Spec 4Tec
INFO / RULES
Spec 4Tec Rules
Vehicle:
- Traxxas 4Tec 2.0 with Brushed Motor and XL-5 ESC
- The car should remain in stock configuration
- Transmitter, Receiver and Servo may be changed
- Gearing may be chaged
- Oils may be changed
- Traxxas tuning springs are allowed
- No other modifications are allowed
Minimum Weight
- No minimum weight rule.
- Receiver box may be removed.
- No other alterations to decrease weight are permitted
- Ballast weights are allowed and must be securely mounted to the car
Minimum Ride Height
Motor
- Stock Traxxas Titan 12-Turn Brushed Motor
- Motor leads may be changed
- Absolutely no other changes to the motor allowed
ESC
- Stock Traxxas XL-5 ESC
- Battery connector may be changed
Battery
- Any hardcase 2S LiPo or Traxxas LiPo battery
- No visible defects, extreme puffing, cracked case, etc
- Max charge voltage is 8.40v
Body
- GT & VTA style bodies only
- No LMP, Touring Car, or other Prototype bodies
- Must be a licesed replica, or closely modeled for a production passenger car
Tire
- Gravity RC USGT Tires or Stock Traxxas 4Tec Tires only
- Belted or Non-Belted Allowed
- Stock Traxxas 4Tec Tires must be mounted on the stock wheels
- USGT tires may be mounted on any 24-26mm wheel. Must use inserts provided with the tires
- SXT 3.0 Traction Compound Only
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5 min |
5 min |
5 min |
5 min |
5 min |
5 min |
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4 qualifiers - 5 minutes each. 8 car mains + 2 Bumps.
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Vintage Trans-Am (VTA)
INFO / RULES
ProtoForm / Gravity / HPI VTA Tires.
USVTA Rules
Driver figure not required
SXT 3.0 Traction Compound ONLY
Max Battery Charge: 8.40v |
5 min |
8 min |
8 min |
8 min |
8 min |
8 min |
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4 qualifiers - 5 minutes each. 8 car mains + 2 Bumps.
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25.5 Touring Car
INFO / RULES
Gravity Type-C
ROAR Rules
SXT 3.0 Traction Compound ONLY
Max Battery Charge: 8.40v |
5 min |
5 min |
5 min |
5 min |
5 min |
5 min |
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4 qualifiers - 5 minutes each. 8 car mains + 2 Bumps.
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21.5 Touring Car
INFO / RULES
Gravity Type-C
ROAR Rules
SXT 3.0 Traction Compound ONLY
Max Battery Charge: 8.40v |
5 min |
5 min |
5 min |
5 min |
5 min |
5 min |
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4 qualifiers - 5 minutes each. 8 car mains + 2 Bumps.
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Modified Touring Car
INFO / RULES
Gravity Type-C
ROAR Rules
SXT 3.0 Traction Compound ONLY
Max Battery Charge: 8.40v |
5 min |
5 min |
5 min |
5 min |
5 min |
5 min |
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4 qualifiers - 5 minutes each. 8 car mains + 2 Bumps.
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GT-12 *USGT 21.5 30deg motor / SJT Tires / GT Body / Functional Diff Required / Fixed Gear (56/72 or 49/63)*
INFO / RULES
SJT Rubber 1/12 Tires
ROAR Rules for Chassis, Battery & Electronics
- Gravity USGT 21.5T (30deg) Motor
- SJT Tires
- 730g Weight
- Any 1/12 GT-Style Body
- Functional Differential Required (No spools!)
- Fixed Gearing (56/72 or 49/63)
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8 min |
8 min |
8 min |
8 min |
8 min |
8 min |
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4 qualifiers - 8 minutes each. 8 car mains + 2 Bumps.
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17.5 1/12 Scale
INFO / RULES
Any Purple or Blue Stripe Spec Tire
ROAR Rules
SXT 3.0 Traction Compound ONLY
Max Battery Charge: 4.20v |
8 min |
8 min |
8 min |
8 min |
8 min |
8 min |
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4 qualifiers - 8 minutes each. 8 car mains + 2 Bumps.
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13.5 1/12 Scale
INFO / RULES
ROAR Rules
SXT 3.0 Traction Compound ONLY
Max Battery Charge: 4.20v |
8 min |
8 min |
8 min |
8 min |
8 min |
8 min |
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4 qualifiers - 8 minutes each. 8 car mains + 2 Bumps.
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