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The power rack
and
pinion..stee&g
.gstem--h,w,
a ,rotaq- spool valve which
directs hydraulic fluid coming from the power steering pump
.to one side or
the other side of the rack piston. The integral rack.piston is attached to the
rack. The rack piston converts hydraulic pressure
to a linear force which
moves the rack4eft or right. The force is then transmitted through the
inner and outer tie rods
to the steering
.
.
knuckles,
,
which turn the wheels
If hydraulic assist is not available, manual conirol,
is 'maintained. However
under these, conditions. more steering effort is required.
4.6
LITER NORTHSTAR ENGINE
Displacement
...............................
.4.6L (279 cu.in.)
No. of Cylinders
................
32-valve DOHC 8
-
90 Degree V
Power (ACC. to S A E 51349)
................
270 (b,hp)
@
5600 rpm
Torque (ACC. to SAE 51349)
............
300 (lbs.
f t . )
@? 4000 rpm
ELDORADO
......................................
204 (kW) @ 5600 rprn
......................................
407(N*m)
@
4OOOrpm
ETC
Power (ACC. to S A E 51349)
................
295'(bhp)
@
6000 rpm
Torque (ACC. to S A E 51349)
............
290 (lbs. ft.)
@?
440.0 rpm
Bore
........................................
93mm.(3.66.in.)
Stroke
......................................
.84mm (331in.)
Compression Ratio
....................................
10.3: 1
Cylinder Block
......
Die Cast Aluminum with Iron Cylinder Bores
Cylinder Heads
.................................
Cast Aluminum
Intake Manifold-
............
Die Cast Magnesium / Thermoplastic
..........................................
Air Induction Tubes
........................................
220 (kW) @ 6000 rpm
......................................
393 (Nom) @
4400
rpm
Valve. System
...................
Direct Acting Hydraulic Tappets
Intake Valve
..................................
33mm (1.29
i n . ) .
Fkhaust Valve,.
................................
29mm (1.14.h.)
Pktons
......................................
Cast Aluminum
Firing Order
..................................
1-2-7-3-4-5-6-8
L e f t
Bank
...........................................
2-4-6-8
325
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