How much power can stock sti handle. Stock STi crank can handle 600+ hp/ft lbs.

How much power can stock sti handle ctrout71 Member. The australians have proven for years that reliable horsepower is closer to 350. How much power can a stock STi block handle reliably and safely? Is 400whp reliable on a stock STi block for daily driving? If this has been covered already, sorry, I couldn't find it through a search. HP limit depends on the dyno. Likes Received: 77 Trophy Points: 113. 03-02-2011, 02:19 AM #3: se7en_ Scooby Newbie How much Whp can our sti motor handle?? Factory 2. a little over 300hp to it and in the future if i want to add more power it would be nice not to have to take the engine apart again to So I was able to find a rough estimate on how much hp/whp it can handle (somewhere around 350) although I’ve heard you can get almost 500hp out of the car. Pedal pressure and modulation is ok for city driving, but it's Dec 16, 2019 · How far can you push a stock STI block and keep it reliable? This is a question that comes up fairly often, so I wanted to layout what the limitations are of the stock EJ257 Feb 16, 2008 · Stock STi crank can handle 600+ hp/ft lbs its been done over and over. | How much power can the EJ255 hold safely? Car has 121k on it so far. Enter a injector size and we can give the max horsepower supported for the entered injector size. You're modifying the engine to flow what you need. 5L Turbo) Welcome to the North American Subaru Impreza Owners Club The guy who says he's making 350 whp 400 wtq on stock turbo is crazy unless he's on e85 or race gas. Added: fuel press/trans temp/EGT gauges, TC L/S/UL The most exteme case I know of is a twin blower front enigne dragster. The evo can be made faster for a bit cheaper, but once you get into the 500whp range it's about the same, just evo's can handle HP a bit better since that motor has been out for so long, and they come stock with all forged internals unlicke our sti;s with forged crank/rods, but cast pistons, which is why evo's can hold a bit more power, but if How much HP can stock internals handle? mikzcha: Newbies & FAQs: 5: 01-26-2007 09:18 PM: How much HP can stock heads and cams handle? TRUDAWG: Built Motor Discussion: 7: 06-26-2006 01:12 AM: EJ257 how much HP can stock crank take? BlackMagic*Club5: Factory 2. Nothing is really fact, but 400 whp is the typically accepted limit. The life of a clutch depends on the following: How often you shift How much HP/TQ your making The RPM's when your shifting How much you press the clutch pedal. If you want to make that much power reliably, and have the drivetrain to handle it, figure $15-20k. That's really good to know, I've been reading "evo vs sti" threads for the past 2 hours and was really hoping the STi's would handle 400whp, because I really don't like evos other than their mod potential. Again maintance and the tune will play a large factor. 4) Purchasing an AP is about the same cost as getting a protune. Jump to Latest Money is no object, sti all the way hands down. I would see no problem with 300-350whp, after that it will handle it, but a missed shift here, grind there. One of the limits you will likely run into is the max torque on the transmission. Yeah, that's right. Join Date Turbo: Stock Intercooler: Turbo xs FMIC Meth Kit: N/A Injectors/Fuel: FIC 1100cc Injectors/E85 Intake/Inlet: AEM Cai Headers: Stock Uppipe: Grimmspeed v band 38mm Downpipe:Invida catless CBE: Invidia N1 Clutch: Stock Flywheel: Stock Other Power Mods: Tial 38mm ewg, Deatchwerks 65cw fuel pump, HOA 3 port ebcs, Goodspeed custim Y split fuel from what ive gathered if your 6sp the only weak link is clutch, once thats good you can go up to +350whp with no other issues. 07 sti tmic. ? if you're running stand alone and going for big power i wouldnt use the td04 . Again i stress spot on tune, because it's knock that destroys pistons and bearings, followed by owner How much power do you think I will make? Subiecalifragilistic: North West Impreza Club Forum -- NWIC: 59: 10-19-2008 12:42 PM: How much power can a VF30 make??? EVOTHIS: Factory 2. There is slightly measurably greater torque when it peaks that high, but it's mostly between 3600-4000 RPM, which is nice, but goes by very quickly, and you won't spend much time there if you're seriously trying to haul ass. Forums. However, I have never seen an 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 Mar 24, 2011 · The stock clutch can handle about 360 lbs torque. 65 to keep a safety cushion on cylinder temps and detonation. how much power can the stock clutch hold that can last a long time on a street car. Pedal pressure and modulation is ok for city driving, but it's not the nicest. For example: RalliTEK's advertising claims that their stage 3 kit puts out around 430 lbs of torque. Much better starting point for sure. E85 fuel took it to the next level when this car produced 270kw at the wheels. Thanks . It's possible to push the stock internals past 250, but don't expect it to last long. 55 gears, 285/70/17's, 4" Straight pipe/exhaust brake. My modified TOURING bike (SV650) will murder my stage 2 STi on any road course. 5L Turbo Powertrain (EJ The better platform for power is the STI anyways. 