1. A process for the modification of a system's base lubricant's properties during engine operations comprising: a) regularly monitoring, directly or indirectly, one or more engine condition parameters in an engine with an all-loss lubricating system, b) calculating from said engine condition parameters an amount of a secondary fluid to add to said base lubricant, said secondary fluid being one or more fluids selected from the group comprising performance enhancers, base stocks or additional formulated lubricants, c) mixing said base lubricant with said secondary fluid creating a modified base lubricant, d) applying said modified base lubricant to said engine during engine operations.