This document provides information regarding tilt angles and aftermarket gauge options for the Toyota Prado 120 series, as well as factors affecting vehicle stability.
Problem
Determining safe operating angles for a Prado 120, especially after modifications like a 2-inch lift, and finding a suitable tilt gauge that integrates well with the vehicle’s interior.
Solution
- Tilt Angle: A stock Prado 120 can handle a side slope of approximately 40 degrees before rollover. However, the driver will likely feel uncomfortable well before this limit is reached. The maximum safe angle depends on factors like suspension, tires, weight distribution, and roof racks.
- Gauge Options: The instrument cluster from an FJ Cruiser, which includes tilt gauges, may be compatible with the Prado 120’s wiring harness. Further investigation is required to confirm compatibility and obtain pricing.
Relevant Factors Affecting Stability
- Combined Climbs/Descents and Side Slopes: Situations like climbing a hill and turning around, instead of backing down, increase rollover risk.
- High Articulation: When one wheel is significantly off the ground, weight transfer can reduce the safe side slope angle.
- Modifications: Suspension lifts and other modifications will alter the center of gravity and affect the safe tilt angle.
Relevant Parts
- FJ Cruiser Instrument Cluster (containing tilt gauges): Compatibility with Prado 120 wiring harness needs verification.
Other Specifications
- Factory minimum ground clearance: 207mm (This specification is for a stock vehicle, and can be affected by suspension, tires, weight and roof racks)
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