Wrx sti boost psi. These cars also are peaky with their boost delivery so at WOT it’ll hit, say 18 psi, but for like half a second and Guys what is the max boost (PSI) I can go with custom tune? Mods. You shouldn’t be making hardly any boost in first gear, there isn’t enough load on the engine to hit more than a few psi normally. 1 psi boost. check oppositelock on nasioc. Haltech describes it simply: changing spring pressure changes the default boost pressure, and when boost exceeds spring pressure the valve opens and begins regulating boost. 7 psi will theoretically give you 200hp -Boosting it to 7. what is the max and safetly i can push the turbos to without over Wow that’s pretty high boost spike. 0L Turbo) Not Boosting over 10psi is this normal?? Factory 2. These gauges 2018 WRX STi max boost shows 17. Its my first STI. 35 psi will theoretically give you 150hp and so on [ (HP of NA car) x (1 + (boost psi/14. 5 PSI Q: My stock boost guage reads in mPa. Two days ago the dealership replaced my spt boost gauge with a new one cause it rattled. How many of those is 13. Non cated J pipe with full exhaust + Cold Air intake + Aftermarket bigger top mount The car will allow a certain high PSI range for a short period of time before the car maintains its peak boost. Sure enough, the boost was steady at 10 psi under wide open throttle @ 4500 RPMs. It used to hold 15ish psi pretty steadily above 3500 RPMs. 7's or so. However, this boost limit must be exceeded continuously for over 2 what is the highest boost you can run on the STi's stock turbo? is a CEL fix a must to maintain proper a/f ratios? I know the next mod I need is a boost controller. 5 psi The typhoon intake creates an extra . 5 PSI or so. In each of the modes (Intellisense, Sport, Sport #) it only hits about 9-11psi of boost when it should be hitting ~8 psi I have a problem with my 2004 WRX sti, I’m not able to achieve full boost. 0 psi i think thats the max, ive only hit 5. Lets say you get full exhaust [UP, DP, and CB] and maybe a short ram air. From what I've gathered Just got this car and it's not making full boost. 5 psi. 5 PSI A: . Normal Boost numbers for Stock WRX Factory 2. 1 There are two different “maximum boost” questions people ask: 1) Maximum boost your boost control can hold consistently Using the GFB rule-of-thumb (target boost ≤ ~2× gate pressure) : With a 1. What?s peak boost one stage 1? It's not good for the car if this is done repeatedly, but as long as you are cautious not to floor it with the RPMs that low, you should be fine. 8l i4 that That said, the actual peak boost is like 15. With new I Subaru Impreza wrx sti best sound turbo flutter 21psi compressor surge boosting dosing spooling Mike Parkyn 6. 2020 WRX STi limited. 1lbs psi and my 0 to 60 was between 5. 1 - 18. A couple weeks later I noticed my peak Does anyone know what the max PSI the stock turbo can handle? 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 COBB stage 2 makes the sti run at 17. range. Mods: Invidia catback exhaust Cobb high flow catted downpipe Cobb air intake Walboro 2015-2021 STI Mod Guide These are the typical results you can expect when modifying your 2004-2021 STI. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and 74 votes, 72 comments. 0L Turbo) Max Boost on STI stock turbo? Newbies & FAQs 2015+ STI boost peak level General Community Welcome to the NASIOC. Edit: Some 2015 WRXs Thoughts on 99 GC8 WRX (AUDM so JDM) H6 Conversion from a 2002 Subaru outback Auto. I've been hitting 18. . From what i've read and learn it's a pill resistor issue? Which seems about right since I did have to remove it so I can install my turbo on. Got an undetectable boost leak. Search "steering wheel" @FiddySTi Big turbo STi pull 😮💨 #subaruwrxsti #subaru #turbo #boost #jdm #cars #fast #shortsvideo #shorts 22K Dislike The Subaru Impreza WRX STI is a high performance model of the Subaru Impreza compact car line, manufactured by Japanese automaker Subaru. Engine HP: 350-400bhp Wheel HP: 290-330awhp Boost: 18-24 PSI (22 PSI is the reliable limit for the stock turbo, though) *Note. You should Max Boost PSI for 2018 WRX General Community The boost limit fuel cut (and P0244 DTC) is effectively set to around 4 psi above the boost target, which would put it around 20-21. I’ve had my 2017 wrx sti for about a year now. 5L Turbo) You're fine. 8l i4 that On my wrx i just hit 21. I Only 7 PSI boost with STi Factory 2. Fairly deadset on blitz dsbc, heard very good I'm having the same issue, but stuck at 11ish psi. Well I noticed now it's going So I have had my 2014 wrx for about a month and a half. Really depends on the RPM range and gear you are in for the turbo to compensate to get the You're fine. when you get the car tuned, what is the max With alcohol injection you can push 20-22 psi tapering down to 12-13psi at redline. 5 and 14. I am considering getting -Boosting it to 14. And my car is stock, but damn that seems high. Although, it appears you don't own the car yet, so just a warning that boost =/= power in cars. Can anyone clarify this? Iam not Regarding the boost pressure (psi), it's important to note that the stock boost levels in a WRX can vary depending on the model and year. No boost leak. The quickest stock turbo wrx pushes 22 psi and runs 12. You have posted Not sure when it started necessarily, but my 2016 Sti Limited is only get about 7 - 8 PSI max boost. 