Naturally Aspirated Engine [Archive] - Page 3

odd vacuum issues (5 replies)
MAF sensor ONLY Part Number Search ANYONE? (1 replies)
Need Oil Pump - Upgrade to STI? Stock '97 L-GT (9 replies)
Who has gone mufflerless? (16 replies)
.. a smoother idle (1 replies)
P0303 & P0304!! Random Misfires.... its knock sensor! FIXED! (76 replies)
Fuel vapor canister (1 replies)
Muffler positioning/tip recommendations (1 replies)
What to do (exhaust)? (1 replies)
gaskets to use w/ borla replicas? (2 replies)
1995 Legacy Exhaust fitment (3 replies)
timing belt idler pully. What would you nex move be? (5 replies)
I.D. this HeadGasket (7 replies)
95 L leaking oil like crazy (18 replies)
2003 BE short ram (11 replies)
2.2 engine knock (7 replies)
Broken/missing rad bleed valve (9 replies)
2.5 DOHC plug wires? (17 replies)
Head-Gasket Failure Explaination (15 replies)
Engine noise? (1 replies)
heating issue (13 replies)
heating issue (1 replies)
Broken Timing Belt 96 Legacy L Wagon HELP!! (12 replies)
UEL Header Question (5 replies)
Misfires on all 4 cylinders? (1 replies)
2.2 to 2.5 swap (5 replies)
High Mileage Legacy GT (1 replies)
Headers when having a ej22 (21 replies)
How to take off plastic wheel well to install CAI. (7 replies)
Anybody using Cosmo intake? (2 replies)
Burning way too much gas (22 replies)
Odd Mileage Issue (8 replies)
What is this sensor? 2008 legacy (4 replies)
Borla Headers (3 replies)
Possible IAC valve issue? Need help! (3 replies)
Need help! ID this part. (5 replies)
2.2 Valve cover gaskets (4 replies)
Seal Kits (6 replies)
"Overheating" (108 replies)
UEL Knockoffs: Best brand (9 replies)
Vacuum hoses in a BD (18 replies)
cooling fans staying on after cycling normally once (5 replies)
Any advice code PO420 (14 replies)
Need help, CEL (10 replies)
2003 Legacy catback (54 replies)
cars going CRAZY! (1 replies)
My BD is a little laggy (21 replies)
powersteering pump problema (10 replies)
check engine light on 1997 outback (5 replies)
Oil filter comparison (0 replies)
Subaru Oil Filter test (comparison) (24 replies)
looking for exhaust (2 replies)
swithching over to STI/WRX stock muffler?? (2 replies)
cold air intake for 2007 legacy 2.5i (3 replies)
I want to build a motor... help me decide whats best!!! (59 replies)
Under side Oil build up. (10 replies)
Should I do a LW flywheel? (29 replies)
HG Replacement Auto vs Manual (2 replies)
Are my radiator fans on wrong sides? AC belt help needed.. (27 replies)
Head Rebuild questions (5 replies)
98 2.5 gt tick tick tick tick BLAHHH ! HELP ! (13 replies)
Can 95-98 EJ22 heads work on 90-94? (3 replies)
Weird Oil leak. (4 replies)
WRX exhaust on a BD (15 replies)
Cars running weird (5 replies)
possbile blown HG!!!!!! (18 replies)
Differences between EL vs UEL Headers?? (5 replies)
Quick question about STi catback (5 replies)
200hp ej22 can it be dun (16 replies)
96 legacy hard on gas (9 replies)
Finding Ebay Intake Pipe. (I Searched) (3 replies)
Cool but sleek mufflers for subies (10 replies)
Vibrant (6 replies)
Bought a new cat back. QQ (4 replies)
Coolant discussion - Honda OEM vs Subaru OEM? (10 replies)
Temperature Gauge Fluctuation... (6 replies)
GForce performance chip?? (4 replies)
Anyone have this setup? (7 replies)
Crazy starting issues after swap (8 replies)
overheating..........maybe (13 replies)
OBD1 or OBD2? (21 replies)
SpeedyRacer or Mirage Power? (5 replies)
A hybrid hybrid intake??? (7 replies)
