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Input wanted on Proving Grounds classes

maperformance

New Member
Here is what we're thinking for classes this year, please share your thoughts!

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Heads Up Classes: Pro Tree

The following classes are designed for various types of street legal vehicles. Exotics and other unique platforms may be asked to compete in another class at our discretion.

Real Street / NA (RS/N)

Requirements:
• Must be naturally aspirated
• Tire Restrictions: DOT approved radials only
• Must have full exhaust

King Street / NA (KS/N)

Requirements:
• Must be naturally aspirated
• Tire Restrictions:
o RWD: Slicks up to 26”
o FWD: Slicks up to 24.5”

Real Street / Unlimited (RS/U)

Requirements:
• Turbocharger Restrictions: 58mm maximum inducer
• Maximum of one power adder
• Must have full exhaust
• Tire Restrictions:
o AWD: DOT approved drag radials
o RWD: DOT approved drag radials
o FWD: Slicks up to 24.5”

King Street / Unlimited (KS/U)

Requirements:
• Turbocharger Restrictions: 67mm maximum inducer
• Must have full exhaust
• Tire Restrictions:
o RWD: Slicks up to 26”
o FWD: Slicks up to 24.5”

Outlaw (OUT)

Requirements:
• No tube chassis vehicles, ¾ chassis are acceptable.

The following classes are designed for factory turbocharged vehicles, but NA and factory supercharged vehicles are certainly welcome. Exotics and other unique platforms may be asked to compete in another class at our discretion.

Stock Appearing (SA)

Requirements:
• Stock appearing turbocharger
o Compressor / turbo inlet must be stock size.
o No visible external wastegates
o 2G DSMs may run TD05H variations (14B, 16G, etc).
• Must have stock appearing intake and exhaust manifolds or a factory heat shield rending any upgrade undetectable.
• Front mount intercoolers and upgrades are acceptable
• DOT Radials Only
• Must have full interior & exhaust

Stock Appearing / Unlimited (SA/U)


Requirements:
• Stock frame turbocharger
o External wastegates are acceptable
o Intake and Exhaust manifold upgrades are acceptable
o 2G DSMs may run TD05H variations (14B, 16G, etc).
• Must have full exhaust
• Tire Restrictions:
o AWD: DOT approved drag radials
o RWD: DOT approved drag radials
o FWD: Slicks up to 24.5”

Bracket Classes: Sportsman Tree

The following bracket classes are for participants that may not fit into one of our elimination classes or prefer to race in a bracket style format. Use the time trials and qualifying sessions to hone in on your dial in and make sure to write it on your window prior to eliminations! Competitors in these classes must pass a general safety inspection.

Bracket 1 (B1): 13.99+
Bracket 2 (B2): 12.00-13.99
 
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