I've had about 170 mph out of my highly modified 2 litre turbo lump in my VX
Cavalier - I say "about" 170 because I don't really know as the speedo only goes to 165, but on the downshift approaching a roundabout I accidentally went from 6th gear to 2nd instead of fourth and goosed the dumpvalve, blew the turbo and had the injectors break away from their mounting bracket because of the back-pressure along with various other bits of damage to the head, but luckily I got it all ship shape within a couple of weeks.
I've had an Escort Cosworth doing 135 along a mud road in a forest in the Scottish Highlands in pitch black while desperately trying to win a rally stage - and I was shitting myself as tree branches went flying past about 2 feet from the drivers side window, the car could have gone faster but neither me nor my co-driver could without making an embarrassing mess in our underwear (and he'd already lost his place in his pace notes about 2 miles before), and if we'd crashed we'd have lost out on a lot of money for charity so we decided to save the heroics for another day.
I had my little Nova 1.4 SRi doing 125 mph when I was 17 on a local stretch of road known as the "Killoch Strait" (anyone from the south-west of Scotland will probably know it). But later that night I wrapped it around a tree while trying to be a tosser/show-off while tackling a greasy roundabout putting me and 2 mates in hospital, and only narrowly avoided losing my licence for a very long time by the fact that the road was wet and there were no skid marks on the road.
Thankfully I now drive a bit more sedately and keep my showing-off for the track or rally stages where I can only really hurt myself.
Statistically, people who have had the most birthdays tend to live the longest.