EJ22 Piston Dish CCs (2 replies)
single port vs. dual port? (10 replies)
Installing UELs (20 replies)
Exhaust leak in the cat (2 replies)
Subaru 9 pin connector (3 replies)
The cooling system presure (17 replies)
Headgaskets crumbling externally? Should I be concerned? (8 replies)
Cooling fan question (4 replies)
Fuel Injectors. (5 replies)
o2 sensor question (7 replies)
Repacing gas tank filler neck (10 replies)
Just trying to figure this out. (5 replies)
Crankshaft Pulley Recommendations (4 replies)
STi Intake Manifold on 1997 Legacy 2.5GT Wagon ???? (6 replies)
The engine feels tired (17 replies)
gas tank leak? (11 replies)
Removing Pulley Cover (5 replies)
EJ251 heads with EJ25D block (10 replies)
Help! (33 replies)
Ej251/d (2 replies)
WRX/STI Exhaust for my 2001 BE Legacy (4 replies)
high flow cat question (4 replies)
E-85 Discussion (10 replies)
What causes an IACV to constantly foul? (6 replies)
will this test pipe work? (7 replies)
WRX exhasut on on a BE (5 replies)
Grimmspeed Crank Pulley (11 replies)
Cylinder 1 misfire... What I have found so far. (5 replies)
Cold air intake into stock airbox (2 replies)
EJ251 heads on an EJ25d? (3 replies)
Headgasket replacement questions. (5 replies)
Intake Manifold Questions. (13 replies)
Motor going bad? :( (13 replies)
Engine Identification (15 replies)
Help :( Headers (1 replies)
EJ25 ITB? (7 replies)
SOHC EJ25 headers fit on DOHC EJ25? (4 replies)
EJ25 Oil Coolers (5 replies)
Will this track pipe work? (5 replies)
it wont start........AGAIN!!!!!!!! help appreciated (5 replies)
Possible Noob Question buuut I cant find anything about it~~ (1 replies)
Automatic or JDM EJ25 block? (6 replies)
Will this still work? (4 replies)
putting motor back in (4 replies)
problems with timing belt? (7 replies)
Two questions.. (2 replies)
Oil pressure gauge (5 replies)
Need timing belt help! (8 replies)
Rear main seal leaking? (13 replies)
Lightweight pulleys - Group A alternatives? (5 replies)
Car bogging at full throttle off the line (119 replies)
Which Exhaust....... (6 replies)
1st time Subaru Owner (3 replies)
No fuel pressure, won't start. Need assistance (10 replies)
WHat phase ej25 do i have? (14 replies)
air intake help (19 replies)
Oxygen Sensor... Suggested Brands (10 replies)
Oil pans Ej22 vs ej25 (4 replies)
Can anyone tell me what the pitch stop bolt size is? (4 replies)
$1800 for a HG Job?! (17 replies)
Running at a low rpm/bogging (11 replies)
Camshaft question need help quick revised, more trouble (10 replies)
Exhaust, Intake, & Engine. (11 replies)
rallitek plug wires? (5 replies)
Short ram intake (8 replies)
97 Ej25 DOHC valve adjustment (6 replies)
P0325 and P0441 (1 replies)
Timing Belt- To reuse or not? (12 replies)
Muffler (9 replies)
spuddering when driving? (38 replies)
air conditioning on, car getting to hot! (4 replies)
Rebuilding EJ251 - anything 'special'? (11 replies)
Coolant leak?? (5 replies)
New radiator (4 replies)
timing belt fitment (1 replies)
Idle problems. (1 replies)
oil leak (2 replies)
Think this will fit? (10 replies)
It's finally time to get rumbling! (Headers inquiry inside) (2 replies)
More louder, and more rumble suggestions... (71 replies)
plugs,wires...cap/rotor? (2 replies)
Impreza 2.2 intake on 2004 legacy BE (6 replies)
Will this fit? (1 replies)
Misifire Issue after Plugs change. (5 replies)
Intake Manifold Bolts. EJ22 (2 replies)
