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Sticky **PSA** So you have a >400whp fully built setup: Protecting Your Investment
3 4 5
83
69K
 by yamahaSHO
T
Sticky To Read If You're Considering Forged Pistons
18
14K
 by S2000_Europe
Kevin
Sticky Subaru 2.5L Engine/Motor Building 101
3 4 5
86
119K
 by user1029
S
Smoke on start up and idle with new motor
2
108
 by STI123
SLAYER7899
7500 miles on built motor blew head gaskets😮‍💨
2 3
45
2K
 by yamahaSHO
SLAYER7899
04 STI premature headgasket failure...
7
453
 by 86main
1
2011 Engine Rebuild
3
257
 by AustinSedz
86main
2011 STI Build using Haltech elite 2500
11
499
 by 86main
S
And boom 2012 motor dead :(
2
23
994
 by 86main
Olgreygsti
Rebuild (not broken) heads / block - advice
4
244
 by AustinSedz
muller_777
ALL cylinder misfire, new motor
17
1K
 by muller_777
Punisher7
2015 STi 550-600whp+ Build In Process
2
22
2K
 by Punisher7
a102930
just picked up a 2020 STI, build questions.
10
533
 by enoxard
ChefPhil
Removing the crash beam
14
1K
 by ChefPhil
S
Low boost problem
7
471
 by Jay11STI
A
New build with misfires please help
2
20
5K
 by Ex2bated sti
TorqueStable
NEW GRIMMSPEED BB500 TURBO ?
2
22
2K
 by muller_777
ChefPhil
BCP 500+
7
603
 by got2boostit2
kevin0207
2013 sti won’t start unless given gas
0
284
 by kevin0207
1
Coolant Overflow shooting coolant during WOT
17
1K
 by user1029
STi Enthusiast 007
Need help buying new spark plugs and coil packs
2
638
 by Karlot
Scorpionthumb
Buying a built motor but evidence of scoring of crank
4
535
 by Scorpionthumb
Z12scobaru
Overboosting?
12
433
 by Z12scobaru
W
FMIC with MAP setup
19
668
 by WaltSTi19
G
P0011 and p0021 Iag closedeck built heads +1valves bc stage 2 cams
1
547
 by yamahaSHO
ChaudMasterFlex
Turbo recommendation?
16
1K
 by ChefPhil
2
Built internals, stock block. Rod knock or piston’s lapping a
0
469
 by 2016 subaru sti-MC
AZ_David_Machowski
FMIC with Stock location turbo
2
541
 by Ex2bated sti
AZ_David_Machowski
Reputable machine shop
2
330
 by AZ_David_Machowski
E
New build with Random misfire codes
0
255
 by Ex2bated sti
B
High leakdown BUT high compression numbers??
2
27
2K
 by BootsJunkie
TenTurbo
Low performance on dyno after the build.....very confused!
2
23
2K
 by TenTurbo
Guapo_STi
FP Black, Goal: 500whp
2
23
12K
 by IDNTVPE
kevin0207
Rod knock? Piston slap? Lifter tick?
15
636
 by kevin0207
BrentsBlownSTi
Finally getting my car back.. questions
2
31
2K
 by Karlot
SLAYER7899
2004 wrx sti caught on fire NEED HELP
6
2K
 by TenTurbo
D
Knocking from engine?
2
20
1K
 by Dylan daly
D
450whp+ build on a stock RA engine
5
1K
 by mheyman
Built Motor Discussion
Discuss building, modifying, or swapping your engine internals or aftermarket engine upgrades.
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