what year used the top part sump 1995 onwards?
do they all use the same management?
what would the difference be between them engine mounts? exhaust down pipes?
From 1996 the X20XEV came with Dual port inlet manifold, and Simtec 56.5 ECU and 2 part sump.
They aren't compatible for a number of reasons.
Exhaust downpipe routing, ECU pinout, Dual port solenoid, Crank sensor type.
96 > Astra, Calibra and Omega had the 56.5 engine
All Vectras, AstraG/Zafira had the 56.5 Engine
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