▁top ▁of ▁the ▁engine , ▁exhaust ing ▁out ▁of ▁the ▁top ▁of ▁the ▁body work ▁in ▁front ▁of ▁the ▁wind sh ield . ▁The ▁rear ▁driv et rain ▁is ▁designed ▁without ▁traditional ▁half sh aft s ▁that ▁would ▁be ▁required ▁to ▁traverse ▁the ▁t unn els , ▁opt ing ▁instead ▁for ▁the ▁ep icy clic ▁g ear ing ▁system ▁to ▁work ▁around ▁the ▁t unn els . ▁The ▁susp ension ▁geometry ▁was ▁carefully ▁ref ined ▁and ▁consisted ▁of ▁adjust able ▁P ens ke ▁rear ▁d amp ers ▁and ▁Ö hl ins ▁front ▁d amp ers ▁along ▁with ▁a ▁rear ▁hyd ra ul ic ▁anti - roll ▁bar ▁system . ▁The ▁X t rac ▁five - speed ▁hyd ra ul ically - activ ated ▁sequ ential ▁g ear box ▁was ▁cast ▁by ▁a ▁Michigan - based ▁company . ▁Cos worth ▁supplied ▁the ▁car ' s ▁engine ▁control ▁unit ▁for ▁the ▁g ear box ▁which ▁provided ▁power ▁to ▁the ▁whe els ▁via ▁the ▁hyd ra ul ic ▁limited - s lip ▁differential . ▁ ▁Program ▁and ▁testing ▁ ▁N iss an ▁public ly ▁announced ▁its ▁GT - R ▁L M ▁program ▁in ▁East ▁London ▁on ▁ 2 3 ▁May ▁ 2 0 1 4 . ▁Six ▁months ▁later , ▁drivers ▁began ▁testing ▁the ▁car ▁for ▁the ▁first ▁time ▁in ▁a ▁two - day ▁roll - out ▁session ▁at ▁the ▁N iss an ▁Technology ▁Centre ▁in ▁Stan field , ▁Arizona . ▁Test ing ▁continued ▁into ▁January ▁ 2 0 1 5 ▁at ▁the ▁Circ uit ▁of