Sti stage 2 target boost
Sti stage 2 target boost. 5 psi (I think) and target boost for stage 2 is 17. According to the AP and the map notes on Cobbs website the boost target is 15psi +-. Those are my only relevant performance mods. On every datalog I've been within the boost target range. 2 HP and 280. The car appears to start, idle, and run fine. I was only able to hit 14. Also worth noting is the notorious "creep" symptoms my car experiences. I am actually seeing 10 psi, tapering to 9. I'm hitting 14. 8 SGII using Tapatalk 2. The NexGen Stage 2 Power Package for STI Includes: Subaru Accessport V3 (AP3-SUB-004), Subaru SF Intake System (Black / COBB Blue), Subaru Airbox, Subaru Silicone Turbo Inlet V2, Subaru Throttle Body Coupler, Subaru Top Feed 1050x Fuel Injectors, Subaru High Flow Fuel Pump, Subaru Fuel Pressure Regulator for Fuel Rail Kit, Subaru Fuel Rail Line Kit, Subaru Fuel Rails, Subaru Spark Plugs & the May 1, 2023 · Map Notes for VA STI 2015 - 2018. The restrictor pill is to allow pressure to build up from the boost solenoid before acutating the wastegate. Like IAG's Stage 1 Short Block, this short block starts with new EJ25 case halves that are stuffed with IAG-Spec JE 99. 1667 posts · Joined 2008. Please feel free to follow, as I am aggregating threads that have similar issues. My boost level has been set for 19. Oct 24, 2021 · 7 posts · Joined 2021. So what your experiencing is normal at redline. " Ideally a turbocharged engine will spool up, achieve target boost and match the per RPM boost targets set in the engine mapping all the way to redline. 45 deg F out and basically at sea level. I tried running on Stage 2+ LWG, NWG and then this morning I ran Stage 1+ v361 and same issues. 5" outlet. #3 · Oct 5, 2009. You can also now use you AP cable for the tari racing software to get some more information. 0psi by the 7000 RPM redline, +/- 1psi. I just purchased a sti from a local used car dealer. So what if I edit all my posts!!!! Sep 15, 2008 · Technical Forums and Vehicle Assistance. Jul 28, 2008 · Not Hitting Full Boost on Protuned Map. Apr 6, 2016 · I went for a drive to check that everything with the boost was ok and realized that i was not reaching target boost. Aug 21, 2012 · 16 posts · Joined 2012. my protune has the target boost at 19 psi and i was being limited to around 10 PSI from 2000 rpm to 4500 rpm and then some times it would creep up to 12 to 14 psi above 4500 psi. The AP can give live boost readings up to 18. 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. 2013. c2bcoolwrx. May 3, 2006 · The max boost I'm hitting is around 15. May 4, 2008 · 1080 posts · Joined 2008. It pushed 23lbs this morning and was bucking like crazy. Save Share. 5 and 17. If you have no CAI, you're definitely over target boost levels by quite a bit. After a while, the boost will start creeping back up towards our target 18psi. Apr 13, 2016 · 2016 WRX. This can lead to quicker spool and smoother boost, even on stock turbos. I also noticed that the twitchy throttle response from the stock tune on S# has been removed with the Stage 1 maps. HWG map caused overboost and popped the line off. They will release Stage 3 OTS maps (TBE, SF, Injector Dynamics fuel system). Subaru 2015-2020 WRX 6MT Map Updates. Feb 1, 2009 · The car shouldnt be boosting 17 psi as it is in its state. The 3. However, based on my AEM wideband readings, it seems clear that COBB are running conservative fuel mapping. e. #2 · May 20, 2008. " So, you won't see 17psi. Target boost is 17. 7 psi. #1 · Feb 21, 2011 (Edited) This is a Review of the COBB AccessPort Stage 1 map on my 2011 STI Limited. #1 · Oct 24, 2021. Well I checked tonite and the best that I got 1st-3rd was 14 Feb 16, 2006 · WRX88. I've NEVER hit target boost but have NEVER been this low. Code will be for wastegate duty cycle high. Intermittent Wastegate Boost 10psi 2006 STi, Stock Turbo, Stage 2 – Yes, I Researched - NASIOC. It's been a while, but I believe target boost for Stage 2 for the 02-05 WRX is 16 psi +/- 0. While driving there are no notable sounds or drastic changes other than the clear absence of boost. Ever since I installed an Invidia CATTED downpipe it seems like the boost is too high. My base cobb stage 2 map with cobb downpipe and exhaust, 235hp