poopers98sh

Ok, so i have a 98 sh. I used a coilover kit and the car sits about 5 1/2 inches to maybe 6 off from the bottom of the front lip to the ground. I recently fell a bit of vibration, so I decided to change the front left axle mainly bc the front right was done about 2 months ago before the car was dropped. I know i need an alignment with the toe adjusted majorly. When I took the old axle out, the CV boot wasnt torn and it didnt appear to be damaged, although stretched a few millimeters down the shaft. I put the new axle in, and the next day around a turn at a slow speed it start vibrating bad and making crazy knocking noises. I drove about 45 mins home like that and it just got worse. Got home, took off the wheel, and the axle grease is all over the bottom end where the crankshaft is, and the other side of the axle where the wheel well is.. Question is, did I lower this too much, or was it just a faulty axle. Im now spending the day putting the old axle back in and planning on just taking it for an alignment. But question is does that sound like its too low. Its also on stock SH wheels and tires.