Quote Originally Posted by Reptile View Post
You'd be surprised what a difference in CR makes when using a GenV. It's almost a nightmare on a 3.4 setup to keep the knock at bay. Even with a big cam and IS3 heads.
Yet I have no issues with a non intercooled NIC and a 3.1 pulley, with 18 degrees of timing????

One of the reasons I don't care to do mail order top swap tunes.
What package do you have that is licensed to do mail order tuning? Tuner cats?