GP2 have announced changes to the sporting regulations in 2014 with an extended practice session and new tyre rules.Unlike in F1, GP2 teams only have one practice session ahead of qualifying at each race weekend and this will be lengthened from 30 to 45 minutes this season. The tyre regulations for the Feature Race will also change with teams now required to run both dry compounds of tyre - unless a wet weather tyre has been used - in an effort to move the series closer to F1. Previously a range of tyre strategies were available to the teams including the option of changing just two of the wheels, if staying on the same compound, to save time at the stop as the number of mechanics allowed...
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