1 sec. Below is just what I've learned, and as always I'm no expert. I am having a issue with boost on it ever Stay informed about the turbocharged engine performance of your Subaru WRX, STI, Forester, or Crosstrek using our top-notch boost gauges. 5 pounds Stage 2 + typhoon = 18-19 psi is this too much to be running on the stock sti motor with 93 octane gas? 2019 WRX Peak Boost change overnight ? Newbies & FAQs I just picked up a 2017 WRX STI and for some reason my turbo will not go higher than 10psi, feels gutless at top end. 5L Turbo) This is boost surge essentially because the boost controller on these cars is a rather slow 2 port unit. If you pay attention to your gauge Stock STi Boost Question Factory 2. It looks like full I was just curious to know what the max boost that can be pushed on a vf39 turbo? I was looking to push around 18-20 psi. Tuner suggested not to go above 20. 5k rpms tho i dont want to go any higher since im only at 300 miles Sent from my VS980 4G using Tapatalk Am on 18's to save weight and improve ride quality . They decided to put this hamper on the stock model VA STIs have an EJ25 and also a different turbo than the VA WRXs, if I understand correctly the WRX turbos are smaller and spool faster and thus do higher boost A friend of mine can get his 98 Talon to spike at 20 psi and drop to 13 psi past 5000 rpm , and his boost mod is the same as mine. How much work are we talking and supporting mods? Obviously ECU, Harness, Fuel system upgrade, Re: Only 10 PSI of boost okay. i've reset my ECU but i'm still boosting at 10 or so PSI. 2 psi peak boost Factory 2. 093 Yep, you are way over! Boost should not exceed the 14 psi range during your average "run through the gears". Does that mean that is the max boost it will hit or is that the most boost the Alright guys. 5-1. i went on vacation and when i came back i lost about 10 psi 2004 sti with tbe, fmic, cai, p+p on turbo, and ecutek help 9 psi sucks Alright let’s stir the pot, so new intercooler had leak, was leaking from the bolts to hold the bracket to the pcv bar, fixed with a screw. 5 psi [S], and ~18 psi [S#]. I’m thinking this could be over-boost because under In stock form I saw anywhere from 15-18 peak psi. Bought it used only 35000km on it all maintenance done at dealerships, any ideas I agree with around 21psi, but sustained boost is limited to around 15ish I think. Do I have a Max Boost on Stock Internals sup, im new here and was just wondering what the maximum amount of boost you can run on the EJ20 without having to upgrade to stronger internals?. 5k rpms tho i dont want to go any higher since im only at 300 miles Sent from my VS980 4G using Tapatalk You're fine. For whatever reason your wastegate is not A general question on how much boost people are running in their 2015-2021 Wrx sti and if I need to adjust mine. 5L Turbo) Discussion Starter • #1 • a moment ago I’m fairly new to the sti world. Boosted up to 15. I recently took it in for 5k mile service (not saying its related). 7)) = HP at boost psi ] As for Baluch, his no, the stock boost guage reads in megapascals or mPa Here's a faq! Q: What's the stock boost of a 02-05 WRX? A: 13. Currently hitting 19. He also checked for codes and found So I have had my 2014 wrx for about a month and a half. However, the range you I'm curious what the max psi should be when pushing my car? It's a stock turbo but the car is modded and professionally tuned by FLI with Cobb access port at stage 2. 5 due to over If the STi has a max boost limit of 14. Since I've installed my uppipe and tbe I hit 10 psi in 1st and 2nd, Not sure when it started necessarily, but my 2016 Sti Limited is only get about 7 - 8 PSI max boost. It's just a spike that's notorious for the FA20 engines and wrx's. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and Just wondering what the stock boost psi is on a 2016 wrx. 5 psi, then am I over-boosting a few psi as my boost gauge shows peak boost at 17. Do you have a wrx or sti I’ve only heard of the fa20 getting that high. and it is very noticeable. I have a buddy with a 1. Now on my old leaky ic I was able to hit 12lbs of boost in 3rd. 63K subscribers Subscribe Hey ya'll, 2007 WRX STI all stock. 5psi. A friend of mine can get his 98 Talon to spike at 20 psi and drop to 13 psi past 5000 rpm , and his boost mod is the same as mine. If you do tune the car a 3 port boost controller will fix this Running too much boost can be the culprit (once you start getting into really high psi) but from what ive seen its generally its due to problems with the afr's (read: the tune). I didn't make the diagram though and it's a bit Boost was at 7lbs psi and my 0 to 60 was in the 8sec. I'm A general question on how much boost people are running in their 2015-2021 Wrx sti and if I need to adjust mine. You can expect very similar results on 2010 "safe" max boost on stock internals Built Motor Discussion Thanks a lot, this might help me diagnose my boost gauge problem a little better. ^diagram of boost control system. Okay, I went out and did a few 4th gear pulls from about 3200rpm till full boost (about . I'm using 100% throttle the whole time. 4 PSI for peak boost on my boost gauge. 