I started studying in July and took my first non-diagnostic practice test in February (with a 2.5 month break in between). I scored a 163 and have improved since then. My diagnostic was a 150 as well. I consistently score -0 on LG so I'm still worki…
Don't worry about the practice tests before 1997, the questions in those tests are used for the problem sets in the CC. I would focus on completing the course first, you don't have to do every problem set in every section. Once you have a good grasp…