WRR TV: NASA Super Unlimited At MSR Houston

Here we see the opening laps of a multi-class NASA race. Tube frame Trans Am and NASCAR style racers with big V-8s and bias plys are pitted against motorcycle-engined (1.5L) sports racers and heavily modified Porsches. The pace of these different cars is surprisingly similar, with much of the difference coming down to drivers (as in many kinds of racing).
 

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