Track Owners Association, Inc.

SLOT CAR RACING
CLASS GUIDELINES
CLASS CHASSIS MOTOR BODY GEAR AXLES
Front
AXLES
Rear
TIRES
Front
TIRES
Rear
Inline 32 Stamped and formed
Brass or Steel

See General

See Motor Chart 16-D Any 1/32" scale
including wedge style

No ultra wide

48 pitch plastic 1/8" solid steel 1/8" solid steel No Independent .750 min O.D.
black only
.750 min. O.D.
.810 max width
black only
Sidewinder 32
overall width 2.5"
Stamped and formed
Brass or Steel

See General

See Motor Chart 16-D Any 1/32" scale

Scale appearance encouraged

any .047 min. solid steel 3/32" solid steel .500 min O.D. .630 max width
black only
Novice 10 Stamped and formed
Steel

See General

See Motor Chart Novice 10 Track Owner's option

No air control devices

48 pitch plastic .062 min. solid steel 1/8" solid steel .500 min O.D. .750 min. O.D.
.810 max width
black encouraged
Expert 10 Stamped and formed
Steel

See General

See Motor Chart Novice 10 Track Owner's option

No air control devices

48 pitch plastic .062 min. solid steel 1/8" solid steel .500 min O.D. .750 min. O.D.
.810 max width
black encouraged
Pro 10 Stamped and formed
Steel

May solder U shaped brace to rear up rights

Hotwind soldered to chassis optional

Pin tubes are allowed in original body mount position

See Motor Chart Pro 10 Track Owner's option

No air control devices

any .047 min. solid steel 3/32" or 1/8" solid steel .500 min O.D. .750 min. O.D.
.810 max width
black encouraged
Stock Car
(4" wheel base)
Stamped and formed
Steel

See General

See Motor Chart 16-D See General

Roof height min. 1 9/16" from track surface to center of roof, not including roof ribs.
min. 1/8" bumpers.
max. 3/8" rear spoiler.

48 pitch plastic .062 min. solid steel 1/8" solid steel .500 min O.D. .750 min. O.D.
.810 max width
black encouraged
Stock Car
(4 1/2 wheel base)
Stamped and formed
Steel

See General

See Motor Chart 16-D (Super 16-D optional for pro drivers) See General

Roof height min. 1 7/8" from track surface to center of roof, not including roof ribs.
min. 1/4" bumpers.
max. 3/8" rear spoiler.
wheel wells must be cut out fully

48 pitch plastic 3/32" or 1/8" solid steel 1/8" solid steel .812 min O.D. .400 min width
black only
.812 min. O.D.
.810 max width
black only
Sports Car
(WSC)
Stamped and formed
Steel

May solder U shaped brace to rear up rights

Hotwind soldered to chassis optional

Pin tubes are allowed in original body mount position

See General

See Motor Chart Super 16-D See General

min. front 1/8" vertical
min. rear 1/4" vertical
molded detail must be retained

any .047 min. solid steel 3/32" or 1/8" solid steel .600 min O.D. .750 min. O.D.
.810 max width
black only
Stock 12 Group 12 chassis

See General

See Motor Chart Stock 12 Track Owner's option any original size solid steel 3/32" solid steel .500 min O.D. .750 min. O.D.
.810 max width
Pro 12 Group 12 chassis

See General

See Motor Chart Pro 12 Track Owner's option any original size solid steel 3/32" solid steel .500 min O.D. .750 min. O.D.
.810 max width

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