all of the follwoig has been achieved either on the Isle of Man or on my 'private' test tracks, mainly north of Loch Lomand, South of Fort William

Crappy old H reg Fiesta (first car) 110 downhill with wind behind me goin the clappers!
mk4 GTTDI demonstrator tuned by Zoom from Blackburn (now closed down) 132 on a good day when hoses, turbos and intercoolers were behaving.
2002 Renaultsport Clio 172 Cup with a few mods 141
mk 5 GTI (standard) bottled it at 140 with 4 of us fattys in
mates Skyline R32 v spec (highly tuned) 163
and as a passenger in his dads 360 CS 170
Anyone who likes a good, rewarding drive, I cannot reccomend highly enough visiting the Isle of Man and making use of the Mountain Road and various other routes. Very, very good fun!