Sti max hp stock turbo 91 Dyno with stock Turbo vs. k. Torque wears out clutches and an FBO 8th only makes ~160lb-ft. Additional Benefits. 2psi, so I'm assuming that the 310hp/290lbs of torque at the crank is underrated as it feels a lot faster (even with the revised third gear) than my older 2018 STi did. Mar 14, 2009 · Asking this is like asking how much HP can the stock motor handle. If you have any further questions or need assistance, feel free to reach out! Enjoy! Regards, Oct 28, 2004 · Max hp on stock internals? Jump to Latest 21 - 32 of 32 Posts. aftermarket tunes can blow too but some tuners just tune more aggressive and bad results can happen. 5L Turbo) 27: 01-08-2007 07:49 PM: Max reliable boost from a VF24? Davenow: Factory 2. This brought the peak numbers up to 366. torque comes on earlier because the less aggressive camshaft produces higher cylinder pressures at lower RPMs. I hate limiting the torque for safety, top end power is a lot easier on the internals. 8MM Exducer Compressor Housing - 84MM FAP Cover Turbine Housing - FP 8CM or 10CM Turbine Housing CHRA - FP Journal Bearing Oil Line - Included Gasket Set - Included T Apr 8, 2024 · For the most part you can get a feel for the lag vs. 05 crystal grey STi, wingless, K&N Typhoon, Borla cat-back, Perrin crank pulley, Perrin catch can, Autometer gauges, ground kit. but up here, on a stock turbo, with pump gas you are looking at maybe 340wtq with those mods. 5L Turbo) planning a 600 hp stock location build on 2019 STI - NASIOC Welcome to the North American Subaru Impreza Owners Club Sep 15, 2021 · I had a similar setup with my last STi - I highly recommend ELH. That turbo has one place in life. Mar 25, 2011 · 06 STI stock engine max HP General Community. External wastegates are fun too. 1998 Nissan 240sx RB26 Swap. imo stock location, apt gtx3071r is perfect and is more than enough to max out your block. no advantage in swapping. manifold/extractors 650cc injectors and custom fuel rail Walbro fuel pump and Fuel press reg. the VE for our stock heads is almost dead nuts down the center of max effeciency on the map for the gtx3071r and right around 28psi is where efficency Mar 27, 2021 · Regardless, a protuned stock car is leaps and bounds better than what comes from the factory, HP gains are just an added benefit at that point. The 09 maxes around 280-290ish on pump gas and near 315 on e85 on a mustang with tweaked timing, pre 09's lucky to get 250 realistically. Years ago a friend of mine had a heavily tuned ‘06 STI and a stock ‘88 RX-7 non turbo. Its time to think about an engine. 0L Turbo) 1: 11 Jun 21, 2008 · I have since my tune added a front mount, spark plugs, and a walbro in preparation for a turbo but decided to keep it stock. It'll make as much power as your stock block can take. I want a turbo from a well-reputed brand more than anything else because I don't want to repeat the unhappy experience with Arashitty. Generally speaking, 300whp seems to be the "limit" of the stock motor internals (some cars blow up before, some last well over that). 8MM Exducer Compressor Housing - 84MM FAP Cover Turbine Housing - FP 8CM or 10CM Turbine Housing CHRA - F May 30, 2005 · [QUOTE='05 STi]According to Cobb, I would only need a few bolt-on mods (exhaust, intake, downpipe) to run the Stage 2. This turbo has a bigger exhaust side compared to the vf43. For me that's was a SZ55 push to the max (c16 29 psi) 507WHP on a dynojet or 457WHP in a mustang dyno full boost at 3,800 rpm in 4th. one could show 400 being ok and one can show 350. 5XT 5MT 263whp, 337 lb-ft In a 600 bhp STI I’d have to be going 20 mph faster. 4 PSI. Please update this thread if you learn more . 5 and Apr 23, 2010 · Freeing up the intake and exhaust side won't be detrimental to the life of your stock internals. 82a/r 385whp @ 20psi / 500whp @ 28psi c-16, 11. Jun 17, 2015 · Im not sure, but my E85 tuned STI made 370hp/375 tq @ 20psi on the same exact dyno. On 91 with a reasonable tune I'd expect around 40 HP from the 16gxt, 50-60 HP from the 20Gs, 80 or so from the Green on a stock wide style STI TMIC. 325whp on one dyno could read 275whp on another. Aug 1, 2014 · Re: Exhaust woes, Max HP on Stock CBE? I'm at 364HP/340TQ running the stock cat back on my '08 hatch. Sep 5, 2005 · WTB: Stock 05 STI turbo to intercooler hose: AnorexicSTI: Private 'Wanted' Classifieds: 0: 10-01-2006 05:18 PM: SOCAL WTB A STOCK 05 STi Turbo VF39: KRYPTN2: Private 'Wanted' Classifieds: 1: 08-17-2006 06:34 PM: SOCAL; FS Stock 05 STi Turbo: KRYPTN2: Private 'For Sale' Classifieds: 10: 04-03-2006 11:32 AM: stock 05 sti turbo, injectors, fuel Mar 21, 2014 · Event: E85 Tune Location: Yimi Sport Tuning, Santa Clarita, CA Ambient Temp: 79F Elevation: 1320 ft Car: 2013 Subaru Impreza WRX STi Sedan Tuner: Paul Leung Dyno Info: Dynojet Transmission: Stock Turbo: Stock @ 22. 16g is around 300 RPM later to spool, 20Gs are about 500 RPM, and the Green comes in just a little later. my car is only on pump gas. I am porting and polishing the wastegate this week-end. the stock tune is 100% pure garbage and stock motors can blow easy. Still safe on the stock bottom end. many have tried most have failed. 