100 McMillan Drive Suite H Spartanburg, SC
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What is a 1:24
So What is a Slot Car
Flexi National Series
USRA RULE BOOK
B&E Hardbody Rules
USSCA RULES

1_32nd_class_rules.pdf
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Madfast Racing Series
Mid-South Racing Assoc.
WOMP/AWRA
Drag
JK Box Stock
IRRA
The rules below are intended to make races fair by regulating the cars so that very similarly built cars are racing. Invariably, you can find loopholes but I encourage you to stay with the intention which is to depend on your racing skill, which will improve when you rely on that rather than parts. While winning is the goal of every race, watching a heavy weight beat a feather weight isn't appealing to anyone. Try to respect the intention of each class and if you car looks like it belongs in a different class....it probably does.
stock_car_rules_may_2021.pdf
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gp_f_rules_may_2021.docx.pdf
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jk_box_stock_series_rules.docx.pdf
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2018_irra_general_rules.pdf
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big_rig_and_womp_stock_car_rules_dec_2020.docx.pdf
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in_house_upstate_flexi_series_races.docx
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lemans_big_tire_class_dec_2020.pdf
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concord_hard_body_rules.pdf
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crate_late_model_rules.docx
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protrackmods.pdf
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dirt_late_model.pdf
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archdale_super_truck_rules.docx
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fly_scalextric__super_truck_rules.pdf
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mid_american_hardbody_rules_2018_final_c.docx
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flexi_national_series_rules.pdf
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usra_2018_rules.pdf
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​Upstate Raceway 
In-house Slot Car Rules

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Rules are for competitive fair play and for the preservation of the track.  Also, remember that a part of this racing hobby is to have cars look as realistic as possible. Spectators enjoy watching cars race, not just seeing mounted motors do laps. Please take time to make your car look good. It's an important part of the culture of Slot Car Racing.

GTP/Flexi: Normal race planned twice per week. The GTP class will use the Mid America Phoenix motor.

LMP/GT1: Flexi class using the Box Stock American Eagle, or Hawk 7.


Dirt Late Model/ WOMP (DLM): Normal race planned for Saturdays running Hawk 25.

Stock Car on Protrack 612S Chassis: Race planned for alternating Thursdays every two weeks  (The PDF listed as Pro Mods may be useful to improve handling and speed)

​Crate Late Model/ 612S:  Chassis: Races planned for alternating Thursdays every two weeks ​ (The PDF listed as Pro Mods may be useful to improve handling and speed)

Group F uses the Mid-America Mocking Bird motor and can use the same chassis and set up. The only difference is the opportunity to use a wing body. 

 Run What Ya Brung:  fun race that anyone can enter. $5 entry fee for each race.  These will be planned twice on Saturday and spontaneously during the week as a fun race

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​









​The Group F class is a faster class for aspiring Wing Car racers.

Hawk 7 and the Mid America Eagle motors are interchangeable for races at Upstate Speedway in the WOMP, NASCAR, and Dirt Late Model Classes

The GTP Class will use the Phoenix motor.


RENTALS:
Rental cars will come with a controller. If you have your own car you will need a controller or rent ours at the hourly rate ($10 total per hour).



JK BOX STOCK RULES:

 
The goal of this series is to expand FLEXI racing across the country with a minimal cost, minimal modification based series. As “arrive and drive” as possible for close, fun racing where anyone can win on a given night. Grab a car off the shelf, and go race.
 
Car specifications will be fully enforced during technical inspection of all entrants’ cars prior to each race. Any car’s failure to pass technical inspection will immediately disqualify that entrant from racing. Technical Car Specifications follow:
 
