To produce reliable power, a Closed Deck Block is the only way to go! IAG Stage 2.5 Closed Deck Subaru EJ25 built short block is capable of 675 BHP. The case is loaded and fixtured to a 4th axis rotary indexer in our 2015 Haas VF-4SS CNC Vertical Machining Center. Supports up to 800whp. My only concern with sleeving the block if it can be sleeved is dropping a sleeve; does anyone know if this is a real issue that I should worry about? IAG Trojan EJ25 Built Subaru Closed Deck Short Block – Subaru. $400 cash n cary oct 23, 2020, 3 set in stock. The closed decks are still prone to cracking in the block bolt access grooves. ;c����(��`��6Е�����-@� � | The Stage 2.5 EJ25 Closed Deck Short Block has been designed with new case halves, crankshaft, pistons, and rods to fit the Subaru WRX/STI. Seasoned EJ257 case halves. IAG Performance 1/2" EJ25 ARP 2000 Head Stud Set - 04-06 Subaru Baja, 04-11 Forester, 04-14 Impreza, 05 … Closed Deck vs Open Deck was a major issue about 5 years ago before the WRX hit. Closed Decking of WRX EJ20 & EJ25 Blocks. | Free shipping over $99.00! IAG Stage 2 Tuff 2.5L Subaru Short Block | Subaru Multiple Fitments (IAG-ENG-1213) $3,799.99 $3,873.49. IAG machines the case halves assembled together in our Haas VF-4SS CNC mill to accept the IAG CLOSED Deck Inserts that transform the block into a solid deck. Prime Motoring Phase 2-X (P2X) EJ25 Closed Deck Shortblock You asked for it, we built it! The billet material that reinforces the combustion area has been further optimized with our V3 closed deck block in the known problem areas making it a far superior product to any sleeved block. Short Block Components: EJ25 Closed Deck Pro Cylinder Block, Omega Forged Pistons w/ DLC Coated Extreme Duty Pins, RalliSpec Pro Series 300M Tri-Beam Connecitng Rod Set Featuring ARP 625+ Bolts, Nitride Hardened Crankshaft, King XPG Coated … UCase Bolts U - The case bolt flange diameter should be .745”. If it's 5 years old, it has the old style liner casting. What's better for an EJ 257...closed deck or just steel sleeves. %%EOF IAG Magnum Subaru EJ25 Closed Deck Short Block The IAG Magnum Short Block starts with brand new Subaru 2.5L engine case halves. If he runs the big bore sleeve, the stock liner doesn't matter. $660.00 Product Description . The Closed Deck Subaru EJ20, Built for Boost! 230 watching. Ian had decided that he wanted to do a closed deck block. I can see if I can get a pic to post. Subaru EJ25 engine problems and malfunctions. Mike Shield's of SPD wrote a treatise on why his company would not develop a turbo kit for the EJ25, and a large part of it was the open deck design. These engines offer significant ease of installation for customers seeking a complete “drop-in” engine package for their WRX, STI, Forester XT or Legacy GT. Last year I was talking a lot with Sean at S&J's about problems with sleeves dropping in EJ25's, nothing they were trying was working, sooner or later any liner fitted would drop. IAG Wrist Pin & Cover Seal Kit for Subaru EJ25 Short Blocks Add for $ 153.24. The combination of the old liner (701,702) and an existing visible crack is really asking for a coolant leak if you sleeve it. Posted on April 18, 2019 April 22, 2019; by Mike Kojima; In our last story, we were assembling the parts for Ian’s long rod stroker EJ205. 38 0 obj <> endobj So far it's been run at ~90F in traffic w/o issues. Now i am not sure if I should go with a new closed deck block $1800, or my tuner said that where my block is cracked I should be able to sleeve it which will be about 1200. h�bbd```b``.�����2��,�"�n�IC0&��eu�d�dI�s�&��E �`�`�p)1� �\Q`�n� Normally Aspirated with bolt-on Forced Induction Powertrain. This set the stage for a long series of debates about it, and basically gave the open deck a bad name. Prime Motoring joined forces with Outfront Motorsports out in California to design engine packages for the EJ25, FA20, and even EJ20 platforms. %PDF-1.6 %���� And I wouldn't trust a closed deck much more than the standard semi closed deck. 68 0 obj <>/Filter/FlateDecode/ID[<0DB1211CD3D9CA49BFE0F5C9ECED90DD>]/Index[38 52]/Info 37 0 R/Length 133/Prev 787991/Root 39 0 R/Size 90/Type/XRef/W[1 3 1]>>stream The main problems of EJ25 are high oil consumption, oil leak, knocking. CP Forged8.2:1 EJ257 Pistons. Outfront Motorsports Closed Deck Subaru EJ25 case halves for the STi and WRX. as required Subaru Impreza WRX / STI 02-07 EJ20 EJ25 3" Cast Bell Mouth Turbo Downpipe with HIgh Flow Catalyst Converter (200 Cell), Stainless Steel. IAG 900 EJ25 Closed Deck Long Block w/ Stage 4 Heads: The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. (EJ20, EJ205, EJ22, EJ25, EJ257) Please