1 Turbo; How far can you push a stock STI block and keep it reliable? This is a question Softer stock suspension than normal, td04l on an ej255, 205/50 tires, no wrx logo on seats, and a few other oddities. Dec 25, 2006 · A stock turbo evo XI (with the bigger 18G and MIVEC) can hit 400whp on race gas with the stock turbo and hit 11's but that's with the turbo maxed out running like 28psi of boost. If you went stage 1 you'd get about 18 psi on your tune. Reliable power is a lot harder to do now since oil catch cans and EGV and TGV deletes are generally the biggest reliability mods followed by a intercooler if you live somewhere hot. i know the main difference though is because the evo is a cast iron block whereas ours is aluminum. Yes you can make 1000WHP on a stock block, yes it won't last. it all depends on the dyno, it is perfectly safe since Stage 2 STI's run stock injectors and pump, but you are leaving about 20-25 hp (in the cold Jun 5, 2014 · Cobb estimated hp. This was on a SZ55 with supporting mods on meth injection using a crappy SMC kit. etc Apr 5, 2009 · High mount Garrett GT35 turbo 40mm wastegate 3" turbo back exhaust w/custom exh. 25cc/min per hp. 0L Turbo Powertrain (EJ Series Factory 2. My stock pressure plate failed on me at 80k after flat foot shifting (lost fingers and springs) so I replaced it with an Exedy organic stage 1 and Exedy lightweight flywheel. Cars with stock turbo, stock fuel, CAI, TBE made 300-315 whp. Capable of producing 400hp and retaining excellent throttle response, the COBB 20G is a perfect turbocharger for street or track use! Apr 27, 2006 · evos have forged internals but don't sti/wrx have those too? i don't know. Nov 4, 2011 · EJ said it. 0L Turbo) 3: 04-06-2004 11:51 PM: what is the maximum hp the STi 6speed can handle? trinydex: Transmission (AT/MT) & Driveline: 7: 02-11-2004 07:48 PM: Maximum HP on stock RS fuel system with walbro fuel pump: Chav: Normally Aspirated with bolt-on Forced Aug 27, 2021 · Before the STI Type RA block came out, we told customers that the safe power threshold for a stock EJ257 was right about 350 whp. The heart of forced induction systems, turbochargers increase air intake for more horsepower and torque. This was also back in '05. since i got the car back i have been driving on a cobb 91 map with standard waste gate and i retarded the map 2 degrees with the cobb ap adjuster menu to get rid of every ounce of knock. Do you guys think this would be a good turbo upgrade for a daily driver? Is the GT35R to big of a turbo for our engines? Does anyone know the maximum potential (safely and reliably) of the stock internal motor? I am considering building the block and heads. May 21, 2018 · Realistic HP from a stock JDM EJ205? depends on dyno. Want to run higher on a stock turbo? water/meth injection or E85 seem to be the best alternatives. here's the thing, if you are on a stock turbo, you are NOT making 500ftlbs. Sep 23, 2019 · Car number one came in with the actuator untouched and unmodified. Not sure about the 48 though (sti 08 stock) Nov 4, 2011 · EJ said it. I struggle to get up to 17 PSI when I am really getting on the car. 7 Turbo Diesel engine is available in RAM 2500 and 3500 Heavy-Duty pickup trucks and RAM 3500, 4500 and 5500 Chassis cabs. Jan 21, 2004 · The above URL states that stock injectors are rated @ 480 max flow. The two in conjunction should also help you reach target boost a bit more quickly, but as far as max HP and TQ numbers, they won't really have any effect. Multiply by the desired level of horsepower, divide by injector duty cycle and number of cylinders. a. 75:1 this along with our super smart knock detecting ECU's will give no engine problems, you can even add in a catback ,high flow cat and intake and still be in the low 11's for AFR's. 5L Turbo) 23: Dec 27, 2015 · 14 sedan: Protune: 318AWHP 344ft lbs up pipe, Tial EWG, AEM intake, Cobb AP V3, 3" TBE, Avo FMIC, Turbo Smart bpv, Aem air fuel gauge,Cobb knob,Perrin Pitch Stop mount, SPT front strut tower brace, K-Sport coilovers@1. Even the new STIs that show up have something or other already Nov 26, 2011 · 280-290 whp "IS" a stock 09 WRX realistically. 3. TIA. Little louder than stock outside. tune it well. Course any tune can change things slightly. Redesigned for 2018! Oil supply line and gasket set included! FP Red Compressor wheel - HTZ 79 Flow rating - 65LB per minute CW Measurements - 57. Mar 8, 2007 · I don't know of any stock turbo, stock longblock WRX to break into low 12's. Mar 31, 2009 · Max reliable quiet HP? newgensti: Factory 2. Feb 1, 2019 · that's 531wtq for those of us in the use if someone wanted foot pounds. 