Standards

ASTM WK38515

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Work Item: ASTM WK38515 - Revision of D2700 - 12 Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel


Active Standard: D2700 - 12

Developed by Subcommittee: D02.01 | Committee D02 Home | Contact Staff Manager



1. Rationale

Since mid-2007 GE Waukesha has produced all new CFR Octane and Cetane Units to meet European CE Mark compliance requirements. One of the changes to achieve this classification on Octane Units involves enclosing the valve train. Consequently additional instruction must be provided for users when setting the basic Rocker Arm Carrier Support height. The original system allowed direct access to the machined surface while the new system has interference to this measurement. The added guidance instructs the user how to compensate for this interference.


Keywords

aviation rating; guide table; isooctane; knock intensity; motor octane number; n-heptane; spark-ignition engine fuel performance; toluene standardization fuel ;

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Work Item Status:
Date Initiated:07-25-2012
Technical Contact: Jeffrey Balis

Item: 039
Ballot: D02 (12-05)
Status: Ballot Item Approved as D2700-2012a and Pending Publication

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