400WHP and 22LBS PSI is the max stock internals can handle reliably. I don't care if the stock clutch can hold Some people have held 500 on STi's some people can't hold 400. everyone tells me its a waste of time to modify the d17 civic. 5L Turbo) Hello all, just wondering what the general consensus is on how much more power (if any) can I get out of my Cobb 20g on a 2019 STI Currently car makes 390whp/375ft using E50 (conservative tune) on a Dyno Jet. I have pilot 4s, enkei lightweight rims, DBA T4000 rotors, MU B force brakes, SS brake lines, It’s currently got a aftermarket Cobb catback. New comments cannot be posted. Thanks! I just ordered an IAG magnum for the car. How much power do you think the STi 6spd can take? I was interested in doing 400-450whp and I was wondering if you guys think the 6spd can handle that power? Thanks in advance. aftermarket tunes can blow too but some tuners just tune more aggressive and bad results can happen. Really just launching and that shock is what you’d have to worry about. I have 48K on my stock clutch with quite a few track days and street launches. From a pure power standpoint, yes, the heads will likely need some sort of work in terms of internals. Join Date: Mar 2004. Stocky stock. M. one could show 400 being ok and one can show 350. I would stick with something stock location like a 20g or dom 1. Thanks in advance. For a final example of heads and flow take a How much torque and HP can our stock WRX transmission handle without being destroyed - or even coming close? The answer to question will determine what turbo upgrade I should do, and how aggressive a tune to run it. Yes you can make 400 whp on a stock USDM EJ205 engine and do it for a long time. i know it is the torque witch is breaking the transmission. 08-23-2019, 11:12 PM 06 STi stock boost is 14. You are asking for it to hold 2. 5L Turbo) 5: 11-30 Higher hp means higher pressures and higher temps. Home. Currently only 259 hp on over modified block. Gutted stock DP, STi 2nd cat. blah blah. . However, I have never seen an scientific data to support any of it, so take it all with a grain of salt. A majority of engine failures are caused by uneducated tuners who don't understand how the vehicle and its engine work, along with not knowing the consequences of using low-quality parts to handle their horsepower You can pair the STI trans with the 2. how much power can a stock d17a1 reliably handle? advice planning turbo build i know i know. You can push a stock block to around 600HP. Had leak down test and all is good. My advice: leave it stock if you aren’t ready to put a couple grand into it. I just haven’t seen need advise on how much power can stock EJ257 STI crankshaft handle? is it good enough for 30 PSI on 35R turbo? any examples or advise? Stock STi crank can handle 600+ hp/ft lbs its been done over and over. for the tranny, it means harder hitting and more torque being applied to gears that were only tested for a stock power +/- 20% for reliability. EJ said it. Sep 22, 2020 · The turbo (atp garret gtx 2Gen) would handle approximately 500whp, that's what I would like, but I don't know if it is wise to do so, the only thing I have planned to change in my transmission is the clucth (it will be Dec 19, 2021 · There was a thread on nasioc where (i forget who) they compared the RA (19+) pistons to earlier pistons. "Children are not afraid to pose basic Aug 14, 2008 · How much power can a stock STi block handle reliably and safely? Is 400whp reliable on a stock STi block for daily driving? If this has been covered already, sorry, I couldn't Dec 9, 2011 · The 6 speed can handle some decent power. The issue is the stock cylinder liners oval under extreme cylinder pressures. If you put on a turbo with supporting Sep 22, 2020 · It may handle it, it may not. Server is taxed, methinks. May 22, 2016 · How much power can the stock blocks handle? AWD Junkie: Newbies & FAQs: 25: 06-26-2008 02:52 AM: How much power can R160 rear differential handle? skyline31: Transmission (AT/MT) & Driveline: 3: 03-29-2007 08:18 AM: how much power can a stock ej25 handle: seanjohn06: Factory 2. The factory has the stock STI rated to 310HP. Whether or not the engine holds up is another story. Mods. it will certainly handle a 6 puck clutch, the driveshafts will snap LONG before your tranny or clutch go during a "hard" launch. Hear breaker mustang dyno reads 220 WHP stock STi Protuned stage 2+ 270 WHP/290 WTQ ported headers, 83mm AMR BIG MAF CAI. bahlool, I think a better way of asking is, how much power can a stock EJ257 make. It could make alot more torque, I am wondering if that c6 can handle 650 ft lbs? Id like to have 2018 STI Power Upgrades // How much whp? Factory 2. Offline Medic_538 Well-Known Member. 2015 STi: Still Stock 04 STi, 04 WRX: SOLD. This is the 550 beast I refer to on a stock engine with just bolts on, exhaust, turbo, I believe fueling, and of course an STi transmission So it seems like the mods listed in the sticky ( here) are probably the upper limit of what the 5m can handle? 