Iag block oil recommendation My question is what oil weight is recommend with long block being fully built now. 99 at Subimods. Optimize your engine's lubrication system with IAG Off-Road's high-performance oil pickups. Unlock the potential of your Subaru with IAG Performance engines. 75mm forged pistons, H-Beam connecting rods, STI crank, and new bearings. I've been researching about the topic The IAG Turbo Oil Return Drain Fitting is designed to replace the OEM pressed in return fitting and tube at the back of the cylinder head. 5 closed deck block without install. Aug 5, 2020 · Too late for “hard” break-in? Is it worth doing? IAG stage 2. It really does depend on who builds the motor. Possibly stupid IAG block question I’m fairly familiar with bolt on mods, but almost clueless when it comes to making real power with built blocks (for cars in general, but especially the FA) According to Phatbotti tunings website, the iag stage 2 block is rated for 600 crank up which translates to roughly 450 whp so you should “choose Full build list and mods: -BCP x500R turbo -IAG Stage 2. This long block features a combination of our proven IAG EJ25 2. I personally like the Perrin because you can remove the filter in the bottom during the winter to prevent it from freezing. Explore Subaru cylinder heads from IAG Performance—engineered for strength, durability, and reliable performance in your next EJ engine build. 5L Subaru Closed Deck Short Block for WRX, STI, LGT, FXT is designed for those who plan to drag race their high-horsepower car regularly. 2:06 - Engine Department 13:56 - Stage 122:32 - Stage 223:41 - Stage 2 Tuff26:57 - Stage Apr 5, 2016 · FA20DIT / '15 WRX Build - Yep, I brokeded it [Updated 6/12] Built Motor Discussion Mar 4, 2020 · 2005 sti iag closed deck block e85 fuel what oil? Built Motor Discussion Not planning on reusing your original short block oil plugs? IAG offers a simple comprehensive cover and seal kit that includes (1) Rear main seal and (3) OEM Oil Plugs. the question really is, is the iag block right for you. The IAG Oil Control Baffle and Windage Tray System is designed to limit potential blow-by and prevent oil starvation in your Subaru's WRX / STI EJ engine during high rpm and high g-force driving Iag Performance Iag-eng-s600 600 Fa20 Dit 2. com member. Nov 25, 2020 · I have also been speaking with a local engine builder that can have a darton sleeved built block in my car for 8k cnd which they say is rated for 750whp which is what I would have paid for an iag stage 2. This engine provides a straightforward "drop-in" solution for those looking to upgrade their 2002-2014 Subaru WRX, 2004-2021 Subaru STI, 2004-2013 Subaru FXT, or 2005-2009 Subaru LGT. I would say get the same shop to remove, build/install, and tune the car. Some say a non-detergent oil, some say Rotella 15W-40 conventional, some say any 5W-30 conventional, some say SAE 30 or 40 monograde, etc. 35L Oct 3, 2015 · It gets confusing reading these forums at times because recommendations for oil keeps getting thrown around. Shop our wide selection of products that fit your WRX, STI, BRZ, Legacy GT, or Forester XT. ) Find IAG Performance completely built Long Block engines for your Subaru in the Long Blocks section of our website. Sure enough upon removal of the bolt, the entire length of the bolt is soaked in oil. Rebuilding the block, thought i’d upgrade the oil pan since I’m here. Aug 28, 2014 · Iag offers a 12k mile/1 year warranty on their built motors so you won't have nightmares of your motor blowing up after the dyno. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. 35L Destroked Long Block Engine package is a complete, valve cover to valve cover, crate engine. One person will say 5w40, then another would say 5w30 and then another random comment in between as to why this is better than the other. Get a stage 2, stock heads and you're fine. Am I going to need a new tune for the IAG block? Am i going to have to ditch flex fuel and emissions mods in order to tune for the new block? im using cobb, Will it have to be opensource instead? May 12, 2025 · IAG 950 The IAG 950 is a race-ready engine built to handle serious abuse, high RPMs, and big power. Shop IAG Performance for engine products that fit your Subaru WRX, STI, FXT, LGT, and BRZ. It’s all about what an individual prefers to use In their engine. 5L Turbo Powertrain (EJ Series Factory 2. Improper or insufficient engine break-in (failure to follow assigned break-in procedure, including oil changes. 