Subaru Impreza 2004 Service Manual page 11

MECHANICAL
Crankshaft Crankshaft bearing thick-
bearing ness
3. DOHC TURBO MODEL (AUSTRALIA MODEL EXCEPT FOR STi MODEL)
Type
Valve arrangement
Bore Stroke
Piston displacement
Compression ratio
Compression pres-
sure (at 200 — 300
rpm)
Number of piston rings
Intake valve timing
Engine
Exhaust valve timing
Valve clearance
Idling speed
[At neutral position on MT, or
"P" or "N" position on AT]
Firing order
Ignition timing
NOTE:
STD: Standard I.D.: Inner Diameter O.D.: Outer Diameter OS: Oversize US: Undersize
General Description
STD
0.03 mm
(0.0012
in) US
0.05 mm
#1, #3
(0.0020
in) US
0.25 mm
(0.0098
in) US
STD
0.03 mm
(0.0012
in) US
0.05 mm
#2, #4, #5
(0.0020
in) US
0.25 mm
(0.0098
in) US
cm
kPa (kgf/cm
Max. retard
Opening
Min. advance
Max. retard
Closing
Min. advance
Opening
Closing
Intake
Exhaust
MT
rpm
AT
MT
BTDC/rpm
AT
ME(H4DOTC)-10
1.998 — 2.011 mm (0.0787 — 0.0792 in)
2.017 — 2.020 mm (0.0794 — 0.0795 in)
2.027 — 2.030 mm (0.0798 — 0.0799 in)
2.127 — 2.130 mm (0.0837 — 0.0839 in)
2.000 — 2.013 mm (0.0787 — 0.0793 in)
2.019 — 2.022 mm (0.0795 — 0.0796 in)
2.029 — 2.032 mm (0.0799 — 0.0800 in)
2.129 — 2.132 mm (0.0838 — 0.0839 in)
Horizontally opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine
Belt driven, double overhead camshaft, 4-valve/cylinder
mm (in) 92
3
(cu in)
2
1,108 — 1,304 (11 — 13, 161 — 189)
, psi)
Pressure ring: 2, Oil ring: 1
mm (in) 0.20 0.02 (0.0079 0.0008)
mm (in) 0.35 0.02 (0.0138 0.0008)
800 50 (A/C switch ON)
820 50 (A/C switch ON)
75 (3.62 2.95)
1,994 (121.67)
9.0
ATDC 7
BTDC 27
ABDC 67
ABDC 33
BBDC 53
ATDC 7
650 50 (No load)
700 50 (No load)
1 3 2 4
12 3 /650
12 3 /700