There is a bunch but here are the ones I remember I am sure there will be more that will add or verify these:
Enzo - 250-251
No Stripe - 247-248
Ford GT 06 - 246-247
97 Supra - 228
Viper ACR - 245-246
C6 ZR1 - 241- and i have heard up to 242-243?
Speed 12 - 241-242 but it does a wheelie mid track so it has insane mid range
Viper SRT10 - 247-248
94 McLaren F1 - 244-245
99/02 Viper GTS - 245-246
Murcielago SV - 232-233
R35 Spec V - 228?
Veyron - 268-270?
Cien - 253+
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Speeds could vary, some people have a bad launch but get more top end, and vice versa. I guess its finding the medium.