408whp and 406wtq on 93 octane. Currently only 259 hp on over modified block. The 匚𝕦𝕞𝕞𝕚𝕟𝕤 𝟞. The pistons are the weak point and they don't like a lot of knock, so a good tune is key. They can withstand a lot more abuse/power than the stock cast pistons. DETAILS: Factory turbocharger that came equipped in the Subaru WRX STI from 08-19 models Direct drop-in Jun 4, 2023 · I have a 400whp 2015 STI that's been bulletproof reliable (built in 2018). On the other end, you can use a big enough turbo and stay near 400 lb/ft of torque near the redline (controlling the boost) and have over 500WHP without going over 28-30 BAR BMEP. Pedal feel is like stock intelligent mode for all 3 modes, with the changes being lower boost for I and S, max boost for S#. Feb 28, 2013 · You can get there with the stock turbo (push to the max at peak torque), obviously detonation will get you way past that real quick too (bye bye pistons). Aug 8, 2012 · 400whp on Stock STi turbo? Proven Power Bragging. 3 bar max but rarely hit it when just cruising Boost also holds all the way to red line. Outfront, Bader, IAG or Teter Built are my favorite off the shelf blocks. Cobb’s 20G: We made 300WHP on 91 with the stock STI turbo. 1MM Inducer / 82MM Exducer TW Measurements - 67. In 02 WRX, running 16. Feb 2, 2022 · For a while, the only option was to go with a rotated setup to run these turbo's, but in the last few years, companies like Blouch Turbo, Turbo Dynamics, and ATP Turbos have found ways to make or machine the hot and cold sides of the turbo to actually put these larger turbo's in the stock location for your WRX or STI. Apr 18, 2004 · max hp on stock turbo. Unfortunately they have never had a stock STI to test on it. Turbo is shot and stick. I live in Minnesota and have e85 available. Even if you did, which you wont, you'd be pushing the internals well beyond their "safe" range. I'd suggest a COBB stage 3+ with the 20g. Note how much EXTRA boost it takes to achieve the same HP with the stock cams. Pedal pressure and modulation is ok for city driving, but it's not the nicest. Even though I don't need to port the wastegate it doesn't hurt to open it up a bit more. I've seen people with 450 whp on the stock internals, but with that kind of power, it's just a matter of time before something breaks. the stock pistons are extremely sensitive to detonation and can blow ring lands at near stock power levels, and the oiling system is complete garbage Sep 29, 2004 · Max Power on stock EJ20: 02DubRex: Factory 2. 3MM Inducer / 79MM Exducer TW Measurements - 67. But then again, I don't really care that much about what a TD04 can do. No other changes other than the Cobb 20G Turbo and a new tune and we got 350WHP. It is a reflashing device which professional tuners can make custom maps for. As for safety? You are already pushing the limits of your stock cast pistons, and depending on your tune your bearings as well. Bottom line is I would seek for safe max boost level with proper AFR around 11:0 to 1 in open loop. What’s the highest number seen? Fiesta ST Discussions: 7: Jul 15, 2019: My highest octane is 90. Its a dyno dynamics dyno by the way. Member#: 64011. I have seen posts of 350whp on stock turbo on 2009 WRX on pump gas!; not very realistic or fabricated on some dynojet. 44 peak wheel horsepower increase and 15. Expect to max out the VF23 somewhere in the 300-350 hp range. With proper driving, this is a proven 11-second 1/4 mile combo. This leaves some margin in the tune for overboost protection. it's entirely possible that i'm missing some sort of conversion on how your area measures things. injectors + fuel Pump will net you great gains and it's low risk that your motor will in Jul 1, 2017 · Consensus seems to be 16G turbo is slightly over stock in terms of similar response / max power capability. I'm using 650cc dw injectors with these as well. Bone stock 2016 STI Limited. MHI’s Stage 2 stock location turbo upgrade takes OEM standards and applies them to high-performance Subarus with the TF06-18K turbo—notably the GR WRX / STI / LGT (2008-2014). Actuator : 0. Cobb's AP is not a "chip" persay. My tuner figured a full turbo back would have only got us another 20 HP or so. 0L Turbo) 8: 01-13-2004 01:50 PM From 11k miles to 29k miles I was making 440whp on stock turbo full e85 before blowing it. Currently have: BOV Muffler delete Mishimoto CAI Mishimoto jpipe Accessport Feb 24, 2006 · Maximum HP from STi engines? Stevo88: Factory 2. Is this not correct?[/QUOTE] That is correct, in order to run Stage 2 Map from Cobb you will need a TBE. 0 engine. WRX vs STI? Is that a trick question? Oct 25, 2007 · a gtx3071r compressor almost perfectly matches the volumetric efficiency of our stock heads up to about 28psi @ 5800rpm. Mar 27, 2020 · planning a 600 hp stock location build on 2019 STI Factory 2. i'm thinking about a gt4088r and a lot of other mods to the stock block if a honda can do i know a f-ing sti can, if not i'll just put what ever parts i can into a a civic May 30, 2005 · [QUOTE='05 STi]According to Cobb, I would only need a few bolt-on mods (exhaust, intake, downpipe) to run the Stage 2. The VF23 starts the middle ground. etc Jun 16, 2016 · Coincidence or not, I just rolled over 10K miles earlier this week. (YMMV). Max HP on stock block I have a 2015 wrx 2. The turbine housing is way to small. You can expect spool within 500rpm of the stock VF turbo, yet 550whp capability at 26+psi on ethanol based fuels. I think im just going bigger turbo. The sti will be a bit more expensive to make fast, so if you dont plan on switching the turbo/fuel system out then i would go wth the evo if you are all about 1/4 miles. 