1、b SAE AS*88 bb m 83573i-10 003i-1bLY 2 m . & AEROSPACE STANDARD SOCIETY OF AUTOMOTIVE ENGINEERS, Inc. 485 Lexington Aue., New York, N.Y. 10017 I Revised CALIBRATION SPARK PLUGS This standard provides a listing of the spark plug models which have been found suitable as calibration spark plugs for use
2、 in the SAE 17.6 CU in. spark-plug-rating engine (AS 840). The spark plugs.are as fQllOVS : SAE Model AS 889-1 AS 889-2 AS 889-3 Thread Size 18mm 18mm 18mm Thread Reach 1/2 in. 13/16 in. 13/16 in. SAE Nominal Heat Rating, IMEP 30 deg Spark Advance 40 deg Spark Advance 250 psi 200 psi 380 psi 300 psi
3、 - 420 psi Source Champion Spark Champion Spark Ford Motor Co., Plug Company Plug company Hardware & Toledo 1, Ohio Toledo 1, Ohio Accessories Div. Dearborn, Michigan Manufacturers Designation K-89R U-82R BLCP Notes: 1. The design and manufacturing procedure of these spark plugs may not be changed w
4、ithout the approval of the SAE Ignition Research Committee, E-30. 2. Calibration spark plugs, master rerated by manufacturer), and working, are available at the sources listed above. 3. Spark plugs shall be rated in accordance with: a. SAE Recommended Practice 5549, “Preignition Rating of Spark Plugs“. b. SAE ARP 890, Spark Plug Rating Calibration. PREPARED BY CALIBRATION PANEL OF THE E-30B SUBCOMMITTEE, AIRCRAFT PISTON ENGINE IGNITION, OF THE SAE E-30 COMMITTEE, IGNITION RESEARCH. -= - - Printed in U.S.A. CoPYriOht 1966 by Society of Automotive Engineers, Inc.
