Improving Power:
* Performance Exhaust System: A free-flowing exhaust system (headers, high-flow catalytic converter, and a less restrictive muffler) reduces backpressure, allowing the engine to breathe more easily and produce more power. This is a relatively cost-effective upgrade.
* Cold Air Intake: A cold air intake system draws cooler, denser air into the engine, improving combustion efficiency and power output.
* Performance Ignition System: Upgrading the ignition system (e.g., with a performance distributor, coil, and wires) can improve spark energy, leading to better combustion and slightly more power.
* Performance Tune/Chip: If your Caprice has a carburetor, a professional carburetor rebuild and tuning can significantly improve performance. If it has fuel injection, a performance chip (if available) can adjust fuel delivery and timing for increased power, but proceed cautiously as this can affect reliability if not done correctly. A custom tune on a dyno is the best option for fuel injection but is more expensive.
Improving Ride Smoothness:
* Suspension Upgrades: This is a major area for improvement. Consider:
* Shocks and Struts: Replacing worn-out shocks and struts with high-quality replacements (possibly adjustable shocks for fine-tuning) will dramatically improve ride comfort and handling.
* Springs: New springs can restore proper ride height and reduce bounce. Consider lowering springs (for a sportier stance, but may negatively impact ride quality) or stock replacements for a comfortable ride.
* Sway Bars: Upgraded sway bars can reduce body roll in corners, improving handling and indirectly contributing to a smoother ride on uneven surfaces. However, stiffer sway bars can make the ride slightly firmer.
* Bushings: Replacing worn-out suspension bushings improves responsiveness and reduces noise and vibration.
* Tires: Upgrading to tires with a higher sidewall height will provide a more comfortable ride. Consider tires specifically designed for comfort rather than performance. Proper tire inflation is also crucial for a smooth ride.
* Wheel Alignment and Balancing: Proper wheel alignment and balanced tires are essential for a smooth and safe ride. Neglecting this can lead to uneven tire wear and a rough ride.
Other Considerations:
* Transmission Service: A thorough transmission service (including fluid change and filter replacement) can improve shifting smoothness and longevity. If the transmission is problematic, a rebuild or replacement might be necessary.
* Steering System: Check the steering components (pump, hoses, rack and pinion or power steering gear box) for leaks or wear. Addressing these issues will contribute to a more precise and comfortable steering experience.
Important Note: Before making any significant modifications, carefully research which upgrades are compatible with your specific 1987 Chevy Caprice model (engine size, transmission type, etc.). Some modifications may require professional installation. Prioritizing the suspension upgrades will likely yield the most noticeable improvement in ride quality. Power upgrades are best done after addressing any mechanical issues and ensuring your suspension and other components are in good condition.