5L Turbo) turbo inlet. They offer better throttle response, slightly faster boost, and sound incredible. Its MAX hp is typicaly 300-350whp. . He tried Normal Wastegate and since the spike happened he went to Low wastegate to keep the boost at what the map was designed for which is 17. Scooby Newbie . 5-17. Feb 13, 2024 · Including personal experience, the testing that we did from 04-12 or so when this platform was still in the learning phases, TBE, drop in panel filter/stock filter, stock fuel, stock turbo cars made on average 270-285 whp. Nahhh you'll be good. maybe 260 on a dynojet axles, new clutch, turbo and turbo To really maximize your gains, you should be off the stock fuel rails and lines by 450WHP. 02-24-2015, 06:50 PM #9: fizay. stock b16's have been good up to over 300hp but the majority of the time they don't last very long. Mar 11, 2011 · If you stick to the stock turbo the internals should be ok given a good tune. Car number two came in with the factory wastegate preloaded a little more than stock. With a protune, you will max out your stock fueling setup. many videos out there of cars tuned w the 3071 or 3076 all running nice, safe, low boost and making good power w quick spool. If you put on a turbo with supporting mods and had a good tune (and a the importance of a good tune cannot be overstated), then you can make that power reliably. Dec 26, 2020 · Spools almost like stock. Nov 29, 2010 · The stock lgt injectors are the same as the sti's. JR Barrios tuned my 2017 STi at P&L Motorsports and I got 335 WHP with the stock turbo, stock intercooler, FBO everything else. And made 355 hp and 394 tq on virtual Dyno Dec 16, 2019 · 2017-2019 991. and on With the blouch turbo upgrade (with bolt ons), you can run 21psi all the way to 6700 rpm which will make around 400whp on pump or 450whp on E blend. It can be stretched to 20psi and this may be necessary to reach these 320-330whp levels. Feb 15, 2010 · What is the max horsepower you can get out of the stock turbo? 2005 Aspen White STi. 2~2 BAR Apr 7, 2015 · i just had a ringland fail at mile 4700 range on my 2015 sti, car came back under warranty and stock last week. When stock, it definitely was a task to drive smoothly Nov 6, 2006 · How much HP can be made before the limit of the stock fuel pump and injectors is reached? TEAM AGILE,2005 STI, 458 Whp / 418 ftlbs, Custom GT30R, Perrin FMIC, 44 Jun 22, 2014 · Dyno: Maha3000 Tuner: Goodspeed pereformance, Clark Turner Wheel HP: 376 Wheel TQ: 425 Ambient Temp: 113* Elevation: 1000-1200 Year/Model: 2013 sti sedan EMS: Cobb Short Block: Stock Heads: Stock Turbo: Stock Intercooler: Turbo xs FMIC Meth Kit: N/A Injectors/Fuel: FIC 1100cc Injectors/E85 Here, you are looking at the Subaru OEM IHI VF48 Turbocharger. Apr 26, 2011 · My '04 did 415whp on a Mustang dyno where stock STI's put down 210whp. 2awhp 370. Mar 14, 2009 · But it depends on what turbo you will be using. Anything over 21 psi and you need to start considering an engine rebuild as rods start to bend and break at that measure. 400WHP and 22LBS PSI is the max stock internals can handle reliably. I've heard of some people running a stock turbo up to 25 psi, but its out of it efficiency range at that point. That will put you into the low 12s in the 1/4 if you care about such things. 5L puts down considerably more torque down than hp The STi's 2. 2 Carrera / S / GTS; 2014-2016 991. Oct 22, 2016 · I have an 02 WRX, "hybrid" engine, Mahle pistons, EJ205 (stock WRX) heads, 04 STi cams, VF39, 08 STi top mount, 6 speed, ID1000's, custom TGV deletes, stock exhaust manifold, stock intake manifold. Max is about 370 to the wheels with the manual and the CVT will burn up quick if you add power to the auto. You wont make 350 whp on pump with the stock turbo. The initial plan lead us to upgrade the tiny TD04 to a larger VF30 STI turbo, supporting it with a V11/GRB STI top mount intercooler, STI injectors, fuel pump and Link ECU. Jul 3, 2008 · 2004 STI Max Power on stock internals?? sycklylow: Factory 2. These questions get asked all the time and the answer is the same:There is no magic #. Now max is stuck at 8. picked up maybe 30whp at the peak (didnt dyno on stock vf, but all bolt ons minus header, 93 pump) and went to the 20g that put down 343whp/360wtq pretty conservatively tuned. EVen on the 2. When tuning the Focus ST on the stock turbo, you are pretty much just maximizing what the May 21, 2012 · When i took mine to the dyno, mide did the same it had a spike boost. Below is a link to a video I personally took of an 07 STi with stock VF43 tuned on E85 hitting 378 and 373 WHP in 3rd and 4th gear. We now exclusively run this turbo on all in-house builds with goals of 400-550whp, even on stock engines. 