I'm the original owner of a '92 Bronco w/ a 5.8L, manual locking hubs
and limited slip front axel.  Our Bronco currently has 210,000 miles and
still going strong.  Never any problems with the EFI or any engine
component.  The only major repair was the transmission at 173,000 miles.

I looked at the original sales brochure and there is no reference to
engine specs.  I also checked the owners manual and also drew a blank.
Maybe you might get lucky with a Google search.

Some comments.
A.  I owned an '87 F150 with the 5.0L.  It was underpowered.  Suggest
you go with the 5.8L.  Also, I remember that in '87 the 5.8L was still
carbureted.  The EFI came in '88. That's why I selected the 5.0 in '87.

B.  Forget the auto locking hubs.  Very unreliable.

C.  We live in the mountains and give our Bronco a tough workout.  This
is a tough vehicle and if you are looking for a 'workhorse', this the
vehicle.  It was the end of an era when they stopped making this
vehicle.  We bought ours in '91 and expect soon that we will have to
replace it.  It is our primary vehicle except for the '99 F350 CC 4x4
used for pulling the 5th wheel.  The only thing close is the Tahoe and
that is not an option.   We might just settle for the new Jeep Commander
with the 5.7L.

Good luck in your search.

I've owned tons of Broncos, and still have one. I'll try to get you some
specs or at least a web site when I get home from work this evening.

Just a quick answer though,

The following is for the full size Broncos only.

The 5.0's were rated around 185HP
The 5.8's were rated around 200HP

I don't remember the torque off the top of my head.

Those numbers moved up and down a little with each year, dependent upon
emissions, and carbureted vs. fuel injection, but didn't stray too far from
those numbers.

Solid axle Dana 44 front '77 -'78, switched to Dana TTB, (twin traction
beam) in 1980, and kept it until 1996, the last year of the Bronco.

Rear axle was a "9in Ford frontloader type until mid year 1982, then
switched to the 8.8in rear, which it maintained until 1996.

Front turn signals moved from under the headlights to beside the headlights,
like the Nissan "Hardbody" from 1987-1991, then back where they belong for
the 1992 model year.

Lots of things will interchange from year to year, as far as body and
suspension, as well.

Gotta get back to work.

More later,

Spdloader

http://www.therangerstation.com/

Alot of info on both the Ford Ranger and the Bronco and Bronco II trucks.

Good luck
Sharky

Check out this site. http://www.answers.com/topic/ford-f-series