Why is my car quicker and more powerful all of a sudden? (27 replies)
Detergent-free OIl for EJ22.? (2 replies)
Oil leak, what to replace? (10 replies)
Electical upgrades/plugs (9 replies)
will it fit? (4 replies)
97 2.2 Legacy diag. code P0302 (8 replies)
anti-surge mod (12 replies)
Do I need to use Subaru's Coolant Conditioner on a 2.2 (6 replies)
Jerk, and Quick bucking 2002 Legacy GT Need Advice (13 replies)
New possibility... (3 replies)
Gutting a little bit of the 2nd cat (2 replies)
Time for a new oxygen sensor I guess (5 replies)
ej25d sound? (19 replies)
Fun setup? (29 replies)
Convince me to keep my second catalyic converter (26 replies)
97 outback exahust inlet size? (3 replies)
Loss of pep as of late... (7 replies)
P1441 and P0453 Plus problems with re-fueling (10 replies)
Flashing CEL after MAF cleaning, any relation? 99LOB (7 replies)
2.5 Headers: Fitment question? (5 replies)
Poor idle (8 replies)
Removing cams on Ej25D (15 replies)
Fuel pump grounding issue (4 replies)
crank pulley (2 replies)
'97 outback cam seals. (1 replies)
partial throttle surge (12 replies)
Wet air filter (4 replies)
1996 Subaru Legacy Overheating (4 replies)
jdm ej25de into usdm veh. (3 replies)
01 BE - Constant "whistling sound" (2 replies)
car bogs and dies (26 replies)
Throttle/ Idle Issue (7 replies)
Leaks? (12 replies)
check engine light (8 replies)
2.2 header options (34 replies)
I need to replace an EJ25 shortblock.... (13 replies)
Timing Belt EJ251 where to find? (1 replies)
Hydrolock or bad tensioner? (11 replies)
What is this thingy? (4 replies)
harmonic at ~3000 rpms (8 replies)
sti pitch stop...will it work? (9 replies)
ebay intake pipe help (2 replies)
Whistling sound under acceleration? - Video Inside!!! (14 replies)
Which oil to use? (5 replies)
Considering doing a silencer removal/delete. (14 replies)
exhaust questions (9 replies)
Oh for the love of God.. P0325 (5 replies)
CEL P0420 (8 replies)
Cylinder 1 misfire (21 replies)
Catalytic Converter rattle. (22 replies)
Exhaust options for cheap... No generic stuff please... (18 replies)
Coolant going into overflow tank...... (13 replies)
Question regarding UEL Headers for my wagon... (18 replies)
CEL after UEL Headers (3 replies)
Water Pump issues possibly? (11 replies)
Installed Phenolic spacers now no spark? (6 replies)
EJ22 High compression thoughts and ideas. (3 replies)
94 Thunderbird Starts but won't idle. (8 replies)
Rod Knock on my high mileage 2.2? Video!! (17 replies)
1997 outback question (1 replies)
STi/LGT OEM manifold? (10 replies)
Intake manifold vacuum hose (13 replies)
Cold Air Intake (2 replies)
need some valve cover gaskets.... (2 replies)
Throwing 5 codes dealing with fuel injection/air intake.... (15 replies)
Turbo Metal muffler fitment (2 replies)
ej22 runs at times (7 replies)
question about changing piston rings. (6 replies)
Replacing o2 sensor using a wideband (1 replies)
P0141, p0301, and p0303 on 97 lgt (9 replies)
EJ25 + SOHC? (23 replies)
No more AC compressor-no more Tensioner-I want to keep P.S! (12 replies)
Leaky gas tank (18 replies)
Can somebody tell me what this is for and how it mounts? (6 replies)
Question about spark plug gap for 97 BG (7 replies)
Exhaust Setups (6 replies)
Glass Packs... Who's running em? (28 replies)
SPT muffler question... (6 replies)
wrx after market exhaust (6 replies)
random motor stall outs (2 replies)
Engine ticking (11 replies)
EGR system help (2 replies)