6% similar) This is the Iag short block for Rx. 5 Short Block starts with brand new Subaru 2. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. I took some ATF and wiped out the cylinders with it. ENHANCED OIL PASSAGES FOR IMPROVED OILING Sufficient oil circulation is paramount for both performance and reliability. Find EJ20/EJ25/FA20 Short Blocks, Cranks, Rods, Pistons, Bearings, Cases, and more. One step closer to being back on the road, good thing insurance covered 95% of the longblock so that I could afford all the oil for the break in period 😵‍💫. All these benefits for maybe a couple hundred extra is well worth it Jul 20, 2017 · IAG Engine problems Vendor ReviewsWelcome to the . Next, a pair of deck plates are attached and the short block is bored and honed to 94. com Subaru forum. 25mm in our in-house Sunnen cylinder hone. IAG Performance has the Subaru oil change components you need—reliable, high-quality parts to help maintain engine health and performance. The IAG 550 long block features our highly popular IAG 550 Short Block that utilizes a brand new EJ25 Subaru case, 99. I have 30k miles in my built motor pushing >500whp daily driven without any oil consumption and spotless oil analyses. Oil Pickup & Baffle Install Notes EJ20 Subaru WRX engines require EJ25 oil pans for fitment IAG oil pickup spacer (Part# IAG-ENG-2081SP) is required when using IAG oil pickup with Killer B Oil Pan. . IAG's OEM EJ WRX STI oil change engine service includes 6 Liters of MOTUL 5W30 Synthetic Oil for high-capacity oil pans, 1 WIX oil filter, and one crush washer. Find Break-in Oil, Racing Oil, Oil Change Packages, Filters, and more. Which one do you want? 5250Performance. AVCS can be cleaned but it is a bitch and some people eat the $600 to replace them. Am I going to need a new tune for the IAG block? Am i going to have to ditch flex fuel and emissions mods in order to tune for the new block? im using cobb, Will it have to be opensource instead? Apr 5, 2022 · Oil System 1) Full Radium system, dual-motor surge tank, IAG oil pump, KillerB oil pan, pickups and baffles OR Full Radium System with Stage 4 Roger Clark Dry Sump System 2) Radium Dual Port Injection ( Considered as deleting the TGV) Transmission 1) IAG Performance Chromoly Transfer Gears 2) IAG 6 Speed Synchro Set 1st-3rd Brass / 4th - 6th Our standard limited workmanship warranty covers your new IAG engine for 12 months or 12,000 miles. Jan 13, 2021 · I've seen plenty of good blocks with goofy installs, plenty of good blocks with good installs, and a couple blocks with bad machining from them. Our AOS design is based on years of extensive research, development, and testing. The IAG MOTUL 5L 5W40 8100 X-CESS Oil Change Package provides everything you need to change the oil on your 2002-14 Subaru WRX and 2004-21 Subaru STI with an IAG Built Engine. 5 closed deck block -IAG street oil pan package -ARP 625+ head studs -EcuTek ECU -Cobb EBCS -AEM 340lph fuel pump -Cobb FlexFuel kit -Subaru ID1300x injectors -ETS titanium intake -ETS FMIC + titanium IC piping -Cobb DP -Invidia R400 exhaust -Tial Q BOV -Turbosmart 45mm EWG -PLM 44mm EEG uppipe -Perrin turbo inlet -Cobb AOS -xClutch Twin Oct 1, 2024 · So as of now for my motor build, I went with the Killer B baffle, pick with stock STI pan. Finding a reliable machine shop to do the heads and a shop to do the assembly correctly are usually most of the problem. It features a spacious 1-liter cast aluminum swirl pot canister tha IAG Performance IAG Air / Oil Separator (AOS) Fits 2002-07 Subaru Impreza WRX, 2004-07 STI, 2004-08 FXT The car uses 5w-30, ideally synthetic, and IAG recommends Motul 5w30 8100 X-clean EFE, specifically noting "the oil used must carry the GM dexos2 rating". Find IAG Performance TGVs, Intakes, Throttle Bodies, Phenolic Spacers, Intake Manifold Gaskets, and Hardware for your high-performance Subaru in the Air Induction section of our website. Available as a Short Block or complete drop-in Long Block, the 950 features IAG’s proprietary Closed Deck design along with 14mm head studs and the proven Fire-Lock Head Gasket System—the same setup used in our record-setting race cars. Our Jan 19, 2021 · yes and no. 5 Closed Deck block in about sub zero. IAG's 1150 2. IAG Blocks are fantastic, mine is sitting at 35ish thousand miles now and multiple track events and all sorts of abuse,there are multiple examples of iag blocks lasting over 100k miles. They even send some back if they are not within their specs to build from. Oct 13, 2024 · Can anyone tell me what the difference would be from pulling your stock block ( running fine ) and putting forged internals in it vs. 35L Closed Deck Subaru short block, built for 950 BHP and revving to 8,500 RPM, ideal for WRX, STI, LGT, and FXT high-performance builds Mar 4, 2020 · Welcome to the NASIOC. 