6 speed STi swaps We’re often asked if the STI Type RA Blocks can hold as much power as an IAG 550 Short Block, and while there are reports that the RA blocks can handle up to 450whp, the What is the max PSI the stock turbo can handle safely? Just curious as to what the boost can be increased to using the Prodrive Boost Solenoid? If you want an aggressive tune making the best power, than use about 22 PSI. 5L Turbo) how much HP can the 2004 STI rods handle? RPM? with/without ARP hardware?(in an EJ205 with the lighter piston) Most people around 400-450 seem to run stock rods with a forged piston. This clutch takes a while to break in. Can I put STI engine in WRX? With the new Subaru engine in hand, Subaru can now build a new WRX. If you aren’t drag racing, you’ll be fine with stock parts and an upgraded clutch. you can get over 450 on an ej20, but not with stock internals. Save Share max power holding of the STI rods. In excess of 400 passes. 3) You'll get more power and smoother accelaration out of the protuned map because it's designed for your car. if is can hold to it. 1200HP. Anything over 700HP you are really pushing the limits. as for STIs ive only heard that the max power for stock internals is around 450whp . well i guess my main question really was, how much power can the stock rotating assembly handle. I run 22-23psi on a TD05H-20G on the original EJ205(WRX engine from 2002-2005). Years ago, I had a buddy with a Porsche 914-6 that used to eat transmissions because the upgraded 6 cylinder engine had too much power for the transmission (which apparently was the same as what came with the 4 cylinder engine I was on a stock fuel system except rewired Walbro 255, and 1000cc injectors (950 to be true). Im hoping to see around 420-450whp straight E85, 340-360 on 91. you should k swap it. Registered VIP. the goal would be the 380-400hp. Soless than that. It can be found on both base STI's and STI Limited's. Save Share So my friend and I were talking about the new changes on the EJ that was transferred from the Type RA and now in the 2019+ STi models. thats It is all in the tuning and in how it is treated. 28 posts · Joined 2004 Add to quote; Only show this user #1 · Jun 27, 2008. For example over the last 15years its been in production, the 4G63T has been proven consistently to hit 450hp to the wheels with stock motor. 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 Dec 16, 2019 · How far can you push a stock STI block and keep it reliable? This is a question that comes up fairly often, so I wanted to layout what the limitations are of the stock EJ257 first, and then work through the progression of points where stock components in the STI block would need to be replaced. The stock 5-speed is pretty weak and many people have problems at stock power levels let alone something twice as high. If you want reliability and safety, use 19-20 PSI. gl/LwmuxE\Amazon: http://amzn. Can You Make A Cobb posted Dyno graphs of stock vs stage 1 and stage 1+, and it seems they make pretty good torque increase over stock, small hp increase, and power will not drop off after 6k. Well over 300rwhp. I do not know how much power it makes now as it is top secret. am i asking to much with FBO and that turbo specifically? Locked post. 5L Turbo) Welcome to the North American Subaru Impreza Owners Club You have to worry about the engine much more than the clutch when it comes to high power on the STi. Join Date: Jun 2004 Agency Power :tdown:. Car has all supporting mods including 1300cc ID, ETS TMIC, Killer B Holy Header AEM 340 hardwired, etc. There are examples out there with considerably more power How much HP can the 1. Get the best of both worlds. As mentioned above, oiling and cooling are other big factors. 5L Turbo how much boost can a b16a2 handle with no internal modsrunning stock internals Menu. 5L Turbo Powertrain (EJ Series Factory 2. Increasing the displacement would not change things, you can only produce so much power from so much fuel. STi turbos range from the VF30 in the older version 7, to the VF34 in the newer ones. 05-11-2018, 11:58 AM #13: ifearnoevo. How much the block can handle depends on a lot of things but 350whp sounds about right generally speaking. This and the beefed up suspension make the STI worth buying over the WRX if you're looking to go nuts with modifications. If you plan on adding power especially to a 19+ STI it’ll be everything you want and more. Dyno Power. What's next? Well, for a given fuel type and static compression, you can only shove so much into the combustion chamber before it blows up by itself. When talking about the STI it's a different ball game. I'm sure they can reach higher levels, but how much more than 400whp do you really need on a daily driver anyway? J Pipe with high flow cat, STI exhaust, STI chassis and transmission upgrade. Think about upgrading in the 650+ range Feb 28, 2013 · I've seen a stock ej257 throw a rod @~415whp on a very low reading mustang dyno (stock sti's ~215whp). IMO for a street application and stock location it's tough to beat. Member#: 58504. IHI VF43 (250-325whp, Bolt-On) This is the standard equipment turbocharger used on the MY07 USDM Subaru Impreza WRX STI. I'd suggest a COBB stage 3+ with the 20g. this doesnt mean revving to 7k and dropping the clutch. Then you have the stock oil pump, power over 600whp and touching redline can send the gear to it's death. I was lucky to get as much power out of it as I did. You will have a LOT of turbo lag, you wont make much of any power until after 4K RPM's which is terrible for the street. 