Hey bro, it seems this question is popping up all over. I'm sorry to tell you but the answer is no, you can't turn a GT24 4 into a GTR. I'm not sure if the 4 has AWD or 4wd but I think it has 4wd (correct me if I'm wrong). ATTESSA ETS and PRO act like RWD vehicles untill one of the rear wheels starts to spin, then it can split torque 50/50 to any one of the front wheels. Wheelspin, Lateral Acceleration, and G Forces are monitored 10 times a second by the ATTESSA computer. In the R34s the linkage is an electronic link, in the 32 and 33s it is viscious coupeling. Also you woul dhave to do work on the wheelwells as the GTRs have pumped guards to house the bigger tyres. Now if you did go through the trouble to upgrade to a Nismo Suspension, Drop a RB26DETT in there, a Getrag 6spd, do some work on the drive train to handle the power, put new tyres on it, new IC, and the works. You WOULD have a very quick car that handles well, but it would not be a GTR. So I say if you want to, go for it, but please don't call it a GTR, only godzilla can have that badge