and 238 tq. A thinner diameter exhaust would accomplish this in addition to a high flow cat. It really depends. Jan 8, 2008 · The people at Cobb would differ in opinion with you - I talked to one of their techs the other day and he said that an incomplete stage 2 exhaust setup is a likely reason for not hitting target boost, and that opening it up more would more likely result in the boost psi numbers that Cobb is posting for their maps. 5 on stage 2+AEM on 94 octane. As stated, the way to eliminate the risk of boost creep/fuel cut is to increase back pressure in the exhaust (Other than ported wastegate or external wastegate). I think it does a good job of preventing overbooat snd maintaining boost throughout the rpm range I notice I hold boost a lot better overall Apr 24, 2024 · 2007 EDM FXT 4EAT, st 1, 2 & 3, continuously updated! Post subject: 2007 EDM FXT 4EAT, st 1, 2 & 3, continuously updated! Location: Stockholm, Sweden. Just went stage 2 last week and decieded to check if I was hitting target boost, 15. Greddy Trust 60mm silver face boost, EGT, Oil preasure. The reason they give is that IDC gets too high, so you should buy our stage 3 package that is on it's way. Today is the fourth day, it feels better than the first day, but it's still slower compare to my previous setup Feb 10, 2010 · HWG='s high wastegate map. 0psi. Engine and Exhaust. 1 at 6500 rpm. 5 psi so I should be able to tell if I am over-boosting or not. To correctly test boost, you need to start at a low RPM (say 2000) and leave the pedal down. Not only are the power and torque gains inherently impressive, but it's also important to note how much less work is required from the turbo and less stress on the engine to achieve the higher power levels. Want to keep my engine happy Am I in a safe range? Thanks. at WOT when coming out of a shift. I'm thinking maybe my TMIC is junk or my stock BCS is junk. I've been running a catless DP, stock midpipe and Nameless 4" muffled axle backs for the last couple of months on the OTS LWG stage 2 93 map. Remember that peak boost is quite low in the RPM band since your motor is relatively large for the stock turbo. On the topic of day-to-day drivability, COBB have done a great job of maintaining the smooth idle and glitch-free powerband of Stage 1. 2008 Dark Grey Metallic STI Mods: Stage 1 94 Custom tune Sep 1, 2005 · I am thinking about going Cobb Stage 2 soon (I have been running Stage 1 for over 6 months). Target boost is the maximum boost pressure that you should be hitting as determined by whatever map you are running. I have Stage 2 93oct v1. 0L Turbo) 8: 10-27-2004 02:59 PM: Stage 2 Owners Boost Level: DimSum22: South West Impreza Club Forum -- SWIC: 4: 04-24-2004 10:35 PM: Utec Stage 2 New Boost Jan 12, 2015 · Car: 2015 STi Tuner: Brendan @ BrenTuning Dyno Info: Mustang MD150AWD Transmission: 6-Speed Gear: 3rd Peak HP at RPM: 271WHP @ 5400RPM Peak Torque at RPM: 301WTQ @ ~3900RPM Baseline HP/TQ for stock on same dyno: 236WHP/219WTQ Target Boost: 19PSI Target AFR: ~11. Invidia cat back exhaust and a MAP down pipe. 5psi. Mods - APS 3. Earlier this year, with the release of Accessport tuning support for the 2020 Subaru WRX, we launched our first subset of Off The Shelf (OTS) Maps using the 2nd Generation COBB Custom Features (CCFv2) ECU type. World renowned turbo manufacturer Garrett defines boost creep as "a condition of rising boost levels past what the predetermined level has been set at. 4psi to 2. I swapped my uppipe with a catless sti uppipe and am running a green filter with the snorkus removed and sti bov with the sti vacuum return line as well. Use HWG map if not hitting target boost or boost tapers too quickly. 4 pounds which is slightly below the 16. 2020 with 6400 miles. Dec 17, 2012 · Intermittent low boost issue. The tune feels MUCH better than the Cobb stage 1 OTS map. When the tune started I couldn't even get to the 14. When comparing our MAPerformance Stage 2 power package to a stock STI, there are many advantages far beyond the improved sound and raw power. Sep 24, 2015 · Some have reported this problem stock. You would think that we would see higher stage 1 results if the increase is attributable to the differential changes. 2005 AT FXT, 33k, all stock except a K&N panel filter and Cobb's stage 1 for 93 octane. 