Technical Specifications:
  1. R-T-R JK cars suitable for his race series
  2. Each car must weigh at least 108 grams as measured by technical inspection.
  3. Maximum track width of each car is 3.25”
  4. Minimum track clearance, under the chassis at the rear of the motor box and under the spur gear is .047” for each car.
  5. Original gearing of 64P 10T pinion and 64P 36T spur gear must be maintained for LMP and Stock Car Class, and 64P 37T spur gear for Indy Car Wide Body Class.
  6. Whenever an original part of a car (OEM Part) must be replaced because of wear or damage, that part must be replaced only with an OEM JK part.
  7. Whenever OEM tires require replacement they must be replaced only with OEM tires.
  8. OEM motors must be replaced only with JK Hawk 7 motors.
  9. Motors must be secured to the chassis with the OEM screws motors may be additionally soldered into place.
  10. Original chassis pans and center sections must be replaced only with OEM parts of the same materials and dimensions.
  11. Weights and/vibration-dampening tape may be attached to the top side chassis as desired. Chassis may not be otherwise altered or modified.
  12. Original bodies must be replaced only with either the OEM painted or OEM clear bodies from JK. Clear bodies must be painted to be opaque from all views and must carry 3 numbers and at least 2 sponsor marks/decals for authenticity. Bodies must be a minimum .010 thickness.
  13. Bodies may be trimmed only for appropriate tire and track clearance. Bodies may be reinforced with tape and/or body armor.
  14. Original guide flags must be replaced only with the OEM or OEM-equivalent guide flags. No weighted, shaped or otherwise non-standard flags are allowed. Guide flag spacers may be added or removed as desired.
  15. Original braid may be replaced with either U10 JK braid or U11 JK stiffer braid only.
  16. Original lead wire must be replaced with OEM U52 JK lead wire. Lead wire may be routed on the chassis as desired.
Any modification not specifically listed above IS NOT LEGAL. If it is not listed above, you simply can not do it.
This is not an exhaustive list but racers categorically may not:
  • install ball bearings
  • Install hollow axles
  • Install undersized or otherwise adjustable rear axle bushings or bearings to adjust ride height
  • Install pin tubes as body mounts, only OEM body clips are allowed
  • Install motor, rear upright or any other frame bracing
  • Tamper with OEM motors in any manner
  • Cut or trim bodies beyond OEM cutlines
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RULES OF THE ROAD

​​Upstate Speedway seeks to coordinate with surrounding tracks to find some uniformity in rules for the benefit of racers as well as tracks. It is our conviction that separate rules for every track makes this hobby sport to expensive and difficult for those that love to race. Therefore the cars you race there you often race here and the cars you race here, we hope you will be able to race there. This gives you greater opportunity to take advantage of other great Slot Car facilities and never get bored in pursuing your best race.

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GLUE: The track will be sprayed with a light glue mixture in the turns only from time to time and racers may ask to have the turns checked for glue before a heat. However, no glue boards will be used by racers to apply glue directly to the tires or the track. The result of such a practice is excessive glue in the lanes creating a change in the racing performance of other cars after lane changes. Glue can also spread across lanes as a glued tire enters turns and crosses or fishtails into adjacent lanes. Glue also provides an advantage to the racer using glue that trumps another racer relying on driving skill. 
Likewise, braid juice will be applied directly to the braids on the car and not directly to the braid on the track. Braid juice may be used between heats.



(The following "During Race" and "Track Call" rules were adopted from The Viper Pit Slot Car Raceway in Thomasville, GA)


Track calls are permitted only for:

1.    Braid up

2.    Track equipment failure

3.    Debris on track

4.    Un-marshalable car, i.e., a car de-slots and stops in an area not readily accessible to a turn marshal. [Note: a car landing on the floor does not necessarily constitute a track call.]

5.    Rider in lane

During racing:

1.    Drivers must turn marshal during their sit-outs or otherwise when called upon by the race director. Drivers who either DNF or DQ are expected to turn marshal the remainder of their race.

2.    During lane change cars must remain at the track, except when a car is already in the pits. At the track, only guide or body straightening, braid check or replacement, body pin/clip check permitted

3.    During track call only guide or body straightening permitted

4.    Car repair during the race allowed but must have begun when track power is on. *

5.    No car substitution permitted. The result is black flag and immediate disqualification. *

* Rule may be waived, depending on class.


No chassis contact to the race track.


THE NINE RULES FOR CORNER MARSHALS
(Thanks to Atlanta Slot Car Raceway for the Marshal Rules) 
Nine Rules for Slot Car Corner Marshals


1. Marshals are allowed to fluff or flatten braid on a car if requested by the driver only if the car was the one involved with track call.


