River Rat Raceway
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1/8 PRO LIMITED
PRO LIMITED NITRO
This class is for experienced racers on a budget
Must remain stock no alterations of motor at all
Head shims must remain stock from factory
Must have carburetor return spring
Approved Engine list:
OS 3 port VG .21
Novarossi N21B 09 .21
Losi 350 3 port .21 part # losr2300-450
Bodies: Approved Body list:
A+ one piece
C&M “Atomis SC”, “Assassin” & “Atomic”
Losi # losa8096
OFNA # 31143
Onstat LM B-1 and B-2
RJ Speed 1/8 Dirt Oval Body
RJ Speed Mega Wedge 1/8 Dirt Oval Body
Setser SS Late Model Body
MACH 1 2014
mach 1 2015
Spoilers/Wings NO Side dams:
1) Rear spoiler 3” max length
2) NO SIDE AIR DAMS
3) Right/Left/Center spoiler cap (max of three across rear spoiler)
4) No additional wings, spoilers, flaps, etc can be added except what is stated in the rules.
5) No Metal is allowed to be added to any body, bumpers, wings or used as supports.
6) Bumpers must be made of shock absorbing material (no metal) and must be completely
covered by the body.
1) Max track width 12.375”
2) No part of nerf wings or chassis may extend past the plane of the tires
3) MIN Wheel Base 12.375"
1) 4 wheel Drive only
2) Must use standard 3 diff setup (rear/center/front) with shafts connecting front to center and rear to center. Each of the 3 diffs may house either a diff, locker, torsion, spool, one way, 1 speed, O
no 2 speed.
Wheel & Tire Specs:
1) Tracks choice on which tires are legal (Foam or Rubber) from approved tire list!
2) All wheels must be 17mm buggy based.
Foam tire specs:
Max tire diameter- 106mm Max tire width- 46mm Rubber Tire
ANY GT OR 1/8 SCALE STREET TREAD 17MM TIRE