Originally Posted by
spudfan
Congratulations on your positive outcome, Dullbird. Any idea what oil is in your engine. I was always told that an engine must be run in on mineral oil. Synthetic is a no-no. Mineral oil gives it it's all important initial coating which synthetic cannot do. Synthetic-if specified- can be used for subsequent oil changes. There is a comprehensive, and interesting, chapter on oils and lubricants for Land Rovers in Tom Sheppard's Vehicle Dependent Expeditions. Sheppard gives this advice on running in your engine. A terrific read whether you are expeditioning or just reading about it like me! Many happy miles with your rejuvenated Defender.