I have a love/hate relationship with truck racing - love the spectacle and speed - I went with my mum and dad to some truck racing at Thruxton a few years back courtesy of Cat (my dad's been in the plant hire game for years) and were told about the specs of the trucks - I remember it clearly as the 0-60 and 0-100mph times were exactly the same as the 5 litre TVR Chimaera my mate's dad had just bought!!! Seriously quick, close racing....
...Hate because I also like watching motorbike racing and the trucks f*ck the track up royally in the braking areas - they're so heavy they ripple the tarmac not nice on a superbike!