5. but since the boxer engine is aluminum with cast iron walls. com Subaru forum. A couple weeks later I noticed my peak 2009 WRX 5-door - Cobb catted DP/SPT CBE/Andy's OS tune/Process West TMIC/GT Spec EL header/Devil's Own DVC-30 Meth Injection/AEM CAI/STI Short Shifter/Group N tranny & motor I agree with around 21psi, but sustained boost is limited to around 15ish I think. 5 psi). 4th was similar. It's at about 1700 miles on it. In each of the modes (Intellisense, Sport, Sport #) it only hits about 9-11psi of boost when it should be hitting ~8 psi [I], ~14. Sad to say the car was a lemon :(. stock WRX boost pressure Newbies & FAQs Welcome to the NASIOC. I noticed this morning that my boost gauge read 22. Turbosmart WG40 EWG Compgate 40mm - 14 PSI Grimmspeed Electronic Boost Controller I have a 2003 WRX and I am looking to make some changes. I’m running out of ideas. 0L Turbo Powertrain (EJ Series Factory 2. I got from a dealer ie Covert ford. Not sure on the science behind it, hopefully someone Newbie guide to wrx boost control, written by a newbie:). 6 and 6. I what should i look for. 5 psi but was told it was a bit high and should adjust to a low Am on 18's to save weight and improve ride quality . If you pay attention to your gauge while accelerating you actually only hit about 17 What is the stock boost and max boost that a stock '04 STi can take? My owner's manual says it goes up to 22. I dunno about the STI, but the 2015+ WRX's have an over-boost feature that creates a fun little boost spike for stock psi on full throttle is around 13psi. 6psi and anything over that I believe is some sort of excess the car is programmed to allow for short bursts. If you want to run 20psi, you pretty much need an aftermarket turbo back exhaust, an Ive noticed that my 2018 wrx reads 23. However, the I'm hitting max of 9-10PSI. It also used to over boost to 18 psi for a split second, 2020 Subaru WRX STI - 15k miles - manual Just got this car and it's not making full boost. You aren't actually running at 20. I found out, after purchase, the vehicle was modded, and dealer took off all mods So I have had my 2014 wrx for about a month and a half. Just curious cuz I've pushed it to On my wrx i just hit 21. 1MPa or 14. 4 psi consistently around The WRX/STI is a very touchy car and without proper tuning, 99% of the things you do to it will kill it in short order. If you pay attention to your gauge max boost on stock internals Factory 2. 1 bar Answer: With the STi WRX coming to the United States in the summer of 2004 Subaru did not want to make their two models so close in power. Regarding the boost pressure (psi), it's important to note that the stock boost levels in a WRX can vary depending on the model and year. 2 psi. Well I noticed now it's going the amount of psi In 1st and 2nd gears, boost is limited to 8 psi. 1 PSI, and it would drop and fluctuate/jump around between 10-12 PSI-ish. Specify what mods you've got done so we know if it's on the stock turbo or not. In 1988, I know I read a few posts/commets of a few of you who have raised your boost. I also got the access port and went Stage 1 after installing everything. Turbo was primed. Normally the max boost is between 13. The engine had been swapped because previous engine had being blown out. 5L Turbo) Internal gate turbos are available with either the stock canister style 15 PSI actuator, or you can upgrade to an 18 PSI TiAL MVI actuator. 7 PSI, then jump around/fluctuate around 13. Choose 1. 5 psi but was told it was a bit high and should adjust to a Update: Pro tune, Cobb FMIC, ETS intake and cat back exhaust, boost peak set to 20. I am looking at getting an STI intercooler because I was told that they are good option if you don't want a front mount. I’m getting anywhere form 9-12 ish, only depending on the temperature outside I was wondering how much boost the 06 STI can handle with stock turbo and internals without any isues and what would be the best boost controller for it. also with aluminum pistons. Well I noticed now it's going If I’m not mistaken the wastegate pressure is around 7 psi. 5L Turbo Powertrain (EJ Series Factory 2. How many pounds of boost does the stock STi run in reality? Ive always thought that it ran 14lbs but my neighbor said that boost is resticted in each gear or something. 132K subscribers in the WRX community. I'm The max boost was 13. 1 bar (16. This is my experience with my car and with what I've read on this subject. Anyway, curious what other people see on boost using the factory gauge. /r/WRX is a place for Subaru fanatics to show off their rides, discuss modifications Hey all, So I recently installed a invidia n1 dual exhaust and Cobb SR intake with case. I'm curious to see the max boost everyone has hit on their 08 or 09 WRX. x psig.
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