8254 posts · Joined 2005. The same rom can be used as "stage 2" as well, but you may have to massage the wgdc and some other maps for it to run Oct 5, 2009 · WagonGuy. Re: Only 10 PSI of boost. 19 target boost summer. Once and awhile I’ll hit the actual full target boost. 6psi. Sea level. Even with a bigger turbo the Cobb downpipe will support 450 horsepower before that 2. 8 at high motor speed. Oct 2, 2021 · Blicken said: Just wanted to follow up on this thread in case anyone else experiences the same issue with a 2020. You set a boost target, and then calibrate a low and high duty cycle to attempt to reach that target. 5 lbs boost. I am a dd wrx guy who does very occasional wot to 85 mph or so. AEM Wideband UEGO, Apexi TT. 7psi. Generally speaking, the 91 and ACN91 calibrations run slightly lower boost, have a richer fuel curve, and a less aggressive ignition advance map to help compensate for 91 octane fuel; Arizona, California, and Nevada 91 octane fuel; and/or less than ideal atmospheric Apr 12, 2011 · Torque and Power delivery still feels the same as stage 1, but just stronger. *To confirm your model year, you can refer to the tenth value in the VIN number on the vehicle. When on boost, the Stage 2 tune consistently registering a ratio of 10. The more boost you make the more power you have, but if you are going over target you are increasing the chance of knock. You have the same engine and drivetrain. Apr 18, 2004 · 04 STI stage 2 not hitting correct boost: subadupa: AccessPort: 0: 11-23-2009 07:38 AM: Cobb Stage 2 logs - not hitting boost target: Drivinwest: AccessPort: 2: 06-26-2009 10:51 AM: Stage 2 = not hitting target boost. Why take a chance running a tune that's not meant for your Aug 29, 2011 · Cobb Stage 1 not hitting target boost. We performed a custom tune to 19psi on 91oct. 5, tapering to about 10 psi. 01 map has bost targets of 17. EJ25 - 2. 23. Aug 21, 2005 · AP stage 2 not hitting target boost. For model year 2001-2009, the 10th value in the VIN will be the last digit of the model year. #1 · Jan 28, 2012. When I run the stock Realtime map on my Cobb, and put it in "I" Mode the AP says I am boosting as high has 19 PSI in higher gears Oct 16, 2017 · I'm not seeing increased boost in the 18 vs the 17. #2 · Aug 8, 2010. Also cobb boost target have a +-1. Also a cool air intake, I'm not sure the brand. 12 posts · Joined 2012. i have also been experiencing a slow jump and drop as i hit wot. Car hits target boost everytime and all in all just runs PERFECT! Question on Cobb's stage 1 for 2015 WRX as I am very new to this: On Cobb's site it says, regarding the requirements for Stage 1, "Boost Targets: ~19. 5 and should be hitting that around 3k or so. 5 psi Cobb target boost for stage 2/93 Oct. 5mm forged piston and rings. Feb 2, 2010 · I am pretty sure the target boost for stock and stage 2 are 14. i have a helix down pipe, hks hi power exhaust, stock intercooler, hks bov, trust intake and samco intercooler hoses. Do you guys think I should get a boost Dec 2, 2013 · GR Series STi Discussion (2008+) GR-General How to make the most of your Stage 2? 10109 Views 77 Replies 26 Participants Last post by Toivonen, Feb 26, 2014. 08. 4 and -2. 5 in S (i. 2015-2019 (ADM Spec). 5psi) MAP targets 20(overboost enabled) so numbers like this are very brief and fine Reply christiane46 ‘17 WRX STG 2 FF • Jan 20, 2004 · For Stage 1, that means maintaining 14. Just something to keep in mind. Jump to Latest Follow 3K views Nov 12, 2005 · I installed the AP stage 2, 93 base map about 3 weeks ago and plugged it in today in order to see where my boost levels were hitting. Mar 23, 2005 · HOLY HELL I CANT WAIT ANY LONGER The max boost I see in 3rd gear is 14. if you've got the exhaust and flashed stage 2, maybe try resetting your ECU and giving it a little time to re-learn. ~900 miles on odometer. RIP Jerome Sparich (NJJer)- 2. This level would only stay for a very quick split second as my friend noticed the PSI levels settling around 17. 