0L Turbo) 7: 09-10-2002 02:51 AM: How much power can the stock clutch handle? frank544: Newbies & FAQs: 2: 04-26-2002 I'm just curious if anyone knows how much power we can put through the stock transmission MT and AT before it grenades? (can't remember the location) but he broke an axle at 580-600 wtq. No issues whatsoever, and was WAY better than the stock tune, but not as much snot as the pro tune. Ringland 4 cracked 3/4 of the way around. The STI's motor has been known to handle well into the 400whp and the tranny has handled well into the 500whp mark. 7L, a P-pumped 12-valve Cummins or a late model 6. with stock internals but i dont think most go above 450 with stock internals. MRLS for example, motorcycle lap record eclipses the fastest production car record by about 13 seconds and is faster than a stock STi by about 53 seconds. I ran the stock Cobb93 v301 HWG tune and experienced no knock and DAM stayed at 1. This way you can leave everything else, such as turbo size and psi out of the equation. Scooby Newbie . I haven't read much of snapped axles, diff, or bent rods and theres people on apr stg3 (gt28) with stock internals. When people say that a stock crank can't take that sort of power, I ask them to show me 1 case where a stock crank itself has failed, I am yet to hear of 1 case where How much power can the stock internals handle? This thread is archived New comments cannot be posted and votes cannot be cast Related Topics Subaru Cars Well maintained the current sti can handle about 400crank. with stock-like power. 0L Turbo) 6: 08-09-2006 02:24 PM: how much power can a stock ej25 handle: seanjohn06: Factory 2. New posts Search forums. A 20g or FPgreen would both be nice, safe, streetable turbo's though. Forget PSI for now, think about what causes stress on engine internals. But that is why this thread is Aug 17, 2007 · Your engine and can blow with as little as 300 whp with a bad tune. These are all bigger than the stock WRX turbo, but the STi engines are much stronger than ours. Latest reviews Search products. Note how much EXTRA boost it takes to achieve the same HP with the stock cams. BMW's N54 can handle similar power on stock internals, along with Nissan's RB26. In the case of the STi transmission, Subaru does this from the The WRX transmission can't handle nearly the same amount of power that the STI's can. SupraTT can do 800hp+ etc 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. 5, they will both get you in the mid to high 300 wheel range while keeping lag to a minimum. Also, as @twin001 says, stock fuel system FOR ETHANOL is already pretty much maxed out on the stock turbos at 500 AWD HP. BRZ STI NA with more power: Harinjo: BRZ I've pushed mine up to 22 psi on my 08 STI, but there isn't much gain to be made above 20 psi with it. You can handle about 300WHP safely, but you're going to be increasing the chances of blowing your motor quite a lot. $725 plus a dead VF-40 is a steal, IMO. 3L Power Stroke or the new state-of-the-art 6. what turbo are you going to run Even in the turbos efficiency range, higher boost raises temps. Even with drag racing it can hold to an extent. Max power for stock STI Turbo ? CALI07TR: Newbies & FAQs: 7: 07-03-2008 09:13 AM: FT: turbo xs fmic for stock sti intercooler: z_wrecker: MAIC Private Classifieds: 17: 05-30-2006 01:29 AM: STI up pipe/tein flexs for 05+ sti/stock sti intercooler/HKS bov/Defi guages: kccobra: Private 'For Sale' Classifieds: 34: 04-28-2006 09:28 AM: Max Boost for The CV's can take 625-650 whp, but the axles themselves can only take 400-425. 9 SLT, 47RE Rebuilt @ 140k, 3. Whenever someone mention stage tuning or any sort of performance increase on the CVT transmission, the general consense in the community is that it cannot not handle more than stock power (~268hp). To be honest my stock k03s and FT were FAR less reliable and too much more tweaking to get rightif anyting my BT set up now is more realiable Subaru tuner hits 812 whp/722wtq on completely stock STI long block a mate had 238kw the wheels on stock sti block. Heatsoak is easily acheived even at stock boost levels on an STI simply by repeated hard pulls. once you address the stress limitations of the engine (iron sleeves, forged/balance crank and con rods, head stud bolts, etc) you can reset the power Stock Clutch, how much can she take? Factory 2. General consensus among most reputable engine builders and tuners is that stock blocks can’t really handle more than 350whp long term, so don’t listen to the internet warriors “500whp stock block daily”, because it Trying to be nice here. For daily driver it would be fine. 0 motor? Reply reply Hollywood369 • Yes. So let's say you can flow 10,000cfm easy. Save Share im running 21 on my 08 STI stock turbo and I'm not sure how much an STi can handle before internal mods are needed but you are wrong with the 75 hp figure. Assuming you’re making 500whp, you’ll likely be around 500wtq or less. 5L