15th Fastest Laps in a Season

Fastest Lap position:

Pos	Lubricant Manufacturer	Year	15th Fastest Laps
1	Valvoline	1982	8
1	BP	1990	8
3	Agip	1984	7
4	Valvoline	1983	6
	Castrol	1985	6
	Elf	1985	6
	Elf	1986	6
	Castrol	1987	6
	Elf	1988	6
	BP	1991	6
11	Castrol	1986	5
	Agip	1987	5
	Elf	1989	5
	Agip	1990	5
15	Fina	1975	4
	Fina	1976	4
	Elf	1978	4
	Elf	1980	4
	Agip	1981	4
	Elf	1981	4
	Agip	1982	4
	Elf	1983	4
	BP	1989	4
	Agip	1991	4
	Agip	1992	4
26	Shell	1971	3
	Elf	1979	3
	Valvoline	1980	3
	Valvoline	1981	3
	Castrol	1984	3
	Elf	1984	3
	Agip	1989	3
	Elf	1990	3
	Shell	1991	3
	BP	1992	3
	Elf	1992	3
37	Shell	1962	2
	Shell	1969	2
	Shell	1970	2
	Duckhams	1975	2
	Elf	1977	2
	Shell	1978	2
	Mobil	1979	2
	Agip	1980	2
	Shell	1981	2
	Unipart	1983	2
	Mobil	1984	2
	Agip	1985	2
	BP	1986	2
	Shell	1986	2
	Elf	1987	2
	Agip	1988	2
	Mobil	1988	2
	Mobil	1989	2
	Mobil	1991	2
56	Shell	1953	1
	Shell	1959	1
	BP	1962	1
	BP	1964	1
	Elf	1968	1
	Gulf	1969	1
	Esso	1972	1
	Fina	1973	1
	Shell	1973	1
	Sunoco	1974	1
	Agip	1975	1
	Elf	1975	1
	Esso	1975	1
	Fina	1977	1
	Agip	1978	1
	Fina	1978	1
	Texaco	1978	1
	Agip	1979	1
	Castrol	1979	1
	Essex	1979	1
	Shell	1979	1
	Texaco	1979	1
	Shell	1980	1
	Unipart	1980	1
	Unipart	1982	1
	Agip	1983	1
	BP	1983	1
	Shell	1983	1
	Valvoline	1984	1
	Antar	1985	1
	Shell	1985	1
	Agip	1986	1
	Mobil	1987	1
	BP	1988	1
	Castrol	1988	1
	Shell	1988	1
	STP	1988	1
	Valvoline	1988	1
	Antar	1989	1
	Elf	1991	1

Fastest Lap position: