shock absorbers

When disconnecting the shock absorbers to fit the new springs I found this on one of them. Bear in mind these are 22 years old this year and look pretty much perfect on the outside. The thread is totally wasted away by rust within the rubber to probably 40-60% of its original diameter...

Hi guys! I just discovered that my LC is about 10 centimeters (4 inches) lower on the left rear side than the rest of the car. Measured between tire and fender. The spring looks solid. Sounds solid when hit with a hammer. The shock absorber also looks ok. I have Koni Heavy Track all around -...