Now installing complete bushing replacements for the Z From the front to the complete rear suspension... If your car has 150Kmiles on it most likely ALL the factory silcone bushings are leaking..The front shakes or tires wear out very fast and on the rear you may have a bump or two..bring your car back up to New status by having the bushings replaced.
Tune-ups with full diagnostics -- find out wants going on with your car.
Regular replacement or upgrades for injectors, timing belts,etc,