This procedure provides a method for testing the speed performance of passenger car tires under controlled conditions in the laboratory on a test wheel. (This procedure does not apply to extra load tires or 'T' -type temporary use spare tires)
SAE J1561-1988 history
2019SAE J1561-2019 Laboratory Speed Test Procedure for Passenger Car Tires
2001SAE J1561-2001 Laboratory Speed Test Procedure for Passenger Car Tires
1993SAE J1561-1993 Laboratory Speed Test Procedure for Passenger Car Tires@ Recommended Practice (February 1993)
1988SAE J1561-1988 Laboratory Speed Test Procedure for Passenger Car Tires