A Ford Lrg-425 Efi Engine Specifications - Genie S-65 Service Manual

July 2005
REV A
Ford LRG-425 EFI Engine
Displacement
Number of cylinders
Bore & stroke
Horsepower
Firing order
Low idle (computer controlled)
High idle (computer controlled)
Compression ratio
Compression pressure (approx.)
Pressure (psi or bar) of lowest cylinder must be
at least 75% of highest cylinder
Valve clearances -
collapsed tappet
Lubrication system
Oil pressure
(operating temperature @ 2500 rpm)
Oil capacity
(including filter)
Oil viscosity requirements
Above -15°F / -26°C
Above -22°F / -30°C
Use oils meeting API classification SJ or SH.
Units ship with 15W-40 SJ.
Ignition system
Spark plug type
Spark plug gap
Part No. 77828
153 cu in
2.5 liters
4
3.78 x 3.4 inches
96.01 x 86.36 mm
70 @ 2500 rpm
52 kw @ 2500 rpm
1 - 3 - 4 - 2
1600 rpm
320 Hz
2500 rpm
500 Hz
9.4:1
0.035 to 0.055 inches
0.889 to 1.397 mm
40 to 60 psi
2.75 to 4.1 bar
4.5 quarts
4.3 liters
10W-40
5W-30
Motorcraft AGSF-32-FM
0.042 to 0.046 inches
1.07 to 1.17 mm
S-60 • S-65
Engine coolant
Capacity
Starter motor
Normal engine cranking speed
Current draw, normal load
Current draw, maximum load
Circuit voltage drop
while starting, maximum (normal temperature)
Brush length, minimum
Commutator run-out, maximum
Electronic fuel pump
Fuel pressure, static
Fuel flow rate
Alternator
Output
Battery
Type
Size
Quantity
Cold cranking ampere
Reserve capacity @ 25A rate
Section 2 • Specifications
SPECIFICATIONS
11.5 quarts
10.9 liters
200 to 250 rpm
140-200A
800A
0.5V DC
0.25 in
6.35 mm
0.005 inches
0.127 mm
63 psi
4.3 bar
0.58 gpm
2.2 L/min
95A, 14.5V DC
12V DC
13 3
13 x 6 / x 9 / inches
16 8
33 x 17.3 x 23.8 cm
1000A
200 minutes
2 - 5
1