Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.Discussions and author closures on “The Relationship Between Oil Viscosity and Engine Performance” provides a supplement to SAE SP 416 - ASTM STP 621 which included all of the papers presented at the SAE-ASTM Symposium held during the 1977 SAE International Automotive Engineering Congress & Exposition Meeting held in Detroit, Michigan, February 28-March 4, 1977.