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GTP

BODIES:  Only USRA or USSCA bodies will be legal. No cutting or venting of body structure will be permitted. May remove back panel of body, along with front tire area of body side to expose front tires. Otherwise, front tire area to remain clear. Body must be fully painted, including 3-d interior, with three numbers on body. No chassis parts should be visible. Maximum body height at wing is 1 5/8” measured on tech block.

CHASSIS:  All stamped steel USRA approved chassis will be legal. Motor mount may be cut away except for the base portion. No bracing of chassis allowed, except for 1 ¼” rear upright support. No drilling, or other attempts at lightening chassis will be allowed. Manufacturers light pans will be permitted. Bushings only at rear axle; no bearings. Minimum of 1/16” clearance at rear of chassis measured on tech block. There will be no front tech. However, if front of chassis is found to be rubbing on track excessively, you will be asked to raise it. 3 ¼” maximum tech width at wheels.

AXLES:  Front axles shall be .055 minimum, .062 maximum, piano wire or stainless steel. Rear axles will be 3/32” or 1/8” solid steel. No titanium or hollow axles allowed.

GEARS: Any pitch 48 - 80 pitch gears. Slot car gears only.

TIRES & WHEELS:  5/8” “O” ring style metal wheels only on front. Rear wheels will be aluminum, magnesium, or plastic, with a minimum ½” diameter hub. Tires will be minimum .750 black foam. No dyed tires permitted.

MOTORS:  C-can motors, with contender, challenger, competitor, or sportsman, balanced armatures. Bearing allowed in can end only. No shunted brushes. No magnet wire. Brushes must be full width and height. No drilling of brushes permitted.