There have been times in recent seasons - 2013 British Grand Prix aside - when Formula 1 seems to have banished unreliability, but the new engine regulations could change all that this year.
If testing is anything to go by, there is a good chance we'll see some late heartbreak in grands prix in 2014. With that in mind, we thought we'd take a look at some of the best - or worst - late failures in F1 history.
As you can imagine for a championship in its seventh decade, there are a lot to choose from: our original 'short list' had almost 100 races. But here are just some of the late-race failures that have denied drivers over the decades.
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