🚗 Classic Fault — Lotus Elan (1962–1975)
Lotus Elan Ford twin-cam valve timing — worn cam followers
💰 Estimated Repair Cost
$80 – $400 GBP
Parts and labour estimate
🔧 Tools Required
Feeler gauges, cam cover tools
📋 Overview
The Lotus Ford twin-cam engine uses bucket tappets that wear and cause ticking and power loss.
🩺 Symptoms
- Ticking from top of engine
- loss of high-rpm power
- ticking persists when warm
🔍 Possible Causes
- Worn cam followers
- worn camshaft lobes
- incorrect valve clearances
🛠️ Diagnosis Steps
Measure valve clearances — compare to spec. Inspect cam lobes for pitting with cam cover removed.
✅ Most Confirmed Fix
Cam follower and camshaft replacement
76% of users confirm this fix worked (15 reports)
🔗 Other Lotus Elan Faults
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