Carpet Track Rules

Chassis and body

• Any-era 1/10 touring chassis with independent suspension; 4WD and FWD are eligible.
• Use a detailed 190 mm or 200 mm race-style body. Molded wings are open; Lexan wings and side dams may be no taller than 10 mm.

Power and tires

• Motiv GRC2000 fixed-timing 21.5 motor with open final drive ratio.
• ESC must operate in blinky mode with boost and turbo disabled.
• Gravity GRC123 belted spec tires; only the production-mold ridge may be removed.
• Hard-case 2S LiPo, maximum 8.4 V.

Dimensions

• Minimum ride height: 5 mm.
• Minimum 4WD weight: 1350 g. FWD has no minimum weight.

VTA-spec cars may join USGT; a separate VTA class may be offered when attendance supports it.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

Chassis and body

• Any-era 1/10 4WD touring chassis with four-wheel independent suspension.
• Body must represent a car raced in the full-size LMH category and appear on the applicable ROAR-approved LMH list.

Power and tires

• ROAR-legal 25.5 brushless motor; timing is permitted, but non-ROAR rotors are not.
• Blinky-mode ESC with boost and turbo disabled.
• Any 1/10 touring-car rubber tire.
• Hard-case 2S LiPo, maximum 8.4 V.

Dimensions

• Minimum ride height: 5 mm.
• Minimum race-ready weight: 1320 g.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• 1/10 4WD or FWD touring chassis, maximum 190 mm track width, with independent suspension.
• ROAR-legal 21.5 brushless motor; timing is allowed, but non-ROAR rotors are not.
• ROAR-approved ESC in blinky mode.
• Any 1/10 touring-car rubber tire and a ROAR T2-approved 190 mm sedan body.
• Hard-case 2S LiPo, maximum 8.4 V.
• Minimum ride height: 5 mm. Minimum weight: 1320 g.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• RWD 1/12 pan-car chassis with a single solid drive axle.
• ROAR-legal 17.5 motor; timing is permitted, while D3.5 and non-ROAR rotors are excluded.
• ROAR-approved ESC in blinky mode.
• Blue- or purple-striped 1/12 foam tires.
• Hard-case 1S LiPo, maximum 4.20 V.
• Can-Am, GTP, or WSC-style body.
• Minimum ride height: 3 mm. Minimum weight: 730 g.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• 1/10 4WD or FWD touring chassis, maximum 190 mm track width, with independent suspension.
• Gravity fixed-timing 25.5 motor at 30 degrees and a ROAR-approved blinky ESC.
• Front- and rear-specific CVTA tires must retain their tread pattern.
• Use a 1960s–1970s Trans Am-style body that fits the chassis; a driver figure is encouraged.
• Hard-case 2S LiPo, maximum 8.4 V.
• Minimum ride height: 5 mm. Minimum weight: 1425 g.

USVTA-spec cars run with CVTA as a combined class.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• RWD 1/10 Formula chassis with a maximum 270 mm wheelbase.
• ROAR-legal 25.5 motor; timing is permitted.
• ROAR-approved ESC in blinky mode.
• Any rubber Formula tire.
• Lexan F1 body with rigid plastic front and rear wings.
• Hard-case 2S LiPo, maximum 8.4 V.
• Minimum ride height: 4 mm. Minimum weight: 1020 g.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• Direct-drive, solid-axle 1/12 2WD pan-car chassis.
• GT or LMH-style body designed for a 1/12 chassis.
• Motiv GRC2000 fixed-timing 21.5 motor.
• Blinky-mode ESC with boost and turbo disabled.
• SJT or Gravity treaded rubber tires.
• ROAR-approved 1S battery, maximum 4.20 V.
• Minimum ride height: 3 mm. Minimum weight: 750 g.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

Core specification

• Stock TT01, TT01E, or base TT02 chassis; performance variants are excluded. Confirm kit eligibility before purchase.
• OEM Tamiya ESC or Hobbywing QuicRun 1060, and the Tamiya 540 Torque Tuned brushed motor.
• Gravity USGT belted pre-glued tires on grey Edge wheels.
• Approved realistic body with its original molded plastic wing.
• Full-size hard-case 2S LiPo up to 8000 mAh and 8.4 V; no shorty, soft-case, or high-voltage packs.
• Minimum weight: 1450 g.

Chassis limits

• Use kit friction dampers and springs. Differentials must remain functional and unlocked.
• TT01 gearing: 19T pinion with 61T kit spur. TT02 gearing: 22T pinion with 70T kit spur.
• Permitted reliability changes include hex screws, bearings, battery connectors, careful battery-clearance trimming, slop-removal shims, and tire gluing.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• 1/10 4WD or FWD touring chassis, maximum 190 mm track width, with independent suspension.
• Any brushless motor with timing permitted.
• ROAR-approved ESC in blinky mode.
• Any 1/10 touring-car rubber tire and a ROAR T2-approved 190 mm sedan body.
• Hard-case 2S LiPo, maximum 8.4 V.
• Minimum ride height: 5 mm. Minimum weight: 1320 g.

This optional class normally requires at least four entries.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• 1/10 4WD or FWD touring chassis, maximum 190 mm track width, with independent suspension.
• ROAR-legal 17.5 motor; timing is permitted, while D3.5 and non-ROAR rotors are excluded.
• ROAR-approved ESC in blinky mode.
• Any 1/10 touring-car rubber tire and a ROAR T2-approved 190 mm sedan body.
• Hard-case 2S LiPo, maximum 8.4 V.
• Minimum ride height: 5 mm. Minimum weight: 1320 g.

This optional class normally requires at least four entries.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• Stock TT01 or TT01E chassis with Mann Cabover or Buggyra body and no added wing.
• OEM Tamiya ESC and Tamiya 540 Torque Tuned brushed motor.
• Use supplied wheels and tires without alternate inserts or stuffing.
• Full-size hard-case 2S LiPo up to 8000 mAh and 8.4 V; no shorty, soft-case, or high-voltage packs.
• Kit friction dampers and functional, unlocked differentials are required.
• TT01 gearing: 19T pinion with 61T kit spur. TT02 gearing: 22T pinion with 70T kit spur.
• Weight is box stock.

This optional class normally requires at least four entries.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.

• Tamiya M03, M04, M05, or M06 chassis using the kit internal gearing.
• ROAR-legal 17.5 motor; timing is permitted, while D3.5 and non-ROAR rotors are excluded.
• ROAR-approved ESC in blinky mode.
• Tamiya 60D rubber tires and inserts. Other rims are permitted only when the mounted size remains equivalent.
• Any body made for the M-chassis.
• Hard-case 2S LiPo, maximum 8.4 V.
• Minimum ride height: 5 mm; no minimum weight.

This optional class normally requires at least four entries.

Reference specification: R/C Scoring 2025/2026 rules. GFX Racing may publish local clarifications in later revisions.