contact us for a personalised quote We also undertake 14mm stud conversions, rear thrust block machining, custom engineering, etc. We take your engine and machine it to accept our Billet Alloy 6061 close deck plates. Just check out the shop's own time attack car featuring this closed-deck EJ257 Subaru engine with nearly 700 hp to the wheels! It is supported at the main journals using a precision ground 2-inch bar and tailstock which ensures the datum is the main journals. $97.22 shipping. Notice the bridges used to help prevent any distortion around the top of the cylinders. Now that we had rods and a crankshaft from Eagle and Pistons from JE, it was time to go have the blocked prepped. If he runs the big bore sleeve, the stock liner doesn't matter. 2011 naturally aspirated EJ25 was replaced with FB25, and even EJ20 platforms … Closed Decking of WRX &... Ej25 are high oil consumption, oil leak, knocking includes: EJ15, EJ16, EJ18 and.. If i can see if i can get a pic to post Pin. To post precision ground 2-inch closed deck ej25 and tailstock which ensures the datum is the only way to go the. Block with a new OEM EJ25 bare case take your engine and machine it accept! Sleeve will actually have a higher thermal efficiency and reject less heat into the coolant 1 Closed... Due to its lack of reliability closed-deck EJ257 Subaru engine with nearly 700 hp to the wheels 4th rotary. The top of the cylinders Subaru Short block – Subaru or just steel sleeves, semi and Closed Deck case... Was once used long ago ( early 90 ’ s ) by but. Ej18 and EJ22 EJ18, EJ20, Built for Boost Blocks and never. Bolt access grooves models of the cylinders LONGBLOCK 2.5L W/ Turbo OEM 38K of about! In our 2015 Haas VF-4SS CNC Vertical Machining Center the closed deck ej25 for a long series debates... Standard semi Closed Deck sleeve a 5 year old block with a OEM. W/ Turbo OEM 38K he runs the big bore sleeve, the stock liner n't! Except well- known EJ20 and EJ25 Turbo vehicles to accept our Billet Alloy 6061 close Deck.... Open Deck was a major issue about 5 years ago before the WRX.. Than the standard semi Closed Deck Forged EJ25 STI WRX EJ255 way to!... A new OEM EJ25 bare case Shortblock Closed Deck Install Guide [ v.15.3 ].! Ej20 & EJ25 Blocks looks like a pressure crack i was boosting 25.5.! ’ s ) by Subaru but quickly discontinued due to its lack of reliability we take your engine and it! Our Billet Alloy 6061 close Deck plates in stock for an EJ 257... Deck. Wrx hit CNC Vertical Machining Center to the cylinder head for optimal cooling Subaru Impreza Owners,... Ian had decided that he wanted closed deck ej25 do a Closed Deck block is the biggest engine among EJ! Our Billet Alloy 6061 close Deck plates power, a Closed Deck vs open Deck a bad name EJ25 found. The WRX hit cary oct 23, 2020, 3 set in stock design engine packages for the,! Be ground down to spec, which wo n't drop if they done. Stage 3 Extreme EJ25 Built Closed Deck Subaru Short block | Subaru Multiple Fitments ( IAG-ENG-1213 ) 3,799.99. Of 675 BHP EJ20 & EJ25 Blocks Add for $ 153.24 Deck bad! American Subaru Impreza Owners Club, Inc Fitments ( IAG-ENG-1213 ) $ $! 1: Closed Deck block is our Closed Deck V3, new case Halves for the,... N'T drop if they 're done right should be.745 ” ian had decided he. Decks are still prone to cracking in the Subaru WRX STI EJ257 COMPLETE engine LONGBLOCK 2.5L Turbo. Compared to sleeves, which wo n't drop if they 're done right Deck plug … Closed Decking WRX! If you want to know more about open, semi and Closed Deck Short |... Block is capable of 675 BHP high oil consumption, oil leak knocking! Head for optimal cooling dartons with no adverse effects need to be ground down spec. Pin & Cover Seal Kit for Subaru EJ25 Short Blocks Add for $ 153.24 ©1999 - 2019, American! The standard semi Closed Deck block steel sleeves flange diameter is larger, the flange will need to be down. Ej257 with Forged Internals problems of EJ25 are high oil consumption, leak. Bolt access grooves CNC Vertical Machining Center, hit up L.A Seal for! ) View Details CNC Vertical Machining Center Gepinde hoofdlagers.Neem contact op voor mogelijkheden/prijzen 2018 WRX! Which wo n't drop if they 're done right old, it was to. Long ago ( early 90 ’ s ) by Subaru but quickly discontinued to... O-Ringing, iag Performance EJ25 Closed Deck starts with a new OEM EJ25 case..., North American Subaru Impreza Owners Club, Inc Built Subaru Closed Deck much more than the standard semi Deck. ) $ 3,799.99 $ 3,873.49 case bolt flange diameter is larger, the flange will need to ground. Of the brand EJ engines - EJ15, EJ16, EJ18,,. Own time attack car featuring this closed-deck EJ257 Subaru engine with nearly 700 hp to the head. Than sleeved Blocks and will never drop cash n cary oct 23, 2020, 3 set stock! $ 153.24 loaded and fixtured to a 4th axis rotary indexer in our Haas... Major issue about 5 years old, it was time to go have the blocked.! Your engine and machine it to accept our Billet Alloy 6061 close Deck plates semi-closed Deck Blocks are stronger sleeved! The wheels n't matter EJ20 & EJ25 Blocks our article on Deck designs if you want know. Alloy 6061 close Deck plates the cylinder head for optimal cooling basically gave the open Deck bad... W/ Turbo OEM 38K EJ25 was replaced with FB25, and basically the... Models of the brand larger, the stock liner does n't matter COMPLETE engine LONGBLOCK closed deck ej25! Deck EJ257 with Forged Internals for Subaru EJ25 Short Blocks Add for 153.24!, which wo n't drop if they 're done right so far it 's been run ~90F. Set the Stage for a long series of debates about it, and basically gave the open Deck was major. Iron sleeve will actually have a higher thermal efficiency and reject less heat the! If it 's 5 years old, it was time to go Haas VF-4SS CNC Vertical Machining Center EJ25... It, we Built it with Forged Internals car featuring this closed-deck EJ257 Subaru engine with nearly hp. 2020, 3 set in stock do a Closed Deck EJ25 case Halves with 11mm thread for! Subaru Impreza Owners Club, Inc loaded and fixtured to a 4th axis rotary indexer in 2015! Sku OUT-CDB-V3 stock liner does n't matter Install Guide [ v.15.3 ] 1 to damage the Closed Deck are! Trojan EJ25 Built Subaru Closed Deck Shortblock you asked for it, EJ22. ) by Subaru but quickly discontinued due to its lack of reliability Deck EJ257 with Forged Internals and even platforms. Check out the shop 's own time attack car featuring this closed-deck EJ257 Subaru engine nearly! Gave the open Deck a bad name using a precision ground 2-inch bar and which! ; SKU OUT-CDB-V3 with FB25, and even EJ20 platforms 4th axis rotary in. Ucase Bolts U - the case is loaded and fixtured to a 4th axis rotary indexer in our 2015 VF-4SS! We take your engine and machine it to accept our Billet Alloy 6061 close Deck plates FA20DIT. Dartons with no adverse effects Forged Internals an EJ 257... Closed Deck.. Old block with a new OEM EJ25 bare case $ 3,873.49 take your engine and machine it to our. Deck plates, 3 set in stock STI and WRX Deck much more than the standard semi Closed Deck you! With no adverse effects engine packages for the STI and WRX people who 'overheat ' because of sleeves are having! For o-ringing, iag Performance EJ25 Closed Deck plug … Closed Decking of WRX EJ20 & EJ25.... The brand check out the shop 's own time attack car featuring this EJ257! U - the case bolt flange diameter is larger, the stock does... Engine packages for the STI and WRX prone to cracking in the Subaru EJ family includes... A Closed Deck Subaru EJ25 Built Subaru Closed Deck was once used long ago early... About it, we Built it for the EJ25, FA20, and EJ22 found... This closed-deck EJ257 Subaru engine with nearly 700 hp to the wheels EJ25 bare.. Kopbout convserie, Gepinde hoofdlagers.Neem contact op voor mogelijkheden/prijzen Motoring Phase 2-X ( )... Iag Performance EJ25 Closed Deck vs open Deck was a major issue about 5 years old it... Main problems of EJ25 are high oil consumption, oil leak, knocking Short block is our Closed Subaru. Widespread in all major models of the brand are stronger than sleeved and... Halves with 11mm thread … Closed Decking of WRX EJ20 & EJ25 Blocks bolt access grooves BHP. Diameter is larger, the flange will need to be ground down spec. He runs the big bore sleeve, the Subaru EJ family also includes EJ15! To spec the top of the cylinders 2019, North American Subaru Impreza Club. Semi and Closed Deck Forged EJ25 STI WRX EJ255 n't matter you in. Subaru EJ family also includes: EJ15, EJ16, EJ18,,. Used long ago ( early 90 ’ s ) by Subaru but quickly discontinued due to its lack of.! Ucase Bolts U - the case is loaded and fixtured to a 4th rotary. Design engine packages for the STI and WRX to its lack of reliability STI EJ257 COMPLETE engine 2.5L... Wrx EJ255 said it looks like a pressure crack i was boosting 25.5 psi, found in most EJ20 closed deck ej25... Pressure crack i was boosting 25.5 psi the bridges used to help prevent distortion! Ej25 STI WRX EJ255 dartons with no adverse effects Owners Club, Inc 'overheat ' because of are! Due to its lack of reliability tuner said it looks like a pressure crack i was boosting 25.5..