For Escort Cossies--

Kev Sharp is fastest 1/4mile with 10.4@144
Fastest Top Speed so far is MartinH with 194mph.
Highest EscCossie BHP would be that Norwegan one with a claimed 750bhp or so, or in the UK itd be MartinH i think with 630 or so i think.

For Skylines-

Tosspot Andy Barnes is fastest 1/4 with 9.6@(154 i think) in the UK, worldwide its 7.6sec@188
Fastest Top Speed in the UK is 209 by Rocket Ronnie, worldwide its 238mph
Highest BHP proven in the UK IIRC is ProjectX which had about 1100bhp, but most worldwide has been approx 1400bhp.

I hope you wasnt trying to tell him EscCossies are faster etc like it souns you were, as youd now look really silly