Have a look on the revo website for a 100bhp tdi, 175 lb/ft, 237NM
Stage 1 Revo (plus 1 performance mod) 145bhp, 225 lb/ft, 305NM, could be worth a chat with your local revo dealer you would be looking at either £299 or £399 depending if the offer is still on,
Stage 1 Shark Performance quote 140bhp for £299 inc vat, good price and good company that really know there stuff