5.30 Index

 5.30 INDEX

Class Definition

• Small tire index class focused on consistency and driver skill
• Structured around index racing, not heads-up performance competition

Race Format

• 1/8 mile racing
• .400 Pro Tree
• 5.30 index
• Each racer will receive a torn timeslip showing only their times 
• Chip draw each round
• Open qualifying for all competitors
• All qualified competitors will compete in eliminations

Breakout Rule

• 5.30 is a hard index
• Running quicker than 5.30 during eliminations results in disqualification for that round

Eligibility and Verification

• Must be a full-bodied door car
• Must return from a pass under its own power
• Subject to verification at any time by event staff

Chassis and Body

• Factory-based chassis required
• Full-bodied vehicle required

Tires and Wheels

• Maximum tire size limited to:
  
  • 275 radial
  • 28×10.5 slick
• Tire size verified by sidewall designation only
• Motorcycle tires not permitted

Engine and Power Adders

• Any engine combination permitted
• Turbochargers permitted
• Superchargers permitted
• Nitrous permitted

Fuel and Fuel System

• All fuel types permitted
• Any fuel system permitted
• Any fuel location permitted

Cooling System

• Water only
• No coolant or additives permitted

Oiling System

• Engine diaper or catch pan required for vehicles running 9.99 or faster

Electronics

• Aftermarket ECU permitted
• No delay boxes permitted
• No throttle stops permitted
• No automated reaction-time devices permitted

Safety Equipment

• NHRA safety rules apply based on vehicle performance

Fluids and Track Containment

• Water only in all cooling systems
• Any vehicle leaking fluids onto the racing surface will be removed from competition

Return from Pass

• Vehicles must return from a pass under their own power unless directed otherwise

Staging and Readiness

• Vehicles must be ready to run when called
• Failure to report may result in loss of the run or disqualification

Technical Inspection

• All vehicles are subject to inspection at any time

Conduct and Operation

• All participants must follow staff direction at all times
• Unsafe behavior may result in removal from the event

Final Authority

• All technical inspections, rule interpretations, and competition decisions are subject to final determination by race officials
• All decisions are final