Did you raise your rear axle's pinion angle to match the requirement of your new Tom Wood (not Woods) CV driveshaft? An improper rear pinion angle, especially if you didn't change it when you installed the CV driveshaft, can cause major drivetrain vibrations.
And you cannot simply live with the vibrations, they will start taking out things like seals, bearings, u-joints, etc.
Once you get the rear pinion angle set properly, the vibes will be gone. You do not need a t-case drop with everything set up correctly.
This is how your rear pinion angle should look... and the rear pinion angle is pretty critical. It cannot be even a single degree too high, but it can be as much as 2-3 degrees a little low. Roughly stated, the rear pinion angle needs to be at the same angle the new rear CV driveshaft is.