premium is required unless you have it retuned for 87.

they're known for coolant elbows, lower intake manifold gaskets, clogged cats, leaking valve cover gaskets, vacuum leaks due to dry rotted vacuum fittings and transmission issues.

The list of repair items are all easy minus the heater core.

Rear plugs are difficult with stock engine pull brackets on the motor, but if you get that out of the way, they're a breeze with 3/8ths ratchet, 3" extension and a 5/8ths spark plug socket.