Independent HO Racers of Arizona

2008 Rules
General Class Rules

1.) The maximum width of any car is 1 5/16" (1.3125")
2.) The maximum allowable lateral movement of front axle is 1/32".
3.) After qualifying, you can change anything except chassis and body.
4.) The body shall be a replica of an actual car and must be painted
5.) Any car without a body or an interfering body will not be allowed to continue to run.
7.) Cars may be subject to a teardown either BEFORE and/or AFTER a race to satisfy technical inspection

**Any other modifications not specified will not be allowed**


SuperStock Car Class Rules

1.) Cars eligible to compete include the Wizzard P1-2-3 Scorpion and Storm, Slottech Panther, Thundercat, BSRT G3 & G3R, Tyco 440X2 and DecosmoT+
2.) The motor and traction magnets shall be stock and made of ceramic magnet material and must be readily available.
3.) Armatures shall be stock or stock replacement, narrow gap and be a minimum of 5.8 ohms. Armatures may be epoxied, balanced and have the commutators trued.
4.)All electrical system parts shall be stock or stock replacement.
5.) The chassis shall be stock and cannot be modified in anyway except:

a. Add body mounts
b. The chassis may be drilled to retain the rear axle.
c. Reinforce and/or replace the pickup shoe tabs
d. Add Adjustable brush tension

6.) The axles, gears, gear spacers, guide pin,motor bushings (not ball bearings), tires, and wheels shall be stock or stock replacement. Gears can be lightened and axle spacers may be used to aid with gear mesh. All parts must be readily available.
7.) Any readily available rear tires are permitted.
8.) Vacuum formed bodies must be used provided they meet all general rules.
9.) The guide pin maybe glued in place.
10.) Glues and adhesives are not allowed on the chassis or bulkheads except for attaching body mounts.
11.) Any readily available front bumper may be used.

**Any other modifications not specified will not be allowed**


Modified Car Class Rules

1.) In addition to the Super Stock rule above:
2.) Any Armature shall be legal with a minimum 3 ohm, measured from pole to pole.
3.) Any readily available Ceramic motor magnets and Polymer Traction magnet not above normal gauss readings.
4.) May use ball bearings for motor only

**Any other modifications not specified will not be allowed**

Restricted Open Car Class Rules

1.) In addition to the SS rules and Modified rules above.
2.) Any readily available Polymer motor and traction magnets not above normal gauss readings.
3.) Any Armature allowed.
4.) Chassis maybe sanded on the bottom.
5.) Screws may be used to retain bulkheads or magnet clips
6.) May use ball bearing for motor only

**Any other modifications not specified will not be allowed**

NEO Car Class Rules

1.) In addition to the SS & RO rules above.
2.) Any readily available NEO motor and traction dropin magnets
3.) Shunt wires maybe used
4.) Ball bearings may be used for motor, rear axle and fronts.

**Any other modifications not specified will not be allowed**

TECH INSPECTORS HAVE FINAL SAY, NO ARGUMENTS!

TRACK RECORDS
FOR IHORA
RECORDS
 

TRACK TQ --2 MIN -AVE -- 3 MIN - AVE

MARK'S 2.646 MM --223 3.228 GG --344 TR 3.139

TOM'S 2.615 MM --223 3.228 TR --331 MM 3.262

GLENN's  2.765 MM --141 3.404 MM --220 TR 3.272

GLENN's 2 2.482 GG --156 3.076 MM --240 MM 3.000

MIKE'S 2.297 MM --169 2.84 MM --270 GG 2.666

PETE'S 15.9Lps MM --TR 3.98 --109 4.40 MM –171.14 MM 4.21

AL'S    2.351 MM---228 MM 3.15