1968-02-01

Lubricant-Closed PCV System Relationships Influence Exhaust Emissions 680113

Hydrocarbon and carbon monoxide concentrations in the exhaust of an engine equipped with a closed positive crank-case ventilation (PCV) system were kept at low levels with operation on high-quality motor oil when compared with similar operation on a low-quality motor oil.
The increase in exhaust emissions with the low-quality motor oil resulted from the effects of deposit accumulation in the PCV valve, carburetor venturi, and carburetor throttle body areas.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 18% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

A Dual Fuel Injector for Diesel Engines

851584

View Details

TECHNICAL PAPER

Comparison of the Exhaust Emissions from California Phase 1 (without oxygenates) and Phase 2 (with oxygenates) Fuel:A Case Study of 11 Passenger Vehicles

961221

View Details

TECHNICAL PAPER

A Fleet Evaluation of IVD and CCD:Emissions Effects and Correlation to the BMW 318i and Ford 2.3L IVD Tests

952447

View Details

X