Marc Lublin
Enthusiast
The factory I believe has always used 3.08/1. Most popular choices for change is 3.45/1, 3.54/1 & 3.73/1. I have 3.54 in one car and 3.45 in the other. Of course very little difference between the two, but I wouldn't go any higher on the street. I have also heard that the 3.73's get noisy.