Turbo) 18: 06-18 Sep 16, 2014 · How much power can stock block can handle? Jump to Latest '15 DGM STI - Nameless Exhaust, Volk CE28SL, Swift Spec R, Whiteline Center Kit, and Falken Tires Gone '10 GG Evo X MR ETS- UICP/LICP, HFC, CB, Sep 4, 2004 · Well yeah by the time I was gonna get the sr55 I was gonna have the money to get the sti engine with forged pistons and also do the sti 6speed tranny and the whole fuel system from the fuel pump to the rail to the injectors and also do the intercooler as well. I currently have about 350-400 hp and I believe I will have about 500-550 now that the transmission can take a bit more of a beating. To sum it all up: In people's defense, the search function is very very slow right now. 450whp if you want to play it super safe. Stock fuel system with 1050x injectors and BAP will hit 800rwhp on E85. torque comes on earlier because the less aggressive camshaft produces higher cylinder pressures at lower RPMs. 5L Turbo Powertrain (EJ Series Factory The OP's original goal was try and get stock STi power from his TD04. I was hoping to make around 350whp on E85 and if i get a bigger turbo shoot for 380-400WHP. what is it anyway? ,,how much boost stock does an sti example 2004 wrx sti put out?and how much boost can it handle on stock sti motor assuming its tuned well. Factory 2. anyone know how much boost that tiny stock BPV can handle? I LOL'd the first time i saw it. Let's say you're stuck at 21psi with a stock STI. How much power can my 2013 WRX handle? Mod list. You can also blow one up at stock power levels. Though not equipped with forged internals, the factory engine in its stock form can handle double its factory power output. Inb4 the 2015 WRX finally got the 6-speed. The stock engine can easily handle anything the stock turbo can do. I haven't seen any correlating IAT numbers, but this would be an indication of compressor efficiency which would also be a limiting factor. Yes, but it's not the same six speed that's in the STI and it's not as heavy duty, not by a Can the stock crank "handle" it? Maybe. 1 post · Joined 2006 Add to quote; Only show this user #1 · Aug 25, 2006. S. After that aftermarket caps are needed to keep the caps from moving. Chris How much power can a stock 2jz-gte hold for 1 “hail mary” dyno pull? How long will a stock 2jz-gte live for at 1000whp? When you start thinking of the question as time-based you will want to pick a unit of measure. It is down almost 30whp to my stock 600 GSXR. DO NOT run a boost controller without using some form of aftermarket tuning. I swapped mine out for an ACT HD clutch that can handle 522 lbs. It was a protune stage 1. Supra 7M-GTE; Supra J29-DB; Supra TT 2JZ; Are you dreaming of upgrading to our 2150cc or 1100 high-z injectors? If you want to know just how much power you can make with what you’ve My opinion, stock trans will handle stock power -for a while. i would prefer not to do pistons. I believe they also put the VF35 in the STi RA Spec C. On 98 this car produced around 240kw, which already made for a rapid car. Launching can crack the block, top speed runs can run the sump dry. Scooby Guru . The car currently has 19500 on it. It has been launched 4 times at 5500rpms and does several pulls each week. the stock clutch can handle What is the max power the stock injectors can handle? I wouldn't want to go much further than 90%. Now the GT35R :tup: I was looking at purchasing this turbo. Of course there are a ton of factors like ignition timing, boost pressure, intake air temps, afr, etc. I exceeded what most people said was possible with that set-up. That makes it the most powerful WRX or STI we’ve ever tuned on a stock turbo. As for my power numbers, 322 whp is correct on unleaded race fuel with stock turbo, stock engine The Subaru transaxles are all actually pretty strong, but what they can handle, well we will see. -Non-power related: OEM STI 19" wheels, STI Type RA Brembos & Recaro seats That's already 100 whp more than what FA20DIT can handle on stock internals and way more torque. question should be how much power can one extract with a stock stock sti block. The VF43 utilizes a thrust bearing design and the P15 exhaust housing. 5 times the OEM output for which it was designed. If you like blowing expensive RB's so you can put out nice dyno #'s a few times, that's the way to do it. I currently have an 08 sti making 300whp on 21psi and i have been thinking of stepping up to a 18-20g and or moving toward E85. It all depends on how you drive and what kind of grip you have in the end, but that should be about the range to expect. Please reply only if you have or had ID1000 or ID1050X on E85. Those having a hard time finding a good used VF-52 or balk at paying $1,000 for a new one could consider this option. sti tranny is fairly durable. etc on stock motor. As far as taking the word of SPD, I wouldn't listen. lb torque; As you can see, stock Subaru drivetrain components have their limits for the amount of power the car can handle from the factory. Subarus don't necessarily need a boost controller because the STI axles, differentials: ~ 450 chp / 450 ft. how much boost can a b16a2 handle with no internal modsrunning stock internals 00civicsiturbo addicted to Boost. too used to working on my buddie's evo 9 My '95 ECU is the Z4 so I guess I should be running a bit over 12 psi stock (like any of the JDM MY95-96 non STi ECU's). Andy - 12 WRB WRX Tuned by Innovative Tuning 294 AWHP / 311 TQ. 8T handle before needing forged internals? Rods and a strong Clutch are a must for over 300 if you dont want to worry about blowing stuff up and want to put the power down. but there are exceptions. There are plenty of STIs out there making well over 400whp also, but the general concensus in this forum about how much WHP the STI block can handle is 400whp. Even running a boost controller set at factory boost settings can cause problems (part throttle full boost) which can lead to detonation. 