2. Marshals are allowed to pop a body if it has been damaged by a hit to a wall or by another car during a track call.


3. During the race or track call the only car that a marshal needs to touch is the car that is out of the slot. No adjustments should be made to any other nearby cars.


4. Marshals are the only ones that can call track for a car out of reach but visible by the marshal. Drivers can call for a rider or if car is not visible by a nearby marshal.


5. Drivers cannot request a corner marshal to do repairs, reset or replace body pins or clips during a track call or race. All repairs are made under green flag racing by the driver or team member.


6. If a car has become disabled the marshal will remove the car from the track and the driver is responsible for retrieving his/her own car.


7. If marshaling, be respectful and either mute or turn off electronic devices while the race is running.


8. While marshaling please limit conversations with other marshals or drivers while the race is under way.


9. Remember, when you marshal, marshal like you would like to be marshaled if it was you at the drivers stand.



​
IN HOUSE UPSTATE FLEXI SERIES RACES:
 
NASCAR/LMP/Dirt Late Model/GTP/Group F Flexi 
​​

This flexi class is designed to keep racing competitive, affordable,  and stock. Rule enforcement will be most strict during award and incentive based races.

STAMPED STEEL CHASSIS REGULATIONS
​LMP, and GT1 will be allowed to race together.

All chassis and it's components must be commercially available.
The chassis may have a minimum of two and maximum of three chassis parts. All chassis will consist of one solid center section and a maximum of two separate pans. Two piece center sections are not allowed. The portion of the center section to which the motor is attached must be steel. The pans may be steel or aluminum. No home made parts allowed.
The chassis blanks may be cut with a Laser, EDM, Water Jet, Mill, or Die Stamp. All axle uprights, motor brackets, guide tongues, body clip mounting holes, etc must be formed by stamping of the center section and pan(s). Spring steel solder together type chassis are not allowed. Chassis may not exceed 83 MM width at any point on the chassis.

A) May use lightweight replacement pans and center sections.
B) May interchange parts from a single manufacturer; such as Flexi and Flexi--‐2 parts, JK long or short center sections, and heavy or light pans on RM, JK, Champion, Parma, Mossetti chassis.
C) No modifications except for the following:
D) May solder or glue motor, axle oilites/bushings, and front wheel retainers.
E) May add lead weight and/or tape to chassis.
F) May file holes in motor bracket to allow better gear mesh, but must retain a portion of motor bracket.
G) No oilite/busings modifications allowed. May use offset oilites/bushings. No Ball Bearings.
H) May add spacers between pan and center section.
I) May add a 1--‐inch (25.4 mm) long motor brace and a maximum of two upright braces (one for each upright).
J) The original manufacturer’s plating may be removed only in areas to be soldered.
K) May add pin tubes. Pin tubes must be in stock holes/location. Pin tubes may be either solid or floating. May add lead wire retainer.
L) May change stock bite bar diameter supplied by the MFG to a bar that is .062 maximum and .039 minimum diameter. The bar must be steel, straight, round, no bends, no flats and does not deviate from stock. May not solder bite bar to center section and/or pans.
M) Overall width maximum 83mm (3.268”)
N) May solder on steel guide tongue reinforcement but the original tongue may not be removed, modified, or moved.
O) No other--‐modifications, soldering, cutting grinding or bracing allowed.
P) May use any guide, nut, spacers, lead wire and clips. Only one guide flag per car.
Q) May perform reasonable filing of rear oilite/bushing chassis holes to allow for axle alignment.
R) On the Mossetti chassis…Must use either .062” dia brass tube or the M-1052 .064” stainless tube only. Must use push/body pins to retain the bar in the chassis. The MR-1051 Chassis Retaining Clip may be used and can not be modified or soldered to the chassis.
S) Front axles and front wheels are not required. If racer chooses to use front wheels the min. diameter is .500" o.d. Front axle minimum dia is .047" and max dia is .063". Front axle may be soldered to center section uprights.
T) On the JK C43 "A" chassis, front axles may not be added. Must use stock JK produced "J Bars" and sizes only. J Bars may not be soldered to the chassis.

