LB9 (Tuned Port Injection) or similar V8 options for GM B-body platform
Bore X Stroke:
3.736 in x 3.48 in (94.89 mm x 88.39 mm) for 5.0L
Compression Ratio:
Approximately 8.5:1 to 9.0:1 (varies by specific engine code)
Performance
Horsepower:
Approximately 170-180 hp (varies by specific engine code)
Torque:
Approximately 260-270 lb-ft (varies by specific engine code)
Fuel System
Fuel Delivery:
Multi-Port Fuel Injection (MPFI) or Throttle Body Injection (TBI) depending on specific engine option
Fuel Type:
Unleaded Gasoline
Fuel Pressure:
Typically 10-15 psi for TBI, 35-45 psi for MPFI
🔧 Transmission
Standard
Transmission Type:
4-Speed Automatic
Transmission Model:
4L60
Features
Overdrive:
Yes (4th gear)
Torque Converter Lockup:
Yes
Fluid Type:
Dexron-III (or equivalent ATF)
📐 Dimensions
Exterior
Wheelbase:
Approximately 116 inches (2946 mm)
Overall Length:
Approximately 214.5 inches (5450 mm)
Overall Width:
Approximately 78.2 inches (1986 mm)
Overall Height:
Approximately 57.5 inches (1460 mm)
Weights
Curb Weight:
Approximately 4200-4500 lbs (1905-2041 kg)
Gross Vehicle Weight Rating Gvw R:
Approximately 5700-6000 lbs (2585-2722 kg)
🛡️ Safety Features
Ratings
NHTSA Frontal Impact Rating:
Not specifically rated by NHTSA in modern standards; design pre-dates comprehensive standardized testing
Active Features
ABS:
Optional Anti-lock Braking System (ABS) on front wheels, potentially all four depending on model configuration
Passive Features
Airbags:
Driver-side airbag standard
Seat Belts:
Three-point front and rear seat belts
Child Safety:
Child seat anchor points (LATCH system not standard in this era)
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM stereo with cassette player, optional premium sound system.
Climate Control:
Manual or optional automatic climate control systems.
Driver Assistance
Cruise Control:
Standard or optional cruise control.
Connectivity
Connectivity Features:
None (pre-modern infotainment era)
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used.
Transmission Fluid Change Interval:
Every 30,000-60,000 miles or as recommended by the manual, especially under severe use.
Coolant Flush Interval:
Every 30,000-50,000 miles or 2-4 years.
Spark Plug Replacement Interval:
Approximately 30,000-60,000 miles, depending on spark plug type (conventional vs. platinum).
Fluid Specifications
Engine Oil Viscosity:
SAE 5W-30 or 10W-30 recommended (check owner's manual for specific engine)
Engine Oil Capacity:
Approximately 5 quarts (4.7 L) with filter change
Coolant Type:
Conventional Green Ethylene Glycol based coolant (50/50 mix with distilled water)
Brake Fluid Type:
DOT 3
Known Issues
Common Problems:
Fuel pump failure, dashboard gauge cluster issues (e.g., intermittent operation), catalytic converter clogs, aging suspension components (bushings, ball joints), potential rust on body panels, power window regulator failures.
Engine Idling Problems:
Can be related to vacuum leaks, clogged fuel injectors, or faulty Idle Air Control (IAC) valve.
Electrical Gremlins:
Common in vehicles of this age due to wiring harness degradation and connector corrosion. The manual's wiring diagrams are invaluable for diagnosis.
📚 Vehicle History
Brand Heritage
Marque Legacy:
Oldsmobile was a pioneering American automobile division of General Motors, known for innovation and comfort-oriented vehicles.
Model Evolution
Custom Cruiser Lineage:
The Custom Cruiser was Oldsmobile's flagship full-size station wagon, evolving through several generations on GM's B-body platform.
1992 Model Year Significance:
Marked the final year of the B-body station wagon platform before its discontinuation, representing a classic era of American family transport.
Production
Manufacturing Location:
United States (primarily GM assembly plants)
Production Years:
1971-1992 (as a distinct model nameplate on the B-body platform)
🏆 Awards & Recognition
Recognitions
Industry Awards:
While specific awards for the '92 model are not widely documented, the B-body platform it utilized was lauded for its spaciousness and comfortable ride, making it a popular choice for families and long-distance travel.
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