11. Lubrication is done by a dry sump lubrication system , the compressor valves are poppet valves. 12. Large two-stroke engines, including diesels, normally use a sump lubrication system similar to four-stroke engines. 13. Theodore von Karman designed the lubrication system to avoid potential issues with turbulence during tracking. 14. The root cause of the problem is therefore that metal scrap can contaminate the lubrication system . 15. Several different types of lubrication systems are used. 16. The B7 RS4 quattro, but modified to use a dry sump lubrication system and induction system. 17. Lubrication system was pressure circulation lubrication system.18. Lubrication system is pressure circulation lubrication system.19. The supercharger had its own lubrication system . 20. That year, the central lubrication system was deleted, in favour of a more traditional local grease-application nipple.
