 The TC4V saw success in 1600cc form in Australian Formula 2 racing and in 2000cc form in Australian Formula 1.A 1600cc variant with two valves per cylinder was produced to meet new, more restrictive Australian Formula 2 regulations which applied from 1971.At this time Waggott Engineering were specialising in camshaft development but also offered automotive “balancing, boring and dyno tuning services”.