Opel Monza Srs 1 3.0E, Opel Senator Srs 1 3.0E 1978-81 approx. MONZA 3.0E Srs 1. 25E & 30E 2.5/3.0-litre 12-valve straight six engine; early Monza, Senator A to 1987. Early cars Bosch L injection (grey injectors, later cars Bosch LE (yellow injectors). ).