5 is ok but i didnt want that even. Installation is simple and straightforward, this turbo bolts right up to the stock components. This is the factory turbocharger that came equipped in the Subaru WRX STI from 2008-2019 models and makes for a nice upgrade over the factory turbocharger. Went to a 5858 turbo and made 569whp up until this summer when I sold that for a socal v3 and make near 500hp on full e85 and am currently at 38k miles with zero issues all on stock motor and drivetrain. but i went from a stock vf series to a blouch 20g xtr. Id say 340-350 real whp, Ive seen big torque (380-415) with a built motor, meth and all usually for however big the turbo is, is the max hp is can push, for example my rotated garrett 30r is a 52lb turbo, meaning max at 520 crank, maybe 450 or just over that whp, anything else is fudged correction factors for your stocker, Id be happy with a Jun 18, 2006 · forums they make the power, ther is also a list of the motors and what hp people got with the stock blocks, i just want to know what i can do my Sti and who can tune it. If you go larger than a GT30R it's recommended that you start saving for a "new engine fund". 2 Turbo; 2017-2019 991. Pretty much stock, just a tad more durable and rev happy for "spirited driving" heheh. Although the stock turbo may only be making 40 psi of boost Feb 23, 2022 · Hello, I am a new member and looking at buying a 2013 Wrx. 0L Turbo) 10: 03-13-2007 01:25 PM: horsepower Apr 21, 2008 · -single turbo kit (depends on the max hp my stock motor can take)-ported head/cams/cam gears-fuel mod-AEM EMS '04 Modded STi '03 Yamaha R1 '99 Modded GS-R Jul 11, 2018 · A Word on Stock Turbo Failure: In most stock turbo applications, drive pressure will become a problem long before boost pressure does. Therefore this mod allows you to max out your turbo at 17 psi without purchasing something costly like a boost controller. Aug 4, 2009 · J Pipe with high flow cat, STI exhaust, STI chassis and transmission upgrade. KIMUTAKU: Factory 2. 3 @ 123 First time to the track on stock block! Fully closed-decked built motor with custom forged JE Pistons, Forged H beam rods, ACL race bearings, subaru 11mm oil pump, 1/2' ARP headstuds, new 08 Nitrided crank, Supertech dual valvesprings with ti-retainers, etc. Jul 21, 2009 · As for the vf52 (bolt on to the fxt09), power comes in peak at 3300 rpm. Running above 21 psi either requires a different MAP sensor or it requires disabling the ECU overboost cut safety feature. etc Nov 5, 2015 · I have a 2016 fully stock STi and I'm wondering what are normal boost ranges for the car? I've seen youtube videos where the boost gauge is almost pegged. My mechanic also made these changes: - used a stock throw out bearing because the one in the clutch kit was chintzy. With aftermarket options from renowned producers like Garrett, BorgWarner, and Blouch Turbo, you can improve your stock turbo. If you do the head studs and have the upgraded turbo/bolt ons, you can hit just over 500whp on the stock fuel system on E30 with meth injection. 5 motor its off the map and even more unhappy. I went for a drive with a friend about a month ago and he hit 17. May 11, 2018 · 2018 STI Power Upgrades // How much whp? Factory 2. max output from the specs you've written. 2 psi before the reset. Apr 3, 2013 · I know this thread is REAL old, but it's the top search on Google when looking for the max HP of a VF43 turbo and this thread is giving some very bad information. Seen it with my own eyes time and time again during that period. 527whp on daily pump tune. 03 lb-ft of torque at 4,300 RPM. I was wondering how much whp and torque this car could take, I have been seeing that it is 400whp max because of the transmission but also wondering if a sti transmission swap is possible to get more torque. Oct 29, 2010 · invidia full turbo back exhaust, 3" bellmouth downpipe, uppipe, header pipes, tgv deletes, cold air intake, turbo inlet, 750cc injectors, 255 walboro fuel pump, turbo smart boost controller, defi boost gauge, FMIC, HTA68 Forced performance turbo, the guy who tuned said it wanted more on the dyno but its almost maxed for the stock internals and he said it would of gone till it detonated. 0L puts about the same peak torque down as hp The WRX 2. On a dynojet, you can expect to hit the limits of your fueling just shy of 300whp. Had leak down test and all is good. . Maybe a new HTA Green could get you there with enough supporting mods. 09 SWP Outback 2. When drive pressure is considerably higher than boost pressure (such as a 2:1 ratio), the thrust bearing is forced to absorb the pressure difference. 6awtq:tup: (stock turbo) RCE springs-RCE top hats-Kartboy SS-Defi boost egt-Aem uego Aug 25, 2019 · Stock WRX ecu w/ Cobb AP & SD tuning software; Cobb EBCS; Cobb Flex Fuel kit; Hardwired fuel pump; Nostrum HPFP; Stock injectors; IAG AOS-Non-power related: OEM STI 19" wheels, STI Type RA Brembos & Recaro seats Tuned by JR: 537 whp & 490 lb-ft @ 22 psi on E56. 7 WHP on STOCK ej20! Soon2Bgreat: Proven Power Bragging: 235: 05-27-2007 02:48 PM: 25-30lbs on stock EJ20 turbo? 