haha like your theorie, free practice is not the best comparison I think for instance in P2 it was raining today, but if you update your post after quali (if dry and fi it was as dry last year) I think it would give us an even better comparison
Perhaps ISI can share wat Marussia believes the gain was from the spec car they begon in Australia and the spec car of the end of the season, which ISI modelled? I guess they won't share, but would be nice to hear
ofcourse because the 2013 car is not the spec car of the end of 2012