Trans Am Class Rules - 1" wide

America's Road Racing Series from the 1960's-1970's. Narrow widths requires handling and driving skills.  Get your favorite Muscle Car and line it up. 

Chassis Specifications
Maximum tech width= 1.000" 

Only Aurora or Model Motoring copper T-jet chassis
Chassis must remain stock without modifications

No venting, lightening or trimming allowed

Chassis gear plate rails maybe trimmed except under clip

No weight maybe added to chassis

No metal bearings allowed

Guide Pin maybe glued

Armature  

Any stock Aurora T-jet or Model Motoring armature 

Grey tip 2 lam is allowed. 

Minimum ohm of 16 

Armature can be balanced and trued

No Rewinds or De-winds allowed.

Electrical System  

Stock copper chassis - no modifications
Brushes - flat copper open (maybe scored)
Any copper pickup shoe allowed, no ski shoes (maybe restricted)

Magnets
Original TJet Aurora magnets- Green/White, Green/Orange, Black/Black, Black/Black with White Stripe and OS3 "Red Dragon" only - no modifications.
Magnets may be shimmed with plastics or non-ferrous metal.

No killer bee magnets.
 

Gears 

Aurora or Model Motoring Brass - stock or stock replacement 

Beveled gears are not allowed 

Gears may be polished/sanded 

Shimming is allowed with plastic or non-ferrous material Stock Aurora crown gear or any other aftermarket crown gear for 9-tooth pinion.
9 tooth pinion only
Crown gear can be aftermarket no smaller than .300 inch

Axles and Wheels
JW's or DCM's aluminum or brass wheels sets or equivalent are allowed

(JW W01A-1 or W01B-1 and DCM-1 Aluminum)
No mix and match aluminum hubs with brass hubs
Front hub insides maybe sanded to clear pick-up shoes.
Shimming allowed with brass or plastic

Tires
Minimum front tire height= .320 inch
O-rings or aftermarket tires are allowed
Silicone rear tires are allowed

Minimum rear tire height= .350 inch

Maximum rear tire width= .117 inch

Bodies
Trans-Am era with 3 numbers
Any Aurora, Dash, RRR, Autoworld, Johnny Lightning, 

Bodies limited to vintage Trans Am Series Bodies: Mustang, Firebird, Camaro, Cougar, Javelin (AMX), Barracuda, Challenger,  Falcon and 64 GTO.
Bodies may be trimmed on the inside only
Must maintain a weight of at least 3.5 grams with body screws in place.
Weight cannot be added to body or chassis.
Cars must have front and rear glass or rear louvre.
No cutting of wheel wells or any other modification to the outside of the body.

Two screws are required.