACE
EVENTS. ***
*** TRANSPONDERS ARE MANDATORY AND MUST BE CHARGED AND WORKING IN THE CORRECT LOCATION FOR EVERY EVENT THROUGHOUT THE NIGHT
* HEAD & NECK RESTRAINTS ARE MANDATORY: MUST BE SFI RATED MINIMUM OF 38.1
* ANY AND ALL SUSPENSIONS INCLUDE WEEKLY TRACKS ON RACE DAYS. IF RACE IS
CANCELLED OR TRACK NOT OPEN, THIS IS NOT INCLUDED
* DRIVER CAN NOT HAVE ANY ELECTRICAL DEVICES (EX: CELL PHONE, CREDIT CARD W/
CHIP) ON PERSON OR CAR DURING ANY RACE EVENTS. RACECEIVERS ARE ALLOWED
*NO MECHANICAL OR ELECTRONICS TO CHANGE SUSPENSION COMPONENTS INSIDE OR OUTSIDE THE COCKPIT
* 1 IN CAR CAMERA ALLOWED IN CAR BUT CAN NOT FACE ANY SUSPENSION
* NO MAGNESIUM
* NO TITANIUM
* NO TRACTION CONTROL
* NO AIR SHIFTER
* NO DATA ACQUISITION SYSTEMS
* NO COCKPIT ADJUSTABLE DEVICES
* NO CARBON FIBER
* NO DRILLING OR HALLOWING OF ANY BOLTS AT ANY TIME
* NO RADIO COMMUNICATION IN CARS
* NO ALUMINUM BOLTS
* ONLY OWNERS MAY APPROACH AN OFFICIAL, AT ANY TIME, IN TRAILER TO DISCUSS RACE EVENT AND PROCEDURES
ON TRACK MISCELLANEOUS (PAGE 17)
* NO SHIFTING AT ALL ON STARTS OR RESTARTS OR DURING THE RACE
* DRIVER MUST BE IN RACING GEAR BY TURN #3
* IF YOU SPIN SOMEONE OUT, YOU WILL BE SENT TO REAR ALONG WITH THE DRIVER YOU SPUN OUT
* IF THE DRIVER YOU SPUN CAN NOT CONTINUE THE NIGHTS EVENTS, YOU WILL NOT
PARTICIPATE ALSO
* IF A CAR FLIPS OR LANDS ON ITS SIDE, THE CAR IS FINISHED FOR THAT RACE
* IF YOU HAVE A FLAT TIRE ON ANY CORNER OF THE CAR DURING A RACE, YOU WILL BE
SENT TO THE PITS AND BE ALLOWED TO CHANGE TIRE AND RETURN TO THE TRACK IF
DESIRED, THEY WILL NOT HOLD FIELD FOR ANY LENGTH OF TIME.
* ROUGH RIDING WILL NOT BE TOLERATED
* IF YOU UNBOLT AND GET OUT OF THE CAR ON THE TRACK, YOU ARE FINISHED FOR THAT RACE
* 3 SPIN RULE: IF YOU SPIN OUT TWICE THE NEXT TIME YOU SPIN OUT/WRECK YOU WILL BE SENT OFF THE TRACK FOR THE REMAINDER OF THAT RACE
SERIES MISCELLANEOUS RULES (PAGE 18)
ALL RULES PRIOR IN THIS RULE BOOK APPLY PLUS THE FOLLOWING FOR SERIES
* 24 CAR FIELD PLUS ALLOWING 1 PROVISIONAL TO THE HIGHEST IN SERIES POINTS THAT DIDN’T QUALIFY. IF TRACK RUNS THE DIVISION WEEKLY THAN THERE WILL BE 1 TRACK PROVISIONAL AS WELL
* POINTS TIE BREAKER WILL BE WINS THAN WILL BE BY HOW MANY TOP 5’S AND SO FORTH TO TOP 10’S IF NEEDED
* TOP 3 ONCE RACE IS FINISHED IMMEDIATELY AFTER HITTING SCALES GO TO TECH
(AT SERIES TRAILER OR TECH BARN IF PROVIDED)
* EVERY RACE IS UNDER DRAW-REDRAW FORMAT (AT SERIES TRAILER)
* 2 SPIN RULE: AFTER TWO SPINS SOLELY, YOU WILL BE PARKED FOR THE NIGHT
* MUST FILL OUT SIGN UP SHEET AND PAY A ONE TIME $30 SIGN UP FEE
* SERIES POINT SYSTEM 1.60 2.56 3.52 4.50 5.48 6.46 7. 44 8.42 9.40 10.38 11.36 12.34 13.32 14.30 15.29 16.28 17.27 18.26 19.25 20.24 21.23 22.22 23.21 24.20 25.19 26.18 DO NOT START/DO NOT QUAIIFY 10
THE RULES PROVIDED THEREIN ARE RULES TO KEEP THE SERIES
BUDGET MINDED AND FUN. CHEATING OF ANY KIND WILL NOT BE
TOLERATED. IF THE RULE BOOK DOES NOT SPECIFY, ASSUME
THAT YOU CAN NOT DO IT. DONT CHEAT!!!
OFFICIALS
DOUG WINDHAUSEN
KARL SPOONHOWER
IVAN FORNEY
CODY BISHOP
NOTES: