I dont use SS rubber cause its too grippy and unrealistic, but i do enjoy running these types of cars around the Nurburgring using RD (road) tyres.
I've got a huge list of cars from quite a few drivers that run the Ring at various Lans - 
http://www.joeracer.designdesktop.com/misc/GT4 Ring Openday TIMESHEET 2008.xls
If you sort through some of the times for various Japanese performace cars you can see that most are pretty even - 
7'49.034	Joe Racer		2002	Mazda RX-7 Spirit R Type A (FD)
7'50.534	Joe Racer		2001	Mazda RX-7 Bathurst R (FD)
7'51.361	Joe Racer		1998	Mazda RX-7 Type RS
7'53.317	Joe Racer		2000	Mazda RX-7 Type RS
7'53.520	Joe Racer		2000	Mazda RX-7 Type RZ (FD)
7'55.755	TheForce		2002	Mazda RX-7 Spirit R Type A (FD)
7'56.694	Hayden		1998	Mazda RX-7 Type RS
7'59.800	NWS77		2002	Mazda RX-7 Spirit R Type A (FD)
8'00.566	Rypien		2001	Mazda RX-7 Bathurst R (FD)
8'02.532	Rypien		2002	Mazda RX-7 Spirit R Type A (FD)
8'02.636	Smallhorses		2001	Mazda RX-7 Bathurst R (FD)
8'02.814	SiR_Dan		2001	Mazda RX-7 Bathurst R (FD)
8'03.119	TheForce		2001	Mazda RX-7 Bathurst R (FD)
8'03.154	SiR_Dan		2002	Mazda RX-7 Spirit R Type A (FD)
8'04.655	Joe Racer		1996	Mazda RX-7 Type RS
8'06.375	Joe Racer		1996	Mazda RX-7 Type RZ (FD)
8'08.476	Hayden		2002	Mazda RX-7 Spirit R Type A (FD)
8'08.599	Touring Mars		2001	Mazda RX-7 Bathurst R (FD)
8'08.975	Joe Racer		1995	Mazda RX-7 Type R-S
8'09.105	Joe Racer		1997	Mazda RX-7 Type RS-R
8'09.451	Joe Racer		1995	Mazda RX-7 Type RZ (FD)
8'09.602	Joe Racer		1993	Mazda RX-7 Type RZ (FD)
8'10.287	bo-no		2001	Mazda RX-7 Bathurst R (FD)
8'11.603	Joe Racer		1991	Mazda RX-7 Type R
8'12.239	Joe Racer		1992	Mazda RX-7 Type RZ (FD)
8'12.774	Joe Racer		1993	Mazda RX-7 Type R
8'13.906	TheForce		2002	Mazda RX-7 Type RS
8'15.255	PRF		1995	Mazda RX-7 Type RZ (FD)
8'21.509	TheForce		2000	Mazda RX-7 Type RZ (FD)
8'24.064	SiR_Bryce		1998	Mazda RX-7 Type RS
8'26.751	PRF		1992	Mazda RX-7 Type RZ (FD)
7'48.111	Joe Racer		2002	Nissan Skyline GTR M-Spec Nur	4WD
7'51.635	Joe Racer		2000	Nissan Skyline GTR	4WD
7'52.757	PRF		2000	Nissan Skyline GTR	4WD
7'53.345	Joe Racer		2002	Nissan Skyline GTR VspecII Nur	4WD
7'53.454	Joe Racer		1999	Nissan Skyline GTR	4WD
7'54.038	Joe Racer		2000	Nissan Skyline GTR MidnightPurple	4WD
7'54.243	Joe Racer		2000	Nissan Skyline GTR VspecII  	4WD
7'54.709	Joe Racer		1999	Nissan Skyline GTR Vspec N1	4WD
7'54.935	Joe Racer		2002	Nissan Skyline GTR M-Spec   	4WD
7'55.508	Joe Racer		2000	Nissan Skyline GTR VspecII N1	4WD
7'57.958	PRF		1999	Nissan Skyline GTR	4WD
7'58.552	PRF		2000	Nissan Skyline GTR VspecII  	4WD
7'58.957	Joe Racer		1999	Nissan Skyline GTR MidnightPurple	4WD
7'59.695	SiR_Dan		2002	Nissan Skyline GTR M-Spec Nur	4WD
8'01.310	Prancing Horse		2000	Nissan Skyline GTR VspecII N1	4WD
8'01.985	TheForce		2000	Nissan Skyline GTR VspecII N1	4WD
8'02.506	TheForce		2002	Nissan Skyline GTR Vspec II Nur	4WD
8'03.040	Crazyhorse		2000	Nissan Skyline GTR VspecII N1	4WD
8'03.146	PRF		1996	Nissan Skyline GTR	4WD
8'03.307	Hayden		1999	Nissan Skyline GTR Vspec	4WD
8'03.330	PRF		1997	Nissan Skyline GTR Vspec	4WD
8'03.681	PRF		1995	Nissan Skyline GTR N1 	4WD
8'03.976	PRF		1996	Nissan Skyline GTR LM Limited	4WD
8'04.020	TheForce		2002	Nissan Skyline GTR M-Spec Nur	4WD
8'04.289	PRF		1995	Nissan Skyline GTR	4WD
8'06.140	Joe Racer		1995	Nissan Skyline GTR N1 	4WD
8'06.359	Rypien		2000	Nissan Skyline GTR VspecII N1	4WD
8'08.632	PRF		1991	Nissan Skyline GTR	4WD
8'09.071	PRF		1994	Nissan Skyline GTR VspecII	4WD
8'09.683	PRF		1991	Nissan Skyline GTR N1 	4WD
8'09.862	NWS77		2002	Nissan Skyline GTR M-Spec Nur	4WD
8'10.105	Joe Racer		1993	Nissan Skyline GTR Vspec N1	4WD
8'10.166	PRF		1989	Nissan Skyline GTR	4WD
8'10.281	SiR_Dan		2000	Nissan Skyline Vspec II N1	4WD
8'10.448	PRF		1993	Nissan Skyline GTR Vspec N1	4WD
8'11.389	SiR_Dan		2000	Nissan Skyline Vspec II N1	4WD
8'12.106	aDifferentName		1999	Nissan Skyline GTR Vspec	4WD
8'12.433	TheForce		2000	Nissan Skyline Vspec II N1	4WD
8'12.472	Hayden 		1993	Nissan Skyline GTR Vspec N1	4WD
8'14.794	Rypien		1994	Nissan Skyline GTR Vspec II   	4WD
8'15.184	PRF		1993	Nissan Skyline GTR	4WD
8'15.248	Rypien		1991	Nissan Skyline GTR	4WD
8'15.596	NWS77		1996	Nissan Skyline GTR Vspec	4WD
8'16.347	Bollocks		1999	Nissan Skyline GTR	4WD
8'20.814	TheForce		1993	Nissan Skyline GTR Vspec N1	4WD
8'23.879	Hayden		2001	Nissan Skyline Sedan 300GT	FR
8'34.995	SiR_Bryce		2002	Nissan Skyline GTR M-Spec Nur	4WD
8'39.199	SiR_Bryce		1999	Nissan Skyline GTR Vspec N1	4WD
8'46.823	Dorkboy		2002	Nissan Skyline GTR M-Spec Nur	4WD
7'41.818	Joe Racer		2002	Honda NSX Type R	MR
7'43.002	Hayden		2002	Honda NSX Type R	MR
7'48.086	Joe Racer		1992	Honda NSX Type R	MR
7'51.296	aDifferentName		2002	Honda NSX Type R	MR
7'51.430	phino		2002	Honda NSX Type R	MR
7'53.549	bo-no		2002	Honda NSX Type R	MR
7'53.714	TheForce		2002	Honda NSX Type R	MR
7'53.732	SiR_Dan		2002	Honda NSX Type R	MR
7'53.821	ColtCobra		2002	Honda NSX Type R	MR
7'56.200	Hayden		2001	Honda NSX Type S  	MR
7'56.549	Hayden		1999	Honda NSX Type S Zero	MR
7'57.387	Small_Fryz		2002	Honda NSX Type R	MR
7'57.726	Joe Racer		2001	Honda NSX	MR
7'58.002	02ti		2002	Honda NSX Type R	MR
7'58.018	Joe Racer		1997	Honda NSX Type S	MR
8'00.183	PRF		1997	Honda NSX Type S Zero	MR
8'00.398	Joe Racer		1997	Honda NSX	MR
8'01.515	evilteez		2002	Honda NSX Type R	MR
8'01.516	TheForce		1992	Honda NSX Type R	MR
8'02.329	PRF		1999	Honda NSX Type S Zero	MR
8'03.849	Joe Racer		1999	Honda NSX Type S	MR
8'04.851	PRF		1992	Honda NSX Type R	MR
8'05.567	Wolfi 1970		2002	Honda NSX Type R	MR
8'05.573	Kaneda		2002	Honda NSX Type R	MR
8'05.830	Joe Racer		1995	Honda NSX	MR
8'06.090	Joe Racer		1993	Honda NSX	MR
8'06.384	Joe Racer		1990	Honda NSX	MR
8'08.120	jafa		2002	Honda NSX Type R	MR
8'11.075	Duke of Nemesis		2002	Honda NSX Type R	MR
8'12.863	PRF		1990	Honda NSX	MR
8'14.758	Joe Racer		1997	Honda NSX Type S Zero	MR
8'17.647	TheForce		1997	Honda NSX Type S Zero	MR
8'23.607	Dorkboy		2002	Honda NSX Type R	MR
8'25.219	racingt40		2002	Honda NSX Type R	MR
8'25.738	SiR_Bryce		2002	Honda NSX Type R	MR
9'30.112	Luncho Carlrissian		2002	Honda NSX Type R	MR