You should inject the Test E3D at the very most. EOD would work well.
4 weeks is somewhat quick if you aren’t going to frontload. My preference would be 6 weeks with a frontload.
If accurate your bodyfat is not at the optimal level to begin a cycle. It would be in your best interest to lose bodyfat while preserving as much muscle as possible. Lets be honest… 180lbs of LBM at 6’2 is no where near ready for steroids.