100% not the boost control noid failing, as others said the it would just run of wastegate spring and plus you would most likeley get a code. i'm not hitting target boost either. More noticable in "I" Mode where the target boost is slightly Dec 14, 2008 · So i'm running Perrin Stage 2 map with Invida Catless DP + SPT CBE. I am over boosting like crazy. However I do agree talking to your Dec 21, 2023 · There are no check engine or other failure alarms triggered. This stage made 249. May 21, 2012 · 14171 posts · Joined 2010. Method: In order to gather numerical data for analysis, we collected datalogs from the car under wide open throttle (WOT) dyno runs, in the following tune/hardware configurations: Conditions: 45-48 degrees F, Sea Level elevation. I rarely ever hit target boost, I’m always around 18. 5 psi. It measures stock Stis around 210-220. Fix = New OEM Battery. Jump to Latest Dec 20, 2015 · Cobb Stage 1+SF not hitting target boost. The only way to get more boost safely at redline is to get Jul 18, 2018 · Cobb stage 2 2018 sti HELP! I have a 2018 sti and I just ordered a invidia divorced catless downpipe, awe tuning catback exhaust, and Cobb ap with Cobb cold air intake. Straight from COBB Stage 2 description: "Boost Targets: ~15. Intake temps are great. with 91 oct fuel a little safety is better than reaching a full 18psi. Open source tune also. I didn't think that I would be cause when I checked when I was at stage 1 I was only making 12. boost drops to 15psi in 20-30 deg weather. The car is stock (as far as I know), I purchased it around late November. 0psi peak boost pressure tapering down to ~13. 5L Turbocharged (2004-2013) Aug 28, 2023 · Model year 2008-2014 STI (North American, ADM Spec) *To confirm your model year, you can refer to the tenth value in the VIN number on the vehicle. I have read thread after thread from normal enthusiasts to performance tuner shops saying how bad this is. Didn't record -5. 5, but I can only get that in 4th, 5th, and 6th gear. It's interesting though, because these 2018 numbers tuned to stage 1 aren't much better than my 2017 on stage 1. 03 flash as a BaseMap only. 0 map has a boost target of 16. So, I went ahead and downloaded that and put it on. The IAG Performance Stage 2 Short Block is a built-short block for those of you that need stronger internals to sustain higher horsepower and higher boost. 5 PSI, -/+ a couple of tenths (which is what Cobb recommends as Target boost for the ACN91 Stage 2 Jul 15, 2011 · While getting my car tuned this week I ran into something that confused me. Sent from my DarkSide v. If you remove the pill you will get a wastegate flapper noise at low rpm. 5psi (05 stage 2) about recently when the weather cooled and temps dropped to Feb 19, 2015 · Cobb update on Stage 2+SF. Basically here's how it works. Aftermarket hardware, such as exhaust, can "allow" you to utilize a particular Stage as much as it "requires" it, in the Cobb scheme. on Stage 1 the power increase is not really that noticeable. 5 is target boost for cobb stage 2. 2012. If over boosting, car will normally buck/cut out under hard acceleration and you will get a blinking check engine light. Stage 1 on Cobb's web site says 13. Oct 7, 2018 · On the flip side a more restrictive system than the cobb parts may not hit the boost potential. and it is uncommon for gauges to read a bit high. 1, once. #1 · May 4, 2008. However, the "Boost target" monitor reads -2. This stage includes all the parts of Stage 1 with the addition of a Downpipe and external wastegated uppipe. Jan 28, 2012 · smithracing11 Discussion starter. Dchee. Any help would be great! According to Cobb's map notes for that map you are hitting boost target for Sport mode. Due to traffic and driving conditions, etc, this is the first time I've been able to get really clean logs of strictly relevant pulls. I have a turbo XS downpipe on my 06 with the cobb 93 octane stage 2 and am also within the boost targets, only reason I got the turbo XS downpipe is for the interchangeable center section and the larger bellmouth for when I get a bigger turbo. No check enj. Apr 18, 2010 · Cobb Stage 1 overboost, LWG map underboosts? Cobb Accessport . I recently installed a catted dp, and had my STI tuned at Dyno-Comp here in Phoenix. When logging boost, the "Boost target" monitor typically reads 2. 3 on my AEM wideband gauge. Cobb Accesstuner . Then I did a little research and figured out that theres not really any reason to not use the HWG stage 2 map. If I’m not mistaken the wastegate pressure is around 7 psi. 4 PSI. 0psi peak boost pressure tapering down as you approach the 6900RPM redline, +/- 1. 