About the clutch housing, the moist clutch fluid isn't lubricant, it is actually specific opposite for anti slip reason. I don't have info when there is cooler on this aspect. I assume I didn't publish it nicely. I was meant to convey separation of gearing and clutch housing only. Gearing https://x50gearbox92211.loginblogin.com/41092746/little-known-facts-about-x50-gearbox