i have them on my 33. just 225/50/16s. i think mine are a bit old and have gone hard. they have been sitting under the house for 6 months. i just put 2 back on the rear and they are a bit slippery. i am going to back the car into the garage in the next few days and do a decent skid to try to wear through some of the hard stuff and get to some slightly softer rubber underneath.
they were on the car when i first got it and they were better than they are now. then i put a set of hankook 205/55/16s on (that i got dirt cheap, and they were on stock skyline rims - which my other rims are also) and they gripped a little better in the dry, and a lot better in the wet, although the nexans that were on the back were the worst of the 4 tyres, so that didn't help in the wet. the hankooks were slightly hardened as well, as i think they had been sitting for a while before i bought them.