0l Built Short Block For 15-21 Subaru Wrx 600bhp (65. I’m assuming you want to stay close to within warranty guidelines, unfortunately it calls out a grade 5 resource conserving 5w30. Registration is free Mar 25, 2021 · I'm currently running the IAG Stage 2 block on my 17 STi. IAG Street Series AOS Crawford v3 AOS if you don’t live in below freezing temperatures, otherwise get v2 Cobb AOS Perrin AOS They’re all the same. Stay tuned. 4L WRX engine case halves. I'll attach pictures to show exactly which one. Finally, if you don't plan on modding much you don't need an IAG500 block. I am skirting the lines in mine with Motul x-something 5w30, still 5w30, just hope the grade 5 crap doesn’t come up if there is an The IAG MOTUL 6L 5W40 8100 X-CESS Oil Change Package provides everything you need to change the oil on your 2002-14 Subaru WRX and 2004-21 Subaru STI with an IAG Built Engine. Find long blocks, short blocks, cylinder heads, gaskets, and more. I just bring my car out to shows and the occasional spirted driving. Aug 1, 2024 · How does an ra block compare to an iag 550? Finally feeling ready to dive into this project now that some time has passed and the family’s/ other cars are running exceptionally again. Going between the iag street series oil pan package and the killer b cast performance pan + baffle + high flow pickup. Registration is free What Oil should I run? 5w-30 vs 5w-40 - One of the main things to realize about OEM oil recommendations is that they do NOT recommend an oil weight/viscosity (5w-30 in this case) that provides the best wear protection for the engine. Hence why I recommend getting an IAG built block. Components Included: (x2) Gallons Premixed Coolant (x24) Liters Break-in Oil (x4) Oil Filters (x4) Oil Drain Plug Washers (x1) OEM Crank Pulley Bolt (x1) Crank Snout O-ring IAG Stage 2 block is the perfect budget friendly option for anyone planning to make 450hp+. Which pretty much brings us to now, where I am preparing to build up a new block and rebuilt heads currently sitting in my garage. They cannot re-used without being cleaned. Read their recommendations and follow them to the T. The IAG Performance hand-built Subaru 1150 2. -5 to +5f Mar 2, 2022 · Welcome to the . IAG makes decent stuff. I think a bit of header wrap on the downpipe and gold reflective tape on the AOS is in order, maybe even sleeve the lines going to and from the AOS to help, but temp monitoring first so I can see results with data. You CAN mitigate this with proper pistons to wall clearance, which IAG does immaculately. 5L Subaru Closed Deck Short Block For WRX, STI, LGT, FXT - 1150 BHPBuilt for high-octane fuels such as E85 and race gas, the IAG 1150 High Compression 2. IAG Performance - Subaru Performance Parts & Service. Second oil change comes now once you have reached 50 miles of driving. It is important to note that the oil used must carry the GM dexos 2 rating. Anyone have history with IAG blocks on the FA20? Let me know what I should be prepared for if you have any advice. Shop IAG for Engine Oil and Filters that fit your Subaru WRX, STI, FXT, LGT, and BRZ. Obviously, replacing the short block with another stock block is much cheaper, but it's the reliability that I'm worried about. All fluids for initial break-in are included. Shop our selection of products and completely built engines that fit your WRX, STI, BRZ, Legacy GT, or Forester XT EJ20, EJ25, and FA20 engines. Jan 24, 2020 · What would cause external case bolt to leak oil? (IAG block) Built Motor Discussion Find IAG Performance Long Blocks, Short Blocks, Cylinder Heads, Internal Engine, and Assembly Parts for your Subaru in the Engine Build section of our website. For all models of the WRX and WRX STI, Subaru the recommended oil type is 5W-30 synthetic. The accesport is really only necessary when running other than stock parts. 