One guy on the forums is making around 252kW & 542Nm at the wheels with some serious mods
http://www.fordxr5turbo.com/forum/in...opic=10479.405
Also while your there check out the rest of the forum as theres heaps of good info there
for extreem power figures theres one in Singapore making 430bhp, 620nm
with these mods
RS Turbo
RS injector
Ferrita WRC DP with catback exhaust system
Devilsown
Pro Alloy RS FMIC
Injen Short Ram Kits
LSD
Spec Lightweight Flywheel
BCBR Coilover
IPD HD Coil
NGK Racing Plug
Also this kit here
http://www.pumaspeed.co.uk/product-P...atable_918.jsp
Theres also talk of guys in Sweden can get 500-800HP out of the 2.3lt T5 Volvo motor as it has thicker cylinder walls.
With that sort of power these things would pull harder than a teenage boy with his first nudie mag.