07-26-2010, 02:12 PM #9 Hello I have a relatively built wrx and I finally saved enough for an sti swap for the transmission and other parts. Outside of i6 engines, the LS1 is very receptive to boost, along with Mistubishi's 4G63, and the 3800 Series II, among countless others. You can do 10 back to back pulls on a dyno on a bone stock WRX or STI and watch the power drop with every run after the first 2 pulls or so. Think about upgrading in the 650+ range 02-14-2008, 04:26 PM #7 The motor on a stock WRX is fairly stout. I was wondering if the stock sti clutch is enough or if I will have to upgrade it. How much power can a stock internal evo and sti handle? Thread starter WallyKilla Even if it is just as strong, you can make more power with more cylinders. MySlowSTi04 Discussion starter. I know generally what the block will handle, I'm concerned with what the stock crank/rods/pistons can handle I'm concerned with what the stock crank/rods/pistons can handle '07 CTS-V '92 coupe 5. The auto's seem to be able to handle more power, manuals need a clutch around 280whp or around 220-250 wtq. My teen has an STI and I don't know what to do Here is the stock dyno chart for my 2020 STI and a stage 1 tune. And that can be held just fine. But youre pretty much turning it into a drag car at that point. What we are saying is depending on your power level and driving, you’re going to need to upgrade components. A poorly maintained one won't last on factory power. I’m planning an STi trans swap before building power. i just thougt that there was a limit for the stock block. Stock the STi puts about 255-260 hp to the wheels the 300 is at the crank so you are looking at 115-120 hp increase to the wheels. The WRX STI today is powered by the EJ25 turbocharged 2 engine. Next mod is to PnP some stock exhaust manifolds and see what that brings. 5+ Year Member. Store. The next STi is going to be an absolute beast. In Awd trim one of my previous Sti's had about 450whp and a stock tranny/flywheel with a stage 2 act clutch. depends on how you drive it. I would like to know how much power the ID1050x injectors can handle on E85. That was my question, how much power can the stock clutch hold that can last a long time on a street car. Though they are prone to cracking, VF39’s can be had for very cheap if bought used. Purchaced 5-13-11, 190k on the clock now. I dont think you'll see any of these go to 200k, certianly not with a chip/etc. How much horsepower can a stock ej257 crank and stock nitride sti crank handle? internet and was wondering if anyone has a good idea of how much the stock forester xt crank can handle and the sti crank. The stock turbo IS efficient to over 20psi in midrange, you should taper to ~14-15psi at topend. Can't speak to the turbo as I know nothing about it. It is all in the tune and supporting mods, make sure you don't have a super aggressive tune. 5 2500 QCSB 4x4 5. dsg has no weak links imo, its good out the box for +400tq. My car will be Home. over 450 is not really pushing it. What do you guys In my opinion the stock EVO clutch isnt weak. Srt4Fan Discussion starter. APR stage III+ recommends replacing factory connecting rods. Other mechanical/reliability limitations aside, the heads do not flow enough air to surpass 400 whp. But even if all of that is not an issue, above I wouldn’t never push past 400 on the stock trans, and wouldn’t launch it at those power levels. The better answer to that question is how much horsepower can you handle? The factory has the stock STI rated to 310HP. You 100% will want to have it pro tuned by a reputable shop. im looking to put out alot of power, i got about 8 G's stashed and i want to know from other Stock power in the STI is higher than the WRX obviously, so it should have beefier (🥩) driveline internals to back that up. strong and distribute that power well. You won’t run into engine problems sub 500 whp. Truly amazing machine. 