As Renault Sport F1 head to Australia for this weekend's season-opening Grand Prix, its engine has created somewhat of a anxiety amongst teams powered by the new V6 turbo. Manufacturers will submit their engines for homologation and that, as they say, is that for the rest of the season. You can imagine how nervous you would be if your 12 total days of testing were ripe with mechanical issues centering on your engine. However, all is not set in stone when it comes to the homologation of the engine. Manufacturers can make 'reliability' upgrades to their engines during the year and as Lotus F1 technical director, nick Chester, points out to AUTOSPORT's Glen Freeman, that's exactly what...
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