At the first round of the season held at the former Grand Prix track of Zolder in Belgium, Opel Team Joest’s misfortunes continued. Manuel Reuter retired in the early stages, with both John Winter (16th) and Keke Rosberg finishing a lap down on winner Alessandro Nannini (ITA) in the Alfa. Race 2 was more positive however, with only John Winter dropping early on. Reuter lead the Opel charge in 7th, with Rosberg in 10th.
The GSi's engine mapping had been carried out by Opel tuning specialists Irmscher. A model with the 82 PS (60 kW) 1.4 L multi point fuel injected engine, which was otherwise mechanically identical to the GSi, also became available as the Nova SRi in the United Kingdom. In January 1988, a turbocharged version of the Isuzu diesel engine was introduced, with power increased to 67 PS (49 kW).[8]
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