https://www.lrsoc.com/forum/forum_files/ServiceBulletin5025.pdf 5025 – DECARBONISING AND VALVE GRINDING
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5021.pdf 5021 – SQUEAKS FROM INLET ROCKER MECHANISM
https://www.lrsoc.com/forum/forum_files/ServiceBulletin5012.pdf 5012 – LAND-ROVER 1948: BRIEF TECHNICAL SPECIFICATION
