2.5 Liter/Litre Factory Motor | IW STi Forum

GR-Exhausts

GD-Exhausts

Discuss anything related to the exhaust system, like muffler, catback, and turboback exhaust systems.

Sticky Your answer to "I want 400whp" (or more?!)

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Sticky The Official STi engine Venting, A/O Separators, and Catch Cans Thread!!

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by killerbmotorsport

Sticky Compression-Leakdown basic information

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Sticky AVCS Gear Cleaning Guide! (Read this if you spun a bearing!)

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by Undyjr

Sticky Read this before you create a new thread about BOVs (Blow-off valves)

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Sticky Motor Oil - All Chapters, Inclusive -Hat Tip to Ferrarichat.com

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Sticky Everything you need to know about E85

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Sticky Extremely good info for first time turbo owners (Determining Turbo Serviceability)

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Sticky Comprehensive Subaru CEL Code List (XLS File Attached)

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by 2.5 turbo hyped

Sticky UPDATED 03/03/10: Planning a turbo build? This is roughly what it will cost you.

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Rotella T6 Not Available near me

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by AZ_David_Machowski

Tuning for killer b headers ?

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by AZ_David_Machowski

ATP Gen2 GTX2867R or IHI VF48 High Flow

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by Scargo

Misfire at idle all cylinders counting roughness haunting idle

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Do I need new headers?

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by a5m

TD05 20g on a 2.5L

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EJ Oil Pump Data 11mm vs 12mm vs Shimmed

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409

by killerbmotorsport

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540

Stage 2 w Injectors or NO?

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255

Oil level questions.

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AFR 1 learning high positives, 10+

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FKL at tip in and while cruising, any words of advice?

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137

by Shootingfor12

Blouch billet compressor wheels

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591

How much power can the type ra block hold?

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Air Oil Separator and Crankcase Pressure Testing by Killer B Motorsport

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by killerbmotorsport

2020 grimmspeed top mounted intercooler splitter

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by MoneyMonster99

Stripped bolt hole for rear diff drain plug (I think)

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by MichaelLenzi

2010 STI hesitates/sputters at 4000 RPMs

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STi Rigid Collars Replacement

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294

by STi Enthusiast 007

Misfire 2005 sti

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by LkDuggan1311

Air Oil Separator and Crankcase Pressure Testing by Killer B Motorsport

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by killerbmotorsport

Process West TMIC STI Comparison to OEM STi TMIC

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Almost-new STI using oil?

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Parameters an AP can monitor

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by greatnessjohn41

I thought dipsticks were idiot proof, I guess I was wrong. Oil level questions

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Poor Acceleration and no boost

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Looking for pics of fuel line routing

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by SleeperSteady

Short Term Fuel Trim High

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by [email protected]

Garrett Gen 2 turbos

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HELP! Misfire on Cylinder 1 that is killing me!

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by Sjp831

Engine Build Turbo Advice..Dom 1.5xtr or 3.0xtr

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by Karlot

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Different Downpipes

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2016+ STI oil preference

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