Hi, I have an early XJS make number 41, it is LHD. It was not complete when I bought it, engine was i place but not connected to any hose or wire. I put all together and start to learn about this cars. Find out that it is a HE engine with BW gearbox. Anyway, it fire up but runs rich. Noise from it, found that no 5 right hand bank did not fire. So I will have to lift the head Is there any fault that is more common on this engine heads?
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