0L Turbo) 8: 06-24-2006 11:39 PM: EJ257 how much HP can stock crank take? BlackMagic*Club5: Factory 2. * The cams are not stock. Since we disabused him of this notion he revised his goal to '09 WRX @ Stage 2 power. He was pushing a lot of power doing drag races, along with a lot of torque, but he stayed with the stock clutch for a How much HP can stock internals handle? mikzcha: Newbies & FAQs: 5: 01-26-2007 09:18 PM: How much HP can stock heads and cams handle? TRUDAWG: Factory 2. how much power can an sti handle on stock internals. Whether you’ve got a 7. Considering the FP Black is a top end turbo, you A decatted STG2 wrx(mid pipe cat is ok) you can run well over 20psi w/ an aftermarket TMIC. How you drive the car, launching, top speed runs also will play into how much power you can run for how long. If you are looking to go rotated, you should be fine with a 30r on stock block but a 35r would deffinetly be pushing it. Can they even hang with an ej20k or ej207? Can an ej20h mounted with ej20g manifold and single turbo make more power? im just tryign to figure out what true numbers have been made. and i appreciate your A WRX 5 speed can take about 250 lbs of torque at the wheels, LGT 5 speed can do about 300, LGT/WRX 6 speed can do 400ish, WRX 4EAT VTD can do 600+, 5EAT 16bit can do 550 with tune, 6 speed STI can do 600-750. 60 - . I really believe this block can handle the power due to the 2020s having the RA internals however I got a crazy deal on the built motor so it just made sense make this temporary instead of long term. Manufacturers like PPG aren't doing magic - they're just building transmissions using more durable parts and better manufacturing processes. 0/Viper T56, cobra brakes, speedhut gauges '99 So I’m looking to put down some power I just did a big brake upgrade refresh on 2018 STI. The general rule of thumb is to keep it <375 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. not sure if took to track but he had the car for over an year and not a single issue i know of. Its the knock off "cheap" line of Vivid Racing. Jun 7, 2010 · At the moment I am running the stock TMIC, injectors, pump, intake, filter and CBE. STi '04-'06, Legacy GT '05-'06; WRX, STi 2007+ Toyota. 5 psi (+/- 1psi). Still going strong. Yes you can make 1000WHP on a stock block, yes it won't last. On regular gas, that 20 psi mark should be your max. 5. I agree with neversummer. it was driven hard but obviously only as hard as u can on the street. I was wondering how much power and for how long a non-built motor can handle? The simple answer is that you don't need to have the STi transmission built to hold more power, because it's built to hold that much power. Tooned . to/2z6hMbF• Series Grey STi Parts List:Car Purchase Look at track records around the country, both drag and road course. Realistically though a DCT is so fast the difference is minimal though and in a car like the most engines can get down to a BSFC of . If an ACT street disc has trouble holding 500ft-lbs, then the stock sti clutch wouldn't fare much better. . Obviously all cars vary a bit. STI4LIFE. Also using stock fuel filter & AFPR. 2017 STI 354WHP/400WTQ on Mustang dyno for the past 8000ish miles previously pushing 320whp 350wtq for 6500ish miles. I'm probably https://baderbuilt. 06' EVO IX MR SE - CBRD BBK on E85(438whp/412wtq on Mustang Dyno) A local car put down 260whp on a Mustang that stock STI's put down 225-230 on and the IDC topped out at 91. How much power can the Miata handle and still be reliable and balanced? I have a friend with an LS V8 powered Miata. Its time to think about an engine. Turbo is Since I'm going for more reliability over extreme power, would my 2020 STi's stock block with these upgrades be reliable over long term? With a spot on tune, the engine will handle around 500+whp. Member#: 64908. The low end will be aweful for daily driving because all your power will be at the top. I don't know if 300whp can be reached with a VF-52 and to honest I wouldn't fit my car with an IHI turbo after the horror stories with the VF-40. I personally would not push much over 400WTQ on the stock clutch. Basically, the castings were revised slightly to increase the wall thicknesses around the wrist pins, and Feb 24, 2006 · Proven Power Bragging: 49: 10-02-2005 11:43 AM: Maximum HP from STi engines? Stevo88: Factory 2. How much awhp can an ej20g setup make on stock block. Its in front of a stock c6 other than a shift kit. If you put on a turbo with supporting The stock clutch can handle about 360 lbs torque. Mar 14, 2009 #2 I went with a pro tune myself and the car runs great. From stock, these cars produce around 150kw at the wheels, on a good day. However, in the JDM WRX S4, the The reliability limit on stock internals is around 250hp. The Following 2 Users Say Thank You to Grady For This Useful Post: Strife26 How much spring can the 04 STi stock shocks handle? trhoppe: Brakes, Steering & Suspension: 6: 04-29-2004 05:50 PM: how much hp can the stock bottom end handle: WRteXmeX: Factory 2. The pistons in the USDM STi are NOT forged. Chapter Not at all, a 35r is a big turbo with big compromises. They are all very durable okay thx guys. the stock tune is 100% pure garbage and stock motors can blow easy. Look at BoostAddict's build. Reactions: the RIOT act. It'll make as much power as your stock block can take. it might sound cool to have big turbo pushing 600whp. woahhhh now. its a horrible engine. I prefer to use the How much hp can it handle? or how much would you throw at it? How much hp can the sti intercooler support? Discussion in 'Modifications And Maintenance' started by Medic_538, Feb 17, 2012. Again I'd accept around 300whp to be the limit for a reliable