I've been reading a lot of the threads about the URD throttle body adapter. Most of the information about the adapters is about the 76mm one. I haven't seen much about the 70mm. I am seriously considering the upgrade, but the whole idle problem that occurs concerns me. Is the problem the same with the 70mm? Is there really much of an increase in power from the 70mm? Any input on the matter would be appreciated. Thanks!