IMPROVED FUEL ECONOMY BY BETTER UTILIZATION OF AVAILABLE OCTANE QUALITY

The wide spread of octane requirements in the 48 cars studied resulted in "octane waste", a measure of the inefficient use by engines of the available octane quality. The average waste was three octane numbers and is associated with variations in compression ratio. The wasted octane can be made available to improve fuel economy through tighter control of manufacturing tolerances on combustion chamber volumes.

Media Info

  • Pagination: 11 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00308659
  • Record Type: Publication
  • Report/Paper Numbers: SAE 790940
  • Files: TRIS
  • Created Date: Apr 22 1980 12:00AM