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December 15, 2017, 07:02:07 AM
News:

Pages: [1]
Author Topic: 2017 BIG 3 CHALLENGE SERIES ... RACE #6 ... TECH INFORMATION  (Read 485 times)
Group: Moderator
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Posts: 150
Real Name: Jim Stone
2017 BIG 3 CHALLENGE SERIES
RACE #6 ... AUGUST 26TH, 2017
SUGARTIT SPEEDWAY


BOX STOCK CLONE CLASSES:
All Box Stock Clone Classes will run under 2017 NKA engine rules ....

RESTRICTOR PLATE COLOR/SIZES:
The following color/size restrictor plates will be in effect:

PeeWee       Red Plate   .375” ... small pipe/silencer
Junior 1       Green Plate   .425” ... small pipe/silencer
Junior 2       Purple Plate  .500” ... small pipe/silencer
Junior 3       Blue Plate   .550” ... small pipe/silencer
 
HELMETS:
All competitors must present a helmet with a current approval rating meeting 2017 NKA helmet specifications.

All helmets used must be full coverage (full face), with
the face-shield installed, and designed for competitive motorsports use
complying at:

Snell
  SA or M 2015 ........................ 12/2025
  Snell SA/K or M 2010 ............. 12/2020
  CMS 2007 youth helmet .......... 12/2019
  CMR 2007 youth helmet .......... 12/2019
  CMS 2016 ............................. 12/2026
  CMR 2017 ............................. 12/2026
  Snell SA 2010 ........................ 12/2020

SFI
 SFI 24.1/2010 ....................... 12/2020
 SFI 31.1/2010 ....................... 12/2020
 SFI 41.1/2010* ..................... 12/2020
   *not legal for vehicles with driver restraint systems
 SFI 24.1/2013 ............ Expires 12/2023
 SFI 31.1/2013 ............ Expires 12/2023
 SFI 41.1/2013 ............ Expires 12/2023
 BSI A-type and A/FR types are legal for 10 years after date of manufacture.

Helmets will be subject to check at any time during the event .. the use of a non-approved/certified helmet will result in the competitor being disqualified from the event.

NUMBERS/PANELS:
All karts must display 4 legible numbers on body ... front nose, each side panel, and rear bumper.  Rear panel must be attached to rear bumper and be a standard  (7" x 9") unaltered panel consisting of a black panel, with white numbers, or a white panel with black numbers.  Rear numbers must be a standard simple font with minimum 6” height ... no custom fonts, multi colored, shaded, or outlined numbers allowed on rear panel.

ON BOARD CAMERAS/RECORDERS:
No cameras or recording devices may be mounted on helmet or any part of drivers body ... all cameras/recorders must be securely mounted on the top, and within the confines of the bodywork.

JUNIOR BODIES:
14” maximum nose/body height for PeeWee, JR 1, and JR 2  karts, ... measured from ground to highest point on nose/body ... no steering shaft farings/visors allowed.

PEEWEE CLASSES:
Driver Ages 5-7
NKA Red Plate Clone, Wennie Pipe, 235lb Min Weight ... 87 octane ethanol/gasoline mix   
or WKA Purple Plate Flathead, .048” Max jet, 250lb Min weight ... methanol only
Junior Bodies (14" maximum nose height)
Chest protectors are mandatory for all PeeWee Class drivers, and must be presented at pre-tech.
Maxxis tires Only ... 6" diameter wheels and tires only ... 36" Max Circumference
Mandatory Gear: 17 Clutch/69 Rear ... no skip tooth, partial tooth, or altered tooth, gears/clutches
Open clutch (shoe or disk)

PREDATOR CLASSES:
All Predator classes will run Southeastern Predator Group (SPG) rules with the exception of flywheel  ... As series promoters(s) option, NO  BILLET FLYWHEELS ALLOWED .

SPG/Big 3 Series rules will take precedence over local track rules.

SPG protest/claim rules and procedures will be in effect.

Predator Classes will run a mandatory spec gear  ....
(no skip tooth, partial tooth, or altered tooth, gears/clutches) 

350 lb      17 clutch/56 rear axle
375 lb      17 clutch/58 rear axle
425 lb      17 clutch/60 rear axle

Maxxis EL tires only for all Predator classes

DESIGNATED FUEL STOP:
The designated station for purchasing fuel for the Box Stock and Predator Classes, will be the Li'l Cricket Station/Marathon/Convenience Store at 1906 Highway 101 S, Greer, SC (exit 60 off I-85).  this location was chosen due to its proximity to the track and should provide a convenient location for most competitors to purchase fuel.  The specified fuel is 87 octane ethanol/gasoline mix ... no additives allowed.  Fuel from this location will be the standard for comparison, so purchasing fuel from this source will provide the highest assurance of fuel being in compliance with the testing procedure(s).

IT IS THE COMPETITOR'S RESPONSIBILITY TO ENSURE THEIR FUEL IS LEGAL.  Purchasing fuel from the designated source does not guarantee legality.

PRE-TECH INSPECTION:
All karts must be presented for pre-race inspection, and comply with all required items, before receiving an inspection sticker.  No karts will be allowed on the track at any time without an affixed inspection sticker.


---------------------------

.... "Common sense is not a flower that grows in everyone's garden"
 ...
   
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