Uwe @ Omega is an excellent mechanic. I would suggest using him but I am not sure he will be interested(or really have the time, you have to talk with him) or not in a twinspark conversion. But that said your in good hands with him. He works alone with some help but that is the reason for time.I am preparing to buy a gtv and want a good shop to help with a twin-spark transplant. I'm in West LA and have seen Omega Motorsport in Culver City. Are they any good? I see Santo's in Northridge gets high marks from some of you. Any suggestions?