As you are looking at the front of the engine, it is located behind the vacuum pump; bolted to the block.
On the transmission.
on the timing cover sensing the damper
7.3 Liter Turbo
gas or diesel?
A 1990 F250 with a 7.3 liter diesel in it should get roughly 20 miles per gallon. This will decrease if you do not regularly have maintenance done on the truck though.
1994-2003
The diesel engine available in the 1984 Ford F-250 is a : ( 6.9 liter / 420 cubic inch / V8 diesel )
350 horsepower f250/350 325 horsepower f450 650 ftlbs f250/350 600ftlbs f450
The 2009 Ford F250 6.4 liter diesel pickup truck has a listed towing capacity of 8500 pounds. The manufacturer recommends that you do not exceed the towing capacity.
Under the valve covers
top center of engine
I'm assuming you're looking for the vacuum pump? That's located on the front passenger's side of the engine. Right between the alternator and fuel pump.