🚗 Classic Fault — Triumph FK/FM (1962–1980)
Triumph Spitfire swing-axle rear oversteer — camber change
💰 Estimated Repair Cost
$150 – $500 GBP
Parts and labour estimate
🔧 Tools Required
Suspension tools
📋 Overview
Early Spitfires use a swing-axle rear suspension that produces extreme positive camber on bump, causing dangerous lift-off oversteer.
🩺 Symptoms
- Rear steps out suddenly when lifting off in a corner
- tyre wear on outer edges
- unstable at limit
🔍 Possible Causes
- Swing-axle geometry
- worn rubber doughnut couplings
- incorrect tyre pressures
🛠️ Diagnosis Steps
This is an inherent design characteristic on early cars. Rotoflex coupling upgrade significantly improves behaviour.
✅ Most Confirmed Fix
Rotoflex coupling upgrade and geometry setup
70% of users confirm this fix worked (14 reports)
🔗 Other Triumph FK/FM Faults
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