1987 Porsche 911 CS Supplement to Owner's Manual

The 1987 Porsche 911 CS (Club Sport) is a special edition model featuring enhanced performance characteristics, sport-tuned suspension, lightweight components, and unique styling elements. This supplement provides additional information specific to the CS variant, covering performance specifications, special features, maintenance procedures, and technical details not included in the standard owner's manual.

1. CS Model Overview 2. Performance Specifications 3. Special Features 4. Technical Specifications 5. Controls and Instrumentation 6. Maintenance Schedule 7. Driving Recommendations 8. Safety Features 9. Care & Preservation 10. Warranty Information 11. Troubleshooting

CS Model Overview

The 1987 Porsche 911 CS represents a focused sports car variant with weight reduction and performance enhancements over standard 911 models.

FeatureDescription
Engine3.2L air-cooled flat-six with enhanced performance tuning
Transmission5-speed manual gearbox with sport ratios
SuspensionSport-tuned with lowered ride height
BrakesVentilated disc brakes with upgraded calipers
WheelsFuchs alloy wheels 16x7 front, 16x8 rear
WeightApproximately 100kg lighter than standard 911
InteriorSport seats with reduced sound insulation
ExteriorCS-specific badging and aerodynamic enhancements
Performance0-60 mph in 5.4 seconds
Top Speed152 mph

Performance Specifications

The CS model features significant performance upgrades over the standard 911.

  1. Engine output: 231 hp @ 5900 rpm, 210 lb-ft torque @ 4800 rpm
  2. Compression ratio: 10.3:1
  3. Fuel system: Bosch K-Jetronic fuel injection
  4. Weight distribution: 39% front, 61% rear
  5. Drag coefficient: 0.39

WARNING! High-performance characteristics require experienced driving skills. Always drive responsibly and within legal limits.

Special Features

Power on; familiarize yourself with CS-specific controls and features.

  1. Sport suspension: Firmer damping and springs for improved handling
  2. Lightweight components: Reduced sound deadening and simplified interior
  3. Aerodynamic package: Front spoiler and rear wing for improved stability
  4. Limited-slip differential: 40% locking factor for enhanced traction
  5. Sport exhaust: Reduced backpressure for improved power delivery

CAUTION! Sport suspension provides stiffer ride quality. Adjust driving style accordingly.

Technical Specifications

Controls and Instrumentation

Standard 911 instrumentation with CS-specific calibrations and warning ranges.

Instrument Cluster: Tachometer (redline at 6300 rpm), speedometer, oil temperature, oil pressure, fuel level, coolant temperature (air-cooled system monitoring).

Performance Monitoring: Oil pressure gauge (4-5 bar normal operating range), oil temperature gauge (180-240°F normal range), voltmeter (13-14.5V normal range). Warning Lights: Oil pressure, brake system, alternator, seat belts. CS Features: Sport mode settings, suspension adjustments (if equipped), performance monitoring systems.

Maintenance Schedule

Enhanced maintenance requirements for high-performance CS model.

  1. Oil change: Every 5,000 miles or 6 months
  2. Spark plugs: Replace every 15,000 miles
  3. Valve adjustment: Every 15,000 miles
  4. Brake fluid: Change every 2 years
  5. Cooling system: Inspect every 10,000 miles

Tip: Use only Porsche-approved fluids and genuine Porsche parts for optimal performance.

Driving Recommendations

Optimize performance and longevity with proper driving techniques.

  1. Warm-up procedure: Allow engine to reach operating temperature before hard driving
  2. Shifting: Smooth, deliberate shifts; avoid forcing gear changes
  3. Braking: Progressive pressure; avoid abrupt stops when possible
  4. Cornering: Smooth inputs; respect rear-engine weight bias
  5. High-speed operation: Maintain proper tire pressures and alignment
  6. Engine breaking: Use appropriately for downhill control
  7. Cold weather: Extended warm-up periods required
  8. Track use: Additional cooling and maintenance requirements

WARNING! High-performance capabilities require advanced driving skills. Professional instruction recommended.

Safety Features

Standard 911 safety systems with CS-specific considerations.

Care & Preservation

Special care requirements for CS model components and finishes.

CAUTION! Use only Porsche-approved cleaning products. Avoid abrasive materials on special finishes.

Warranty Information

Porsche AG limited warranty coverage for 1987 models. CS-specific components covered under standard warranty terms. Additional corrosion protection warranty: 10 years against perforation. For warranty service, contact authorized Porsche dealership. Porsche Cars North America, Inc. 2800 South 25th Avenue, Broadview, IL 60155. Customer Assistance: 1-800-PORSCHE.

Troubleshooting

SymptomPossible CauseCorrective Action
Hard startingFuel system/ignitionCheck fuel pressure; inspect spark plugs and wires; verify timing
Oil consumptionNormal for air-cooled engineMonitor level; 1qt/600mi normal; excessive use indicates issues
Gear selection difficultyLinkage adjustmentInspect shift linkage; adjust as needed; check fluid level
Brake vibrationRotor warpingInspect rotors; resurface or replace as necessary
OverheatingCooling systemCheck oil cooler; clean fins; verify thermostat operation

Service: Authorized Porsche dealership only for warranty work.

Technical Support: Porsche Classic Center for vintage model assistance.

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