The 1990 Nissan Skyline, known as the R32 generation, is a legendary sports car that demands proper maintenance and occasional upgrades to keep its handling sharp. The front suspension is a critical system that affects steering feel, ride comfort, and overall performance. Whether you’re restoring a stock Skyline or building a track car, understanding the available front suspension parts is essential. This guide covers the key components, replacement options, performance upgrades, and common issues to help you make informed decisions.
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Understanding the 1990 Nissan Skyline Front Suspension
The R32 Skyline uses a multi-link front suspension design with MacPherson struts. This system provides a good balance of comfort and handling, but like any 30+ year-old car, parts wear out. The front suspension consists of struts, springs, control arms, ball joints, tie rods, sway bars, and bushings. Each component plays a role in alignment, damping, and stability.
OEM vs Aftermarket Parts
When sourcing parts, you have two main options: OEM (Original Equipment Manufacturer) from Nissan or aftermarket replacements. OEM parts are direct fit and maintain factory specifications but can be expensive and sometimes discontinued. Aftermarket parts offer a wider range of prices, materials, and performance levels. For example, polyurethane bushings last longer than rubber ones but add vibration. Aftermarket struts may feature adjustable damping for track use. Consider your driving needs—daily driver vs track car—before choosing.
Key Front Suspension Components
- Struts and Shocks: The front strut assembly includes the shock absorber and spring. Worn struts cause bouncing, poor braking, and uneven tire wear. Replacement options include OEM Nissan, KYB, Monroe, or high-performance coilovers.
- Control Arms: The R32 has upper and lower control arms. Lower control arms often have ball joints and bushings that wear out. Upgraded arms can provide more caster or camber adjustment.
- Ball Joints and Tie Rod Ends: These are wear items that cause clunking and loose steering. Use OEM or quality aftermarket like Moog.
- Sway Bar and End Links: The front sway bar reduces body roll. Upgrading to a thicker bar with poly bushings improves cornering. End links should be replaced if they have play.
- Bushings: Rubber bushings deteriorate over time. Polyurethane or solid aluminum bushings (for race cars) firm up the suspension but increase noise.
Performance Upgrades and Replacements
If you want better handling, several upgrade paths exist. Start with worn parts, then consider improvements.
Coilover Options
Coilovers replace the strut and spring with a single adjustable unit. They offer height adjustment and often damping adjustability. Popular brands for the R32 include Tein, HKS, BC Racing, and Ohlins. For street use, a coilover with 16-32 way adjustable damping works well. Track cars may prefer monotube designs with higher spring rates. Be aware that very stiff setups compromise ride quality.
Control Arm Upgrades
Aftermarket control arms can provide more alignment adjustment. Adjustable upper arms (if applicable) allow camber tuning. For the R32, Ikeya Formula and GKTECH make solid arms. These are beneficial if you lower the car and need to correct alignment.
Sway Bar Upgrades
A thicker front sway bar reduces body roll without increasing spring stiffness. Whiteline and SuperPro offer adjustable bars with different stiffness settings. Pair with polyurethane bushings for best results.
Common Issues and Maintenance Tips
- Clunking Noise: Often due to worn ball joints, tie rods, or control arm bushings. Check lower ball joints first.
- Uneven Tire Wear: Indicates alignment issues, often from worn bushings or bent struts.
- Leaking Struts: If you see oil on the strut body, it needs replacement.
- Vibration at Highway Speeds: Could be a bent tie rod or worn struts.
Regular inspection every 50,000 miles is recommended. If you buy used parts, ensure they are not damaged. Always get a professional alignment after replacing front suspension components.
Compatibility with the 1990 Nissan Skyline (R32)
The 1990 model is part of the R32 series produced from 1989 to 1993. Parts may differ between GT-R, GTS-t, and GTS models, especially brakes and struts. GT-R has thicker sway bars and different knuckles. Always verify part numbers before purchasing. Many aftermarket parts are specifically listed for R32, but some cross-reference with R33 or R34, though modifications may be needed.
Final Recommendation
For a 1990 Nissan Skyline that sees street use, replace worn suspension parts with OEM-quality components for a like-new ride. If you want improved handling without sacrificing too much comfort, install a set of street-oriented coilovers (e.g., BC Racing ER series), polyurethane sway bar bushings, and a front sway bar upgrade. For track-focused cars, invest in adjustable arms and race-spec sway bars. Always prioritize safety: use reliable brands like KYB, Moog, or Tein, and have the work done by a competent mechanic if you’re not experienced.
Take it step by step. Start with a thorough inspection of your current parts, then decide what needs immediate replacement versus what can wait for an upgrade. Your Skyline will reward you with crisp steering and balanced cornering when the front suspension is in top shape.