7 FtLb TQ. #11 · Sep 8, 2012. 5 in S# and 14. When I go WOT from about 3k RPM in either 2nd 3rd or 4th gear most of the time I will hit 20 psi and it tapper s down. personally i would run the hwg map and monitor for issues as winter starts to roll around. " It also says how to monitor the target boost: "The best way to determine if you are hitting target boost is Mar 8, 2006 · 05 crystal grey. I have a K&N panel filter and an STi axleback, but otherwise stock. 07psi. So, I decided to open up the OTS stage 1 and OTS stage 1+ maps. 2. The car ran flawlessly for a few weeks but recently I have an intermittent issue where the car wont make more than 9 or 10 psi. 5 + or - . Jan 2, 2007 · UPDATE: Got protune today at Engine Logics in Houston on Dyno Dynamics Dyno. 4 was spot on within target. #11 · Aug 21, 2012. Mar 5, 2009 · Missing Boost Just went stage 2 with STi headers, STi UP, 3" DP and STi catback. Boost Targets: ~18. stock boost levels). Proposed Cause = Failing Battery caused a low/fluctuating voltage which caused a MAF sensor malfunction. Jul 26, 2007 · boost is stock still with stage 2 Same here. Still 14. 7-19, sometimes it’ll be even lower. The sound from these plus my SPT exhaust sounds excellent also! Monday I had privilege of having Tim Bailey tune the car. 0L Turbo Powertrain (EJ Series Factory 2. I consider my Overboost problem solved and car is now behaving completely normally. Aug 8, 2010 · mosc. this may be a silly question, but do you have an exhaust, or at least a downpipe? you need that for Stage 2. Jump to Latest Follow 6K views 7 replies Nov 28, 2006 · Stage 1 (reflash) = 14. After running 1st in this thread in this sub-forum in the entire site Nov 27, 2008 · Many people move from the stock 2 port bleed style boost solenoid to a 3 port interrupt style boost controller. #1 · May 9, 2015 (Edited) As many of you know, there is no OTS stage 2+ map from COBB. 17. Feb 28, 2013 · Not hitting target boost 2004 wrx stage 2 Engine Management & Tuning Not hitting target boost 2004 wrx stage 2 - NASIOC Welcome to the North American Subaru Impreza Owners Club Feb 21, 2011 · 886 posts · Joined 2010. t4nk: AccessPort: 3: 04-12-2007 09:41 PM: Cobb Stage II+ not hitting full boost: raamaudio: Factory 2. Feb 8, 2019 · I flashed my 2017 STi with my Cobb AP to the Stage 1 ACN Boost Select and noticed that my peak boost didn't hit 10 PSI. 6, but did record -1. I've been in contact with my tuner but wanted to get some input from you guys. At 45k, I installed a Borla XR-1 catback and invidia v3 catted DP, and flashed to OTS Stage 2. Sep 23, 2006 · 2. Jul 3, 2008 · Cobb Stage 2. I took a few moments and decided to redo my stage 1 rom a little. It came with an access point hooked up with a stage 2 93 Oct map installed. Apr 25, 2006 · AP: Not hitting target boost. 5 and it's lineage comes from the original stage 1 maps for the 08/09 STI. 6psi lower than the "Boost" monitor. May 26, 2007 · 460 posts · Joined 2006. Its amazing that Subaru came out with a Stock Tune that is as bad as the one on the 2011 STI. sometimes in 5th i could get it to go up to 16 psi May 18, 2018 · It could be related to the wastegate or turbo. I contacted a tuner to make me a tune for these mods but he is saying that for 2015+ stis do not dump enough fuel for a catless downpipe and he is saying that I will melt of Feb 21, 2008 · Mar 6, 2008. On both the 93v and 93v+SF maps, I was never able to hit above 13PSI of boost before or after I installed the intake. It sounds like a rattle. Nov 23, 2011 · 2011 wrx full tank of 92 octane fuel (ethanol free) 100% stock except Cobb stage 1 91 OTS flash. Today I took my stock 2015 STI with 22k miles and installed the Cobb V3 Accessport then later in the day installed the Cobb SF intake. AFAIK, '15-17 run 14 psi Hate to say it, but I'm not sure stage 1/2 are really worth it without E85, not to me at least. to ~13psi, depending on vehicle and conditions. ΜOΛΩΝ ΛΑΒΕ. Sep 2, 2006 · 16. 2015 STi: Still Stock. After protune by Brad 255hp and 280 tq. 5 Liter/Litre Factory Motor. the stock turbo cant turn out that rate at the higher rpms because of May 9, 2015