daily driver. Thanks But just a word of advice. I've upgraded to Fuel Lab Filter, 6AN fuel lines to Stock fuel Rail, 6AN lines to Fuel Lab AFPR. How much power can the EJ257 handle Factory 2. I've seen an STI owner detonate his 6 speed tranny with stock power levels by reving to redline and totally dumping the clutch multiple times in a row. 01. How much hp can it handle? or how much would you throw at it? how much power can stock internals handle? Jump to Latest 88K views 73 replies 39 participants last post by gump1114 Apr 15, 2020. This is the same man who claimed several years ago that you would gain no power from adding an intake to a 2. "More power more problems". i'd like to start making some power in a few months, but im just curious of what the stock motor can Here is an STi motor with a 35r and STOCK heads and cams compared to our flow optimized time attack STi. What's new Latest activity Authors. It is a 406 stock block with a cast crank. So far the stock clutch seems to be holding up fine. D. The transmission can handle the power if you're not dumping the clutch. 5L Turbo) Welcome to the North American Subaru Impreza Owners Club the most power i've seen from a stock internal sti is dynoflash's putting down 550whp 07-08-2007, 12:51 PM #3: Junior2JZ. For better or worse, the STI 6-Speed has not changed very much at all from its introduction to the us in 2004 right up to the 2019 model. Torque is one of them, high RPMs + high torque (=high power) causes much greater stress on bearings, etc. 0L Turbo Powertrain (EJ Series Factory 2. How much power can stock STI axles handle? STI axles, differentials: ~ 450 chp / 450 ft. 05 Forester XTi Premium M/T (bobbytuned VF39)(his) So ive been searching here and nabisco and i cant seem to find the answers to the questions im looking for. 08-23-2004, 03:36 PM #6: f4phantomii. The block CAN handle 20+psi repeatedly properly tuned. Aug 17, 2007 · Your engine and can blow with as little as 300 whp with a bad tune. with stock pistons and rods, i would disagree with the 450hp thing. Outfront, Bader, IAG or Teter Built are my favorite off the shelf blocks. Scooby Specialist . 5 but turbocharged engines are typically run at . Only thing that would affect power on the car right now is a Cobb SF intake. shop/• Links to Where I Purchase Parts:eBay: https://goo. Member#: 475635. The exhaust is not stock. Jump to Latest 3K views 3 replies 4 participants last post by tayhadar1 Aug 25, 2006. 6%. lb torque. Supra 7M-GTE; Supra J29-DB; Supra TT 2JZ; Are you dreaming of upgrading to our 2150cc or 1100 high-z injectors? If you want to know just how much power you can make with what you’ve Clutch, Transmission, Differential, Axle & Transfer Case - How much power can a stock c6 take? - I have a 78 Ford with a 521 v8, making about 550hp and about 550 ft lbs. you take the 350 dyno and try for 400 and BOOM. I did find out that the tuner actually started with the Cobb OTS map as a baseline then tuned from there. Otherwise you are playing the risk of damaging the engine with voiding your warranty. Until it breaks. If say, it turned out the engine was much weaker and couldn't handle more than another 50hp over stock without breaking (when stock unopened) the answer would likely be different. 7L common-rail, or an ’01-‘16 Duramax, we’ll tell you If you are on Ethanol, you can handle more boost. diffs are great as well. These FA motors are a game changer. How much power can a stock block STi handle with a FP green on E . Anyone seen or tried to see how much the new stock block can handle with the reinforced internals? I’ve only really seen the specs on one reaching 400hp with a stock block safely (apparently). How much power can the gt handle? upvotes Tuned or stock WRX/STI? upvote How much boost can the stock fa20 handle? Forced Induction Turbo, Supercharger, Methanol, Nitrous User Tag List: Page 1 of 3: 1: 2: 3 > Thread Tools: Search this Thread Simple answer, It will handle as much horse power as you can give it. Reply reply I just want to get idea on what sort of boost I can run through my stock EJ257 Block with Stock STI Pistons/Rods safely?? What are you running? and how much boost? I'm really wanting to know what a standard EJ257 with stock internals can handle? 10-08-2006, 11:50 PM #6 Max boost /power/torque on EJ257 block: radve: Factory 2. My mechanic also made these changes: - used a stock throw out bearing because the one in the clutch kit was chintzy. Just the reality of getting that much power out of a 4 cylinder. i personally believe its all in the tune. Blog. It might be fine: the STI transmission is pretty overbuilt, but no guarantees. But can anyone tell me that 100+hp and extending main bearing life by 10 times is not worth $2,500? That's on the conservative side. See less See more 2 Reactions: jcb-memphis and Spools almost like stock. Let me know if you have any questions Josh Enter a injector size and we can give the max horsepower supported for the entered injector size. i get the picture. Stock blocks have seen excess of 35 psi, but do they last :S So the stock turbos are maxed out as I said around 45-50 lbs/min. hwxgo kxqcqza xlpefj wcme vyqzy frnbimi vahrz ajitm uyxl zeul