* Replace as much of your PS and hydraulic fan fluid as possible with every oil change.
* Monitor and repair any of the suspension components as they start to fail.
* Change the fuel filter.
* May need to change out the timing chain tensioner in the v8. With that mileage you are due.
* Clean the throttle body.
* Whenever you disconnect any electrical plug, spray it with electrical cleaner before reassembly.
* Find and reset all your ground wires.
* Silicone the window tracks.
* Keep the car clean.
* Replace your serpentine belt and the idler and tensioner pulley.
* Use 91 octane, always.
* Check and replace the air filter.
* Check the air pressure in the spare.
* Basically get ahead of things before they leave your stranded.
16 year owner of a gen 1 LS.