Implementing the 2025 Zone 8 Rules
Zone 8

Add Your Car. Find Your Class.

Petrol Blau

1978 // 928
PDF

Adam Cultraro #603
Orange Coast
09-03-2023

Car Class

CC18

Base Points

239

Tire Size Points

249

Performance Points

1041

Total Points

1529

1250+ points

Note: While not represented here, Ladies versions of these classes are available.

STD Front Wheel(in)

7

STD Rear Wheel(in)

7

Horsepower

219

Weight

3351

Mid-engine Points

0

Adjustment Points

0

Displacement

4474

Raw Base Points

239

Street Stock

Modifications: Not eligible for Street Stock based on modifications
Tires: Running tires that are ineligible for Street Stock

Tire Size

Points
Section width of Front Tire(mm): 304
Section width of Rear Tire(mm): 355
249

Performance Equipment

Points
Yes Tread Wear: 0 -- Slicks or other Non-DOT Tires (140 pts) 140
Points
No 944, 964, 986, 993, 996 equipped with a US specification M 030 suspension package or 993 Turbo/4S suspension package (to a 993) or 987 Boxster Spyder and Cayman R suspension package (to a 987) or 981 X73 Sports Suspension (to a 981) (springs, struts/shocks, and sway bars) in its entirety with original factory parts (at the factory or after the fact). (20 pts) 0
No Cars equipped with a 968 M030, 718 or 981 Boxster Spyder, or a 991 Speedster performance package (springs, struts/shocks, sway bars, standard brakes) in its entirety with original factory parts (at the factory or after the fact). (40 pts) 0
No Cars equipped with a 996/997/991/992 Turbo/GT2/GT3/911 Sport Classic (exc. 997.2/991/992 GT2RS/GT3RS) or 718/981 Cayman GT4 (exc. 718 Cayman GT4RS) performance package (to a 996, 997, 991, 992, or 718 or 981 Cayman, respectively) (springs, struts/shocks, sway bars, standard brakes, aero) in its entirety with original factory parts (at the factory or after the fact). (60 pts) 0
No Cars equipped with a 997.2/991/992 GT2RS or GT3RS or 718 Cayman GT4RS/Boxster Spyder RS performance package (to a 997.2, 991, 992 or 718 Cayman/Boxster respectively) (springs, struts/shocks, sway bars, standard brakes, aero, gearing) in its entirety with original factory parts (at the factory or after the fact). (80 pts) 0
Points
Yes Increase in track of over 2 inches (20 pts) 20
No Non-stock Shock Tower stiffening Device (10 pts) 0
No Suspension Changes to lower a Car that require Machining, Welding, etc. or their equivalent. (10 pts) 0
Yes Any change to the suspension components or mounting points to increase available negative camber (20 pts) 20
Yes Installation of Monoball suspension bushings or equivalent (10 pts) 10
No Stock or non-stock PASM (Porsche Active Stability Management) (includes accompanying factory springs, shocks), whether or not activated (20 pts) 0
No Stock or non-stock Rear Axle Steering (10 pts) 0
No Tube Frame (100 pts) 0
Points
Non-stock Springs/Torsion Bars:
No Factory, within Model Series (15 pts) 0
Yes Other Factory or After Market (30 pts) 30
Points
Non-stock Sway Bars:
No Any non-stock fixed/non-adjustable sway bar (10 pts) 0
Yes Any non-stock adjustable sway bar, or PDCC (20 pts) 20
Points
Yes Non-stock Shock Absorbers with Remote or External Reservoirs, or with more than Single-mode Adjustability (20 pts) 20
Points
Yes Upgraded Brakes (20 pts) 20
Points
Non-stock Wing and/or Front Lip and/or Spoiler:
No Factory, within Model Series (10 pts) 0
No Other Factory, not within Model Series (20 pts) 0
Yes Any After Market (including canards, strakes, and diffusers) (40 pts) 40
Points
Yes Stock or non-stock Limited Slip, Torsen/Torque-sensing differential, or PTV/PTV Plus (20 pts) 20
No Non-stock Gears and/or Ring Pinion that lower the final drive ratio (40 pts) 0
No Stock or Non-stock PDK Transmission (15 pts) 0
Points
No Removal or Alteration of Windshield--other than replacement with Lighter Materials (60 pts) 0
Points
No Induction System Modifications (40 pts) 0
No Non-stock Heads (50 pts) 0
No Non-stock Camshaft (50 pts) 0
No Added Turbo or Super-charger (150 pts) 0
No Increased/Adjustable Boost or Wastegate/Turbo Modifications (100 pts) 0
No Headers / Non-stock exhaust manifold (5 pts) 0
No Non-stock Muffler or Muffler removed (5 pts) 0
No Catalytic Converter removed (5 pts) 0
Points
No New displacement (cc): N/A 0
Yes New Total Horsepower: 570
Measured with a Dynojet Dyno -- Stick shift and 2WD vehicle
Yes New Vehicle Weight: 2700
Horsepower/Weight Modification Points 701
Total 1041

All listed performance equipment is as reported by the driver

Required Safety Equipment based on Performance Equipment Points

The required safety equipment for 1041 Performance Equipment points is highlighted here. Please see the zone rules for a complete discussion of safety requirements.

Autocross

0-399 Performance Equipment Points

  • Approved Helmet
  • Seat belts
  • Open-ended steel lug nuts for cars with non-stock wheel spacers that use lug nuts and wheel studs*

400+ Performance Equipment Points

  • Open-ended steel lug nuts are required for all cars that use lug nuts and wheel studs*
  • Roll bar or cage is required for open cars (except Boxster, 996, 997, 991 & 992 Cabriolets)

Time Trial & DE

0-199 Performance Equipment Points

  • Approved Helmet
  • Seat belts
  • Open-ended steel lug nuts for cars with non-stock wheel spacers that use lug nuts and wheel studs*
  • Roll bar or cage is required for open cars (except Boxster, 996, 997, 991 & 992 Cabriolets) for track events (not for parking lot events)

200-399 Performance Equipment Points

  • Fire extinguisher
  • 5 or 6 point harness and an approved Head & Neck restraint system
  • Roll bar or cage is required for all open cars (including Boxster, 996, 997, 991 & 992 Cabriolets) for all venues

400+ Performance Equipment Points

  • Roll bar or cage is required for all cars (all venues)
  • Open-ended steel lug nuts are required for all cars that use lug nuts and wheel studs*
  • Tow hook or strap is required for all cars
  • Approved Driving suits, gloves, socks and boots are required

*In these cases, cars with lug bolts should be converted to wheel studs and lug nuts