Minor changes to F1 cars for 2013 prior to 'tsunami of regulatory change ' in 2014 . `` As we saw last year , if you try and run too long on a set of tires they drop off a cliff and lose all performance . New Pirelli tires are most significant changes in 2013 says Red Bull 's Adrian Newey . New softer compounds designed to be faster but will degrade more quickly . Comment:
Minor changes to F1 cars for 2013 prior to 'tsunami of regulatory change ' in 2014 . New Pirelli tires are most significant changes in 2013 says Red Bull 's Adrian Newey . New softer compounds designed to be faster but will degrade more quickly . Comment: