Quote Originally Posted by FordMan77 View Post
125K with unknown maint. history, I'd do the LIM gaskets/coolant elbows, change the plugs/wires and change the oil in the S/C. Then I'd do a trans. pan drop/filter change/transgo kit/refill as well to keep the built of glass trans happy for as long as possible.
X2

Engine oil and filter change
Trans oil, flush, and filter change
Flush and refill coolant
Change air and fuel filters
Drain and refill power steering, brake, and supercharger fluids
Spark plugs and wires

Take care of the preventative maintenance then move on to the fun stuff.