2fst4u2c: Factory 2. Let me know if you have any questions Josh May 31, 2005 · a stock car with max boost (17psi) AFR's are EXACTLY 9. Reliable Power Increase Apr 20, 2016 · Nameless Turbo back with muffler delete 3. 5L puts down a little more torque than hp. 3MM Inducer / 58. They ran a stock GTR and stock Corvette ZO6 and the numbers were very close to what was expected. 5 psi I saw stock injector DC running up to 96% with UTEC. The stock hardware on your car calls for a stock tune of 16 psi. Nov 27, 2005 · Brake specific fuel consumption for gas engines is roughly 0. so on paper, not a Aug 16, 2005 · Hey guys, I'm thinking of purchasing the Agency Power GT35R turbo kit. I swapped my seats to 2012 wrx seats, put on a vf52 (stock turbo for 09-14 wrx) before the fp zero, and have whiteline front/rear adjustable bars/endlinks with bilstein struts with rce yellow springs. Inside the car it sounds stock. Daily driver. Period. I really liked how smooth driving in intelligent was, so I appreciate having that smoothness for S and S# now. Full boost was hit at 3400 (Give or take) and held boost flat to redline. 5" Staggerd double wall tips IAG Air Oil Separator ID 1700CC Injectors Cobb BCS Cobb Fuel Pressure Sensor Kit Cobb Fuel Pressure Regulator kit Forced Performance 82mm turbo inlet Kartboy Short Shifter Torque solutions Trans mounts Torque solutions engine mounts and plates BEATRUSH Forged pitch stock mount How much hp is the fuel injectors, lines and rails, pump and pressure regulator capable of holding on the WRX 17? to handle E85 will get you around 430 but then Aug 12, 2006 · 05 STI Perrin GT30R . I am just trying to find the perfect turbo balace, I dont want a huge laggy one but i still want to be under 500whp. Subaru WRX 2002-2007 & STI 2004-2020 Turbocharger - TD04 EJ20/EJ25 (IMPREZA/WRX/STI/GC8-GDB) Flange : Std SUBARU Single Scroll. Also do I need new injectors as they are stock but everything else is high end upgrades. i know -1. 8 He described to me that normal was for cars hitting the perscribed boost, high wastegate for boost that didnt reach the 17. Jan 8, 2017 · The point is, the more you mod a car with the stock turbo, the more obvious it becomes that the turbo is too small. HP limit depends on the dyno. Dec 21, 2002 · Most Hp on stock wrx heads: 13secwrx: Proven Power Bragging: 56: 07-20-2005 11:49 AM: Max WHP on stock WRX turbo: wRxbeater11: Proven Power Bragging: 35: 02-28-2004 02:48 AM: I want to port & polish a stock wrx turbo myself any tips? cky211: Factory 2. I need advice on new turbo upgrade for 400-450 horsepower daily. 5L Turbo) 7: 11-22-2005 07:41 PM: What's max WHP on 2004 sti with stock turbo? BRIT-BOY-STI: Engine Management & Tuning: 1: 02-04-2005 09:28 PM: Can an off-the-shelf ECUTek reflash for vf34 with STi injectors be tuned with The Modaholic: Engine May 30, 2007 · 2005 WRX STi - OBP/Diamond Black BBS RE's 2017 Acura TLX - V6 SH-AWD, Tech Pkg 2005 Honda Aquatrax - R-12X Turbo Jetski Journal - Modifications/Pics - Mikey Botti Tuned at EFI Logics - 354whp, 396 wtq @ 24Psi peak - 93 octane May 30, 2006 · 05 STI Perrin GT30R . " In other words, since the stock Rex engine can only be safely bumped to 260-280 hp on pump gas, there's no point in taking it out. It's honestly a very good tune, very smooth powerband. Using the same stock ST, an E50 tune will net you around 500 AWD hp- and is enough to put you in the high 11s. Feb 4, 2004 · Answer: Your turbo is set to run approximately 13 psi out of the factory; however, the turbo is capable of running 17 psi safely (Subaru Technicians Manual). 5" drop. The stakes are a lot higher. i personally believe its all in the tune. That would certainly lead to a blown motor in no time. How much the block can handle depends on a lot of things but 350whp sounds about right generally speaking. Mar 28, 2005 · The stock turbo can really only operate at acceptable efficiency up to 18psi. the ECU will do its job it is there to protect the engine and it has been protecting mine for a year now with even more mods than that!! i wish someone Mar 21, 2014 · -Turbo XS Turbo Back Exhaust -Stoptec Slotted Rotors front and rear Other: -Alpine Touch Screen Multi Media Player-JDM Black STi Side Badge-Powder coated the stock BBS wheels black Why did you choose these parts? Since I wanted to stay as stock as possible but max out the stock turbo I went with E85 as a fuel source. Jul 22, 2014 · Because it is a roller bearing turbo, turbo lag is minimalthe boost comes on around 3300 rpm. most Sti's read in the 230 range on a mustang. This clutch takes a while to break in. If you went stage 2 about 21 psi. His STI was of course Ferrari-fast. What are my options? Performance Tuning: 4: Nov 10, 2017: Highest HP Fiesta STs: EcoBoost Engine Upgrades: 7: Dec 7, 2015: fastest and highest WHP FIST??? EcoBoost Engine Upgrades: 18: Dec 7, 2015: M: Highest stock turbo hp and Dec 14, 2006 · GPmoto headers-TXS ti tbe-Perrin crank pully-Perrin turbo inlet-Cobb sri-GM boost solenoid-NGK 1 step colder plugs-Walbro 