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Engine components Light Duty Vehicle Performance and Economy Measure Committee Chassis Heat transfer

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Standard

SAE Cold Start and Driveability Procedure
1998-08-01
HISTORICAL
J1635_199808
To subjectively evaluate engine starting behavior and driveability characteristics of a motor vehicle which has been soaked at ambient temperature for a given time period after attaining a stabilized engine coolant temperature. This SAE Recommended Practice also defines driveability defects and the rating system.
Standard

FUEL ECONOMY MEASUREMENT ROAD TEST PROCEDURE—COLD START AND WARM-UP FUEL ECONOMY
1979-05-01
HISTORICAL
J1256_197905
This procedure incorporates a modified driving cycle replicate of consumer operation as contained and shown in SAE J1082b (January, 1979) and which is run on a suitable road or test track. The procedure yields cold start and warm-up fuel economy values indicative of consumer level at the ambient condition of the test. Within referenced limitations, the procedure can be utilized to determine the fuel economy differential among vehicles or between vehicle changes.
Standard

FUEL ECONOMY MEASUREMENT - ROAD TEST PROCEDURE - COLD START AND WARM-UP FUEL ECONOMY
1988-10-01
HISTORICAL
J1256_198810
This procedure is a modification of the urban driving cycles noted in SAE J1082 and which is run on a suitable road or test track. The procedure yields cold start/warm-up fuel economy values indicative of consumer level at the ambient condition of the test. Within referenced limitations, the procedure can be utilized to determine the fuel economy differential among vehicles or between vehicle changes.
Standard

FUEL ECONOMY MEASUREMENT-ROAD TEST PROCEDURE—COLD START AND WARM-UP FUEL ECONOMY
1980-06-01
HISTORICAL
J1256_198006
This procedure incorporates a modified driving cycle replicate of consumer operation as contained and shown in SAE J1082b (January, 1979) and which is run on a suitable road or test track. The procedure yields cold start and warm-up fuel economy values indicative of consumer level at the ambient condition of the test. Within referenced limitations, the procedure can be utilized to determine the fuel economy differential among vehicles or between vehicle changes.
Standard

FUEL ECONOMY MEASUREMENT—ROAD TEST PROCEDURE—COLD START AND WARM-UP FUEL ECONOMY
1995-06-01
HISTORICAL
J1256_199506
This procedure is a modification of the urban driving cycles noted in SAE J1082 and which is run on a suitable road or test track. The procedure yields cold start/warm-up fuel economy values indicative of consumer level at the ambient condition of the test. Within referenced limitations, the procedure can be utilized to determine the fuel economy differential among vehicles or between vehicle changes.
Standard

Drive Quality Evaluation for Chassis Dynamometer Testing
2011-11-30
HISTORICAL
J2951_201111
This SAE Recommended Practice establishes uniform procedures for evaluating conformity between the actual and target drive speeds for chassis dynamometer testing utilizing standard fuel economy and emissions drive schedules.
Standard

VEHICLE ACCELERATION MEASUREMENT
1985-06-01
HISTORICAL
J1491_198506
To define significant driving situations involving acceleration, establish meaningful measures of such accelerations, and develop test procedures that will measure a vehicle’s maximum performance capabilities during those driving situations.
Standard

VEHICLE ACCELERATION MEASUREMENT
1990-06-01
HISTORICAL
J1491_199006
To define a test procedure that when conducted will provide a repeatable measure of a vehicle's maximum acceleration performance.
Standard

Vehicle Acceleration Measurement
2002-10-25
HISTORICAL
J1491_200210
To define a test procedure that when conducted will provide a repeatable measure of a vehicle's maximum acceleration performance.
Standard

VEHICLE ACCELERATION MEASUREMENT
1995-03-28
HISTORICAL
J1491_199503
To define a test procedure that when conducted will provide a repeatable measure of a vehicle's maximum acceleration performance.
Standard

Vehicle Acceleration Measurement
2006-07-31
CURRENT
J1491_200607
To define a test procedure that will provide a repeatable measure of a vehicle's launch response and maximum accelleration performance.
Standard

CHASSIS DYNAMOMETER SIMULATION OF ROAD LOAD USING COASTDOWN TECHNIQUES
1995-04-01
HISTORICAL
J2264_199504
This procedure covers two-wheel drive vehicle operation and single-axle electric dynamometer load coefficient adjustment to simulate track road load within the speed range of track testing and the dynamometer inertia and road load simulation capabilities.
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