2012 Subaru Impreza Owner's Manual - Page 419
2012 Subaru Impreza Manual
Page 419 highlights
Specifications 12-3 & Engine Engine model Engine type Displacement cc (cu-in) Bore 6 Stroke in (mm) Compression ratio Firing order 8.4 : 1 1-3-2-4 EJ255 (2.5 L, DOHC, turbo, except STI) 2,457 (150) 3.9 6 3.1 (99.5 6 79.0) 8.2 : 1 EJ257 (2.5 L, DOHC, turbo, STI) Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine & Electrical system Battery type and capacity (5HR) Alternator Spark plugs MT Turbo models Turbo models 12V-48AH (55D23L) 12V-110A SILFR6A (NGK) - CONTINUED -
&
Engine
Engine model
EJ255
(2.5 L, DOHC, turbo, except STI)
EJ257
(2.5 L, DOHC, turbo, STI)
Engine type
Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cc (cu-in)
2,457 (150)
Bore
6
Stroke in (mm)
3.9
6
3.1 (99.5
6
79.0)
Compression ratio
8.4 : 1
8.2 : 1
Firing order
1
–
3
–
2
–
4
&
Electrical system
Battery type and capacity (5HR)
MT
12V-48AH (55D23L)
Alternator
Turbo models
12V-110A
Spark plugs
Turbo models
SILFR6A (NGK)
Specifications
12-3
–
CONTINUED
–