255-Cobb AP stage 2 protuned @ Agile =322. you take the 350 dyno and try for 400 and BOOM. I typically reset the max boost with each fill up and over the weekend, the max was 17. Approximately 75% of all RAM 2500 and 3500 Heavy-Duty pickup owners insist the 匚𝕦𝕞𝕞𝕚𝕟𝕤 Turbo Diesel. The stock turbo just falls on its face, and really did after I added the headers Feb 22, 2015 · Ive done a few mods to the MGT2259 already and had this turbo apart. Jun 10, 2003 · Max hp on stock internals? Modified IHI VF30 turbo Exedy/STi twin plate 6 puck clutch/flywheel STi fuel injectors Walbro 255lph Fuel Pump APS D/R 500 FMIC Dec 10, 2020 · 2019 STI FP UHF Green (stock block) 380 tq on 93, and 527 hp - 430 tq on E70. I swapped mine out for an ACT HD clutch that can handle 522 lbs. 810whp on E85. Sep 25, 2004 · What is the max safe amount of (wheel or crank) hp an 05 sti can put out on stock internals? The stock turbo maxes out around 315-320whp. 5L Turbo Powertrain (EJ Series Factory 2. 5XT 5MT 263whp, 337 lb-ft Jun 4, 2023 · I have a 400whp 2015 STI that's been bulletproof reliable (built in 2018). M VF30 Turbo TXS FMIC STI RA Gears TBE Up-Pipe STi injectors TXS Utec Perrin Wide Mouth Intake. hp an 05 sti can put Oct 11, 2006 · The GT2540 kit was made for the 2. Same gas from the same station. etc. 5psi max on E85, 19psi max on 91 oct Gear: 4th Peak HP at RPM: 343whp @ 5300rpm on E85, 292whp @ 5400rpm on 91oct Peak Torque at RPM FP Black HTZ Compressor wheel - 82HTZ Flow rating - 71LB per minute CW Measurements - 59. Jun 13, 2015 · The E85-Powered stock turbo STI turbo provides a fantastic driving experience; Monstrous torque that comes up almost instantly along with a strong midrange of horsepower that is enough to beat plenty of other cars that may roll up next to you. We are glad to hear that it is a great improvement over the stock turbo and fits perfectly in the stock location. Im only Stage one OTS COBB AP with COBB intake. Join Date: Jun Jun 17, 2014 · Thats already beyond the max capabilities of the stock wrx tmic. when the stock turbo on my 2008 STI crapped out The turbo itself has max psi of around 21-22 psi. They continued pushing past 560+ whp but ran out fuel leaning out to ~15:1 AFR guys going 800hp on the stock rb26 successfully are few and far between. This is a true bolt on, stock inlet turbocharger that fits a wide range of goals. 1 2. Their map that they have off the shelf, is focused on the car with the stock turbo, stock air box but a full TBE. 5 lb/hr per hp, give or take ~20%, or 5. Sep 30, 2021 · for reference. Autronics computer Front mount intercooler Type 3 BOV plus afew other bits. Hi I have 06 STI and currently I have 380 WHP My car moded walbro 255 TMR-60 3" FULL ferrin turbo back EXHAUST tgv delete AMR 3" FMIC, AMR header, AMR UP PIPE, 850cc injectors AMR COLD intake ETC Jun 10, 2014 · It's more of a safety mod to keep from overboosting. BTW: That dyno chart is an 06 or 07 WRX definately Mar 9, 2004 · Yes, if we eliminate the main cat there is a mild improvement in spool-up of the turbo, but not huge gains that justify turning your car into a pollution machine. On the 2. On the stock injectors you will be limited (assuming no meth injection) to about 280-290 whp (IDC will be about 90+% depending on how much you taper high-end boost). If you plan on upgrading the turbo, however, I would do some forged 2618 pistons at a minimum. 74 lb-ft increase in torque. IMO for a street application and stock location it's tough to beat. It comes on boost around 3100 rpm and is capable of running 20 psi of boost. Jun 4, 2019 · Lance originally came to us with his limited-edition 2005 WRX wanting a staunch and responsive power increase. Car number three came in with a Turbosmart wastegate actuator installed in place of the stock actuator. Mar 24, 2011 · The stock clutch can handle about 360 lbs torque. Jul 16, 2009 · Stock block could hold up to 32-33PSI and handle about 5-600HP on the stock block internally wise you looking at 400HP safely, but it can take up to the same amount as the block itself if you sleeve it, and are running higher boost. Dec 7, 2010 · That said, most seem to make close to 300 WHp (using Airboy's spreadsheet) on 93 octane around sea level with whichever variety of STI turbo on them at or around 20 psi. Tuners have learned a lot more over the years and are really starting to make great numbers on the stock motors. Dec 17, 2013 · The stock manifold pressure sensor reads up to a little over 22psi, so most people will run a max boost of 20-21 psi on the stock block. Capable of producing 400hp and retaining excellent throttle response, the COBB 20G is a perfect turbocharger for street or track use! Oct 18, 2016 · at constant manifold pressure (max boost) and WOT, calculated load levels off and stops increasing right around 5900RPM. Jan 2, 2017 · Transmission: Stock 2015 6-speed Gear: 3rd Peak hp at rpm: 403whp @ 4,860 rpm Peak tq at rpm: 453wtq @ 4,260 rpm Baseline for stock STi: 2015 STi 245whp/250wtq Target boost: 21 psi tapering to 16 by redline Fuel: E85 