Teams from across Europe, Russia and the Middle East have been invited to test the upgraded Nissan GT-R Nismo GT3 car with JRM – the company who helped develop and build the car – detailing a long list of changes for the new season.

“The 2013 car incorporates a range of engine upgrades primarily designed to increase durability and performance. Specific changes include revised camshaft timing,” said JRM’s Mark Dexter. “New ‘canards’, enlarged cooling apertures together with an optimised rear wing position form part of a package to improve front/rear aero balance, whilst also increasing downforce. It makes the car both a cost-effective and competitive car that can be used in a growing number of championships.”

Unveiled at last January’s Autosport International Show and raced for the first time in March the GT-R GT3 proved a potent weapon around the world, outpacing its competition in the Japanese Super GT series and taking race wins in the UK with JMH Automotive in GT Cup and RJN Motorsport in the Avon Tyres British GT Championship.

The 2013 version of the car builds on this year’s worth of experience, JRM combining customer feedback as well as data gathered from track and dyno testing to improve the car before a second full year of racing.

“We urge any race team out there, particularly if they are considering entering GT racing for the first time, to contact us about attending the Portimão test day, where we have exclusive use of the track and a new test car for drivers and engineers,” says Dexter. “GT3 racing is not as expensive as people think and we believe the Nissan GT-R Nismo GT3 offers the most affordable and competitive package with which to exploit this category. Now is the perfect time to make the switch in time for the 2013 race season.”