MOTOR SPECIFICATIONS
​Hawk 7, and the Mid-America Eagle motors are interchangeable. You may trim the pinion shaft. No trimming of shaft on endbell side of motor. No other modifications of/to motor allowed.
GTP will race using the Mid America Phoenix motor
May use clip on type heat sinks or screw on type heat sinks that screw to the can on the pinion side of the motor. Comm coolers allowed.

GEARS
Any size/brand PLASTIC ONLY spur gear may be used and gear must clear track by .047". No Metal Spur Gears Allowed.

REAR WHEELS/TIRES/AXLES
Black rear tires. No dyed tires allowed. 
Wheels/tires/rubber may not be wider than .815" max width. Max wheel dia is .625".
Axles minimum 3/32" dia. Drill blanks allowed. No hollow, non steel or light weight axles allowed. Axle flats for gear/tire set screws allowed.

FRONT WHEELS/AXLES
Front wheels and tires are optional and not required. Wheel stickers may be used instead. If using front wheels: Min dia .500" o.d. with o-ring or rubber.
Fronts do not have to touch the track surface.
Front axle minimum dia is .047" and max dia is .063". Axle may be soldered to chassis front uprights. Axle must be one piece, solid and steel. Wheel retainers may be soldered.

CLEARANCE
Rear Clearance will be .047" minimum including the spur gear. Clearance will be measured under the rear of the car, directly under the rear axle and between the rear wheels, with the car at rest on a flat tech block with the guide in the tech block slot.
Clearance will be checked at the beginning of the race, with no check at the end. If a car is suspected to be dragging on the track during racing, the race director, at his discretion may check clearance. Any car found to be dragging the track will be repaired during green flag racing conditions.
A mid race clearance check may be carried out by the tech director/race controller at the beginning of any heat of any race. Any car found with rear clearance less than .039” inches at the beginning of any heat will have to change tires and have the clearance rechecked under green flag racing conditions.

BODIES
Bodies must be fully painted and opaque. Sides may be left clear in the body pin/clips area only. Must have three numbers.
Must have either a 3D formed driver or cardboard driver visible and properly placed.
Chassis or track may not be visible when looking through windows. All windows must be clear.
Bodies may have tape/lexan/mylar added for reinforcement.
No additional air control/spoilers/diaplanes may be added.
Body must completely cover chassis/tire when looking directly down on the car at tech except for the front chassis wings.
Blade portion of guide flag may extend past the front bumper/nose of body. No braid, clips or top of guide may be visible.
No cutting into the top surface of the body.
No rear body height requirement in any class.
FNRS reserves the right to reject any body at tech that does not meet these requirements.
Front Wheel Area: Must use sticker fronts if no front wheels are used. If front wheels are used; front wheel openings must be cut out/open or left clear and 80% of the front wheels must be visible in the opening or clear area. No cutting into the top surface of the body.
LMP Bodies are to be either open or closed cockpit LMP or GT-1 type/style bodies with a "Stepped" type rear spoiler and are commercially available. 



INSPECTIONS (TECH)
Generally, Cars will be visually inspected using a TECH tool for clearance, height and drivers will be asked what motor is inside.
Upon complaint by a racer, Cars will all be inspected using the TECH tool owned by the Track. That Tech tool will be available to you upon request to pre-tech and prepare your car for a race.
Random TECH inspections before a race will be conducted at the Track owner's discretion.



GENERAL RULES
(1)    All drivers should sign in and pay entry fee prior to open practice 
(2)    All drivers should pre-tech their car before tech time with tech tool & block.  See Race Director for help if needed.
(3)    All drivers should be in tech area before tech time 
(4)    Only one chassis may be raced in each race.  No switching of chassis allowed during race.
(5)    All cars should remain in tech area except when you are on the track.
(6)    All drivers must be respectful to track officials, turn marshals, and to each other at all times.
(7)    All drivers must serve as turn marshals while not racing, even if the driver wrecks out or breaks.  Everyone deserves the same amount of marshals.
(8)   Race Director will have the final say in all decisions and in any case of dispute.
(9)   Please tape body pins to keep lose pins off the track
(10) Race Director may stop any race at any time and check cars for violation of any rule.  Cars must be pulled and made legal as race continues.
(11) It is the intent of these rules to keep racing as equal as possible.
(12) Please watch your language, race clean, and have fun.








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