400whp stock turbo STi?! Yes, you read that right. Nov 25, 2008 · You can't just throw on an aftermarket boost solenoid or controller and turn it up hoping for the best. 5psi to 16. On a stock b16 i wouldn't shoot for over 260hp. Oct 13, 2005 · At what horsepower does the stock USDM STI Intercooler begin to become a restriction? Power is a function of fuel burned, which obviously depends on airflow, which, again, depends on boost level for a turbo engine, so I imagine there will be a boost pressure where the IC is no longer capable of effectively cooling the amount of air going through it at the temperature the turbo expels it at. 5L Turbo) 4: 05-02-2008 10:54 PM: Max power for stock EJ257 crank: Bilyk WRX: Built Motor Discussion: 22: 02-16-2008 07:08 PM: Max horsepower for stock STI Intercooler? powerlabs: Factory 2. The goal is 400 wheel horsepower (500 crank horsepower). Which is pretty sad considering its a rotated turbo. Apr 22, 2004 · The mods on my STi are Turbo XS intake, Turbo XS RFL TL axleback, and Helix downpipe (no boost creep at all with this set up). Apr 16, 2008 · The answer is the smallest turbo that will get you there. Pushed to the extreme it gets ridiculous, such as TopSpeed's 400 hp stock turbo STi, compare it to a 20g and you can see exactly why the larger turbo is so much better Thank you for your feedback and 5 Star Review on the COBB TD05H-20G Turbocharger for the 2008-2021 STI. I am not sure what it would be with 04 STI at 16 psi with stock injectors. 0 it was not a very good turbo. Dec 31, 2002 · max whp of stock STI axelback: dads_cruizzzer: Factory 2. Makes for an awesome sleeper. this can also be seen in most dyno charts as the point of max HP. It uses the Teeny weeny T25 turbine housing. 0L Turbo) 9: 04-15-2003 09:53 PM: MAX stock boost level. Steamspeed STX67+ turbo TMIC intake + inlet injectors + pump turboback catless exhaust boost controller TGVs + KillerB oil pickup I don't have an AOS, no cooling mod, and still have stock headers. You could do it with the stock turbo on e85, with ALL the supporting mods Feb 19, 2009 · It just makes more senseeven if I do need bigger fuel injectors for my stock turboi spend the money on fuel injectorsonly get 25 more whp at maxor spend just as much on a used vf39 and get maybe 50-60 more whpmakes more sense to me! 2016 STI with 74K miles, My current build: AFD Flexlink Ethanol Gauge, Innovative Oil pressure gauge, Cobb SF intake, Maperformance high flow cat Downpipe, ID 1050x, Radium adjustable FPR, Grimmspeed 3port EBCS, AEM 340 pump, FP Blue 58mm 73HTZ Turbo, GFB hybrid BPV (for some neck breaking Whoooshhhh sexy sounds), lAG AOS, 4 cylinder cooling mod, AWE Track edition catbcack, IAG oil separator, Oct 11, 2010 · Here is an STi motor with a 35r and STOCK heads and cams compared to our flow optimized time attack STi. 2012 WRB STi - 357HP/357TQ EFI Protune - E85 (Stock Motor) Aug 17, 2007 · There are many turbo upgrades that are safer than others, but no turbo upgrade is ever going to be 100% perfect. Dec 30, 2019 · I heard that boost was increased on the stock turbo from 14. i Nov 11, 2007 · The WRX 2. Boost is at 1. 12whp at 5,050 RPM and 413. Expect to max out the VF22 somewhere in the 400-450 hp range. In my mind it would be stupid to push the stock turbo to its maximum and risk damaging your motor. Dec 5, 2017 · Right away, the STI realized a 16. Unlock greater power and performance in your Subaru WRX and STI with our selection of high-performance turbos. 365whp (taken from your other thread) will most likely kill your motor and transmission in short order. May 15, 2022 · With an absolutely stock ST, a good 93 tune (ZFGRacing) can provide you with about 440 AWD hp, up from about 340 stock. Can someone provide info? Sep 17, 2017 · Stock EJ257 STI Block Tuned by Clark Tuner at Goodspeed Performance in Scottsdale, AZ on a Maha AWD Dyno. Something around 52 lb/min-57 lb/min depending on supporting mods. 0L and I’m wanting to do a turbo upgrade but how much power can I push on stock internals and transmission. The COBB TD05H-20G is an ideal turbo upgrade for those looking to increase the top-end power of their STI while maintaining low and mid-range response. It all comes down to supporting mods,what your tuner feels as safe,the type of fuel you use and to some degree a little luck. Mar 13, 2010 · 05 STI Perrin GT30R . intake, turbo inlet, intercooler of your choice (fmic or tmic) , equal length header, up-pipe, external wastegate, or an upgraded wastegate actuator for your iwg turbo and proper supporting fuel mods, a. The chance for mechanical breakdown is far far higher- not a great thing in a time of supply chain shortages. Nothing really exotic, no crazy cams or twin scroll, tune by John Kerr at J-K tuning on his Mustang dyno in Carlisle, PA. Sep 23, 2010 · Dyno #s vary quite a bit. spool difference was noticeable but not bad at all. 0L Turbo) 4: 08-09-2007 02:37 PM: 504. Feb 22, 2024 · with the stock turbo; therefore a big turbo is not necessary.
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