Introduction
This document details user experiences with the Ironman Foam Cell Pro suspension upgrade, re-valved for improved on-road and off-road performance. The reviews highlight improvements in handling, ride comfort (both loaded and unloaded), and the ability to handle challenging terrain without fading.
Problem
The original suspension on the Toyota Prado exhibited excessive body roll, nose diving under braking, and a general “wallowy” feel, particularly when loaded or driven on rough roads. Standard gas shocks were reported to fade and lose effectiveness when subjected to heat buildup during demanding off-road conditions.
Solution
Installation of the Ironman Foam Cell Pro shocks, re-valved by Whitey, provides a significant improvement in handling and ride quality. The updated suspension offers:
- Reduced body roll and nose dive.
- Improved stability and composure in corners and under braking.
- Enhanced comfort over bumps and corrugated surfaces.
- Consistent performance under heavy loads and demanding conditions.
- Resistance to fade, maintaining control even when hot.
Relevant Parts
- Front Springs: Dobinson 352
- Rear Springs: Dobinson 327
- Rear Airbags: Polyair (Pressure mentioned: 5psi, though adjustment based on load is recommended.)
- Shocks: Ironman Foam Cell Pro (re-valved by Whitey)
Ride Height
- Rear: Approximately 830-835mm (after settling).
- Front: Approximately 775-780mm (after settling, adjustable with a C-spanner).
Note: Ride height can vary slightly depending on fuel load, accessories, and vehicle configuration.
Installation Notes
- Professional installation is recommended, particularly if access to a hoist is unavailable.
- Wheel alignment is required after installation.
- Springs will settle after installation, requiring a potential front height adjustment.
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