If, just if you looked at the codes, you would notice that each line is 8 digits, and Gameshark 2 uses a base of 8 lines, and then the code of 8 lines, so those are the codes for GT3...
And if, just if you read his other post, he posted the code for the GT2 NSX, so by process of elimination, and some common sense, you shoulda figured out that he posted the right codes.....