Im going to try to address a question we get about once a week. Vibration under the Console. Theres one of many cluprits but this is the most common. The Guibo or Flex Disk can lose parts of the rubber between The bolt holes. Im restoring a Cabrio and when i first crawled under the car i noticed that mine needed to be replaced. Heres some pictures that will maybe help. It also smooths out the power transmission to the wheels. Its pretty straight foward. You need a 17mm wrench and socket. Please watch your knuckles. There is alot of unforgiving sheetmetal under these cars.
The Lack of rubber explains why you get an unbalanced vibration.
No where else id rather be