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U
Sticky
**PSA** So you have a >400whp fully built setup: Protecting Your Investment
user1029
Feb 9, 2014
3
4
5
83
85K
Jun 18, 2022
by
yamahaSHO
T
Sticky
To Read If You're Considering Forged Pistons
Toivonen
May 7, 2015
18
20K
Sep 13, 2018
by
S2000_Europe
Sticky
Subaru 2.5L Engine/Motor Building 101
Kevin
Dec 21, 2008
3
4
5
86
129K
Dec 2, 2014
by
user1029
Low Fuel Pressure Question
fawkesthat
6d ago
12
372
3d ago
by
mcglsr2
C
2008 STi Build suggestions
connorc170
Mar 1, 2024
5
280
Mar 1, 2024
by
Karlot
Turbo sizing for 450whp?
Kojira_STI
Feb 11, 2023
23
6K
Feb 23, 2024
by
enoxard
C
Upgrade from Cobb 20g Turbo
chopper2012
Feb 8, 2024
12
1K
Feb 12, 2024
by
mheyman
V
Damn pickup tube. Build or Rallispec?
VtecThis
Aug 15, 2010
34
10K
Feb 8, 2024
by
Karlot
J
G30-770 with a EJ207 2.1 stroker
jdmsti2015
Sep 4, 2023
22
3K
Jan 31, 2024
by
Karlot
ALL cylinder misfire, new motor
muller_777
Jan 2, 2022
20
5K
Jan 28, 2024
by
Pb200
Stopping EWG Flutter/Chatter
Entreri913
Sep 29, 2023
17
2K
Jan 17, 2024
by
ej_257
NEW GRIMMSPEED BB500 TURBO ?
TorqueStable
Mar 17, 2022
Poll
74
21K
Jan 15, 2024
by
Slowscooby26
4
Side feed injectors
42_sti
Jan 9, 2024
16
1K
Jan 10, 2024
by
yamahaSHO
STi Bearing Failure, to replace AVCS or not?
bigolive
Dec 24, 2023
13
2K
Jan 8, 2024
by
JohnSub2013sti
Extending Forged Motor Longevity w. Hydronic (Coolant) Pre-heaters
Enlight
Dec 9, 2023
16
2K
Jan 3, 2024
by
Enlight
Looking for extra clearance rod bearings
jordancaird2
Dec 7, 2023
0
798
Dec 7, 2023
by
jordancaird2
Blouch 2.5 2021 STi Spun Bearing, What direction to take?
bigolive
Nov 27, 2023
44
3K
Dec 2, 2023
by
mheyman
Cobb/ID 1050X vs. ID 1000: how much of a difference is it really?
Zzyzx85
Nov 30, 2023
12
2K
Dec 1, 2023
by
Karlot
D
Built Forester XT Issues
david211
Nov 20, 2023
3
1K
Nov 29, 2023
by
PhoSho
1
Quiet exhaust on medium power build.
135Hoser
Oct 17, 2023
33
3K
Nov 28, 2023
by
anomalous3
Puff of Blue Smoke before and after acceleration to idle
Felixsti
Aug 14, 2023
7
1K
Nov 22, 2023
by
brandon.raineri
C
Arashi turbos
Chris40
Jun 9, 2023
34
8K
Nov 11, 2023
by
Karlot
P
Iag 950 close deck build 2020 sti
paparoo
Jul 16, 2023
2
3
4
125
7K
Oct 21, 2023
by
Black90tsiawd
1
Thoughts on which rotated turbo kit and which turbo.
135Hoser
Jun 13, 2023
14
2K
Oct 21, 2023
by
135Hoser
Engine build plans and mixed valve sizes
anomalous3
Oct 11, 2023
12
779
Oct 13, 2023
by
anomalous3
G
How long do clutches last ?
ghosti14
Oct 7, 2023
9
1K
Oct 9, 2023
by
Jedi03
V
Rattle/knock on fairly new built motor
vTeej
Aug 28, 2023
4
746
Oct 3, 2023
by
vTeej
0
Aeromotive fpr install
09stihatch12911
Sep 30, 2023
2
578
Oct 1, 2023
by
09stihatch12911
E
NEED SOME MORE KNOWLEDGE
eligonzalez2324
Aug 31, 2023
5
640
Sep 16, 2023
by
Jay11STI
2017 Subaru STi Build Plans vs New Car?
Tom17sti
Jul 29, 2023
17
1K
Aug 13, 2023
by
Tom17sti
S
04 subaru sti smokes when coming to a stop.
Stbye
Jul 22, 2023
1
608
Jul 24, 2023
by
Sinkco
S
Fuel Pressure - no start
stamp
Jul 3, 2023
2
804
Jul 21, 2023
by
stamp
600whp+ (rated 800whp) EJ257 Built block TiC Stage 2+2 Track CD
Punisher7
Apr 5, 2023
7
2K
Jul 17, 2023
by
Punisher7
A
New build with misfires please help
alozacha
Nov 17, 2020
33
13K
Jul 14, 2023
by
praha-sti
Header Wrap - should I? - Will it damage my header? - How long will it last?
mheyman
Feb 9, 2020
13
19K
Jul 8, 2023
by
mheyman
P
What are people using for fuel regulator?
Pro50
Jun 27, 2023
2
708
Jun 27, 2023
by
Karlot
P
New to the STl stuff needs suggestion
Pro50
Jun 13, 2023
39
2K
Jun 26, 2023
by
Pro50
D
2002 wrx timing belt tensioner snapped what should I do?
Dylan daly
Jun 23, 2023
0
254
Jun 23, 2023
by
Dylan daly
1
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