Browse Publications Technical Papers 2000-01-2876

Real-Time Steady-State Measurement of PCV-Contribution to Oil Consumption on Ford 4.6 L SI-Engine 2000-01-2876

Real-time engine oil consumption has been measured at 21 steady-state conditions for a fully broken-in 2-valve Ford 4.6L SI-engine. The sampling location was at the engine stack and the measurement technique was the Southwest Research Institute (SwRI) developed SO2-analyzer for real-time oil consumption measurement, referred to as SwRI RTOC-II. PCV contribution to oil consumption was determined by measuring the oil consumption with and without the inclusion of positive crank case ventilation (PCV) flow, which is a differental approach. This method has not been correlated to real world vehicle usage but is valuable for making A-to-B comparisons. The paper is important since it presents novel data for real-time steady-state PCV-contribution to oil consumption.


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