5L engine case halves. If you're looking for even more peace of mind we offer an available 24 month or 24,000 mile limited workmanship warranty through our network of Certified Engine Installation Facilities. Shop our selection of high-performance quality built EJ20, EJ25, and FA20 engines that fit your WRX, STI, BRZ, Legacy GT, or Forester XT. 18 WRX was running e60 FBO before engine issues. Is this true or might be that person's preference I’d go with option 3 but bear in mind you’re not required to buy an IAG block, several other companies make good blocks, IAG just got the reputation for being the best of the best and all the YouTubers and such like to pimp the name. I’m quite Jun 20, 2019 · Does the IAG block come with a different oil pick up? I'd recommend going with a Killer B one if it doesn't. Based in Maryland, IAG manufactures and sells products for the WRX, STI, Forester XT, Legacy GT, and BRZ. 5 FA20 DIT Short Block Killer B FA20 Oil Pickup FA20 Fluidampr iBR Bolt On BRZ Manifold Kit Subaru OEM BRZ Intake Mani ETS 15+ WRX Turbo Kit 2015+ ETS Front Mount Intercooler Xclutch Stage 2 XACT Streetlite Flywheel IAG Performance Competition Series Air/Oil Separator AEM 340 Here is what IAG recommends FA2ODIT (91 or 930ct) - Motul 5w30 8100 X-clean EFE, change oil every 2500-3000 miles Motul 5w-40 8100 X-clean Gen2 may be used in climates where the average ambient temperature is above 80° fahrenheit. 1mm Forged Pistons, meticulously selected, measured, and installed to culminate the short block construction. By joining our community, , you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. 5L Turbo) The IAG Long Block Engine Basic Installation Kits provide all of the basic components needed to install one of our FA20F DIT WRX Long Block Engine Packages in one complete kit. Mar 25, 2018 · Hey guys I have an 08 wrx with an iag stage 2 block and they recommend 5w40 however I put built heads now that have cosworth cams with bc springs and retained and 1mm bored intake and exhaust valves. Aug 15, 2017 · It isn't uncommon to see a stock engine far Outlast even mildly built engines. These engines offer significant ease of installation for customers seeking a complete "drop-in" engine package for their 2015+ WRX. Just browse around without specifying iag, there is tons of information out there you can use to make your decision. Our comprehensive guide covers power levels, reliability upgrades, and the right choices for your Subaru's performance needs. IAG Aug 7, 2019 · The shop is a dedicated subie shop and says they make less money doing an IAG block, but the quality and reliability difference is big enough that they no longer recommend rebuilding the existing blocks unless the customer insists. Edit: replying to someone below reminded me the first reason I considered this - the two banjo bolts were leaking coolant. You can feel confident when increasing your horsepower and torque that the rods are designed to handle the stress. Dec 31, 2020 · Turbo Built FA20 Clearances Engine, Exhaust, TransmissionRegister and become an FT86Club. Jul 16, 2021 · The entire IAG Performance EJ25 Series engine lineup in full detail. Full Mod List: Invidia R400 turboback exhaust Invidia Catless J-Pipe Cobb Flex Fuel Kit IAG TGV/EGR Deletes IAG Stage 2. To further ensure long term reliable power from your EJ25, we highly recommend including the pickup tube Our machinists carefully inspect and modify the internal oil passages of each new OEM case used in the IAG 600 Short Block to ensure proper flow and reliability. Even at 300whp on a block capable of sustaining 1000hp, it will daily like shit. Long story short, last night my friend took everything apart and we noticed that it's coming from an external case bolt. A prebuilt, especially IAG, is probably going to be your best bet. I'll take a bunch of pictures and bring you along for the ride. Too many people throw a short block together and reuse old contaminated oil with debris in it. Our machinists machine the assembled case halves in our Haas VF-4SS CNC mill to accept the IAG Closed Deck inserts, transforming the block into a solid deck. Jan 27, 2019 · ID 1300 injectors PRL front mount intercooler IAG Fuel rails IAG fuel lines set up parallel IAG TGV delete IAG block off plates Grimmspeed Up pipe w/ 38mm Tial EWG Perrin ELH Invidia catless down pipe Tomei catback Cobb accessport Cobb SF intake system Cobb flex fuel kit Cobb ethanol sensor IAG AOS street Turbosmart duel port BOV Killer B oil Part Details: The IAG Stage 3 Extreme Short Block starts with brand new Subaru 2. Jun 27, 2018 · I have used VR-1 synthetic ( Which is what was recommended to me ) and I have switched over to Redline 5w-30 with a