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EJ25 - 2.5L Non-Turbo (1998-2010)

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(All Years) Sticky EJ25 N/A Exhaust Sound Clip Thread
4 5 6
101
79K
 by orndog
('06-'08) Sticky So you want to supercharge your Forester?
13
18K
 by 2.5x_sleeper
Sticky Where to buy performance parts for N/A forester? and some info
2 3 4
79
170K
 by krochta131
('98-'00) Sticky DOHC Valve Shim Table and Part Numbers
1
4K
 by walkbyfaith
Sticky Getting power from an N/A motor
2 3
40
103K
 by forester06x
(All Years) Sticky EPA emissions info Read Only
0
8K
 by good dog
('09-'13) Turbo add to 2010 NA
3
75
 by 2.5x_sleeper
('09-'13) Engine Identification and Replacement
0
46
 by AFNomad
('98-'00) 1998 - Timing marks dont all line up? Help please!
2
24
38K
 by Msa120
('03-'05) 2003 - P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1)
8
158
 by 2.5x_sleeper
('09-'13) 2010 - NA 2.5 Cylinder Damage?
0
120
 by envisioning
('03-'05) 2005 - Cylinder 2 misfire - tried changing plugs, wires, coil pack, crank sensor, etc...
0
116
 by TheGubaru
('09-'13) 2010 - UEL header - can't find anything? - Updated!
2
175
 by Shawnjones01
('03-'05) 2005 - EJ25 O2 Sensor Coupling won't come off engine bracket?
0
80
 by edelweiss
('06-'08) 2006 - Engine oil leak top right side of the engine - head gasket problem? - Updated!
4
428
 by Kodemn
('06-'08) 2006 - Upstream air fuel ratio sensor failed after 29k miles?
3
211
 by 2.5x_sleeper
('06-'08) 2007 - Head gaskets - round two
6
577
 by billp2
('09-'13) 2009 - Valve Adjustment Procedure? - Updated!
7
551
 by kehrberger
('09-'13) 2009 - Valve Cover Gasket replacement?
3
2K
 by Dougie Fresh
('06-'08) 2007 - CEL, tank or evap system leak but unable to locate - SOLVED!
2
30
16K
 by snaker
('01-'02) 2002 - Silicone Radiator Hose/Ancillary Hose Kit?
8
963
 by Sent It
('03-'05) 2005 - Changing timing belt, looks like its out 90 degrees - Help! - SOLVED!
4
652
 by ittech69
('06-'08) 2007 - Oil Drip - any ideas?
3
462
 by 2.5x_sleeper
('06-'08) 2007 - Looking into making my N/A forester a bit quicker - any suggestions?
6
423
 by wtdash
('06-'08) 2007 Forester N/A Oil Consumption
7
256
 by [email protected]
('01-'02) 2002 - After overhaul a bit of oil covering the head gasket/surfaces?
9
325
 by SubiAficionado
('06-'08) '06 - '08 Exhaust Vs. earlier years
15
3K
 by dimarcchr
('09-'13) 2009 - Where can I buy a used engine from Japan.
4
285
 by DiazChris
('98-'00) 2000 - Screws for IAC valve stuck - like they're welded on, afraid of snapping the head off!
3
456
 by Theseus161
('09-'13) 2009 - Engine Noise after Head Gasket Replacement? (video)
5
316
 by jaronwest
('03-'05) 2003 - Spark Plugs and Wires?
17
6K
 by orndog
('09-'13) 2009 - cam pulley/sprocket BROKE OFF while driving 70-75 on the highway. (video)
2
24
2K
 by Inspector
('06-'08) 2006 - Cam Plate Sealant Contaminated Engine Oil (picture)
0
195
 by jaronwest
('01-'02) 2002 - Possible rod knock? (video)
0
401
 by AVRZR
('01-'02) Yet another timing belt question - SOLVED
3
281
 by Shredwhiteandblue
('09-'13) Cobb Tuning Stage 1 package install help
1
186
 by numskull50
('01-'02) 2001 - Stock Forester 5 Speed Performance Upgrade?
5
478
 by sneefy
('06-'08) 2006 - Valve Test Failed (leaking) - What Now?
0
191
 by jaronwest
('09-'13) Need injector swap instructions
0
175
 by a_watson5
('03-'05) 2001 with 2004 engine - Misfire, Check Engine Light (CEL) can it be so simple?
2
2K
 by RallyFOZ
('01-'02) Help - tap broke off in block - SOLVED!
5
307
 by DaveL
EJ25 - 2.5L Non-Turbo (1998-2010) Technical discussion of the 2.5L naturally aspirated (N/A) powerplant, bolt-on power adders, exhaust options, etc.
43.7K posts
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