On the cambelt thing I do have some empathy with AV. I've had 3 of them go on me without warning and each time causing major engine damage and significant inconvenience despite religiously following service schedules and recommended belt change intervals. One could argue that over 40+ cars, nearly 40 years of driving and 6 trips to the moon and back in mileage terms, that's not bad, but I'd be wary of them nonetheless and it is a factor I very much build in to my choice of cars. Especially those which I intend to use for high mileage purposes, not just due to reliability concerns but indeed the cost of belt replacements when that might be a requirement every couple of years in my case.
Of course we all tend to base our prejudices on our own experiences and there will, quite rightly, be those who mistrust chains as a result of issues with those but up until now anyway, I've never had problems with an engine fitted with a cam chain which could be attributed to that feature.
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