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GROUP N Rally-Spec upgrade ECU EPROM chip for the Vauxhall Cavalier GSi 16V with the 'red-top' C20XE 2.0L 16V DOHC engine and Bosch Motronic M2.5 ECU.
Model: Vauxhall Astra / Calibra / Cavalier / Corsa / Kadett / Nova etcEngine type: 2.0L 16V C20XE RED TOP with distributor (non-lambda)Bosch Motronic M2.5 ECU part Number: 0 261 200 190/191 FX
This ECU upgrade chip features uprated fuel & timing maps and an increased rev limit to 7200 RPM in order to produce up to 172 bhp & 170 lb/ft from a standard 2.0L C20XE 150bhp engine. With an additional camshaft upgrade, this chip will produce up to 186 bhp & 182 lb/ft.
It is ideal for completely standard unmodified vehicles, and will also work well with the following modifications:
Please note that the above modifications are NOT required for this chip to work, they are simply recommendations for even further power gains to be made.
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