Complex sentence: The race was a final prelude prior to the formation of the Tasman Series later that year, while the engine formula was 3.0 litres rather than the 2.5 that was to become the Tasman norm.
Split into simpler sentences: The race was a final prelude prior to the formation of the Tasman Series later that year. While the engine formula was 3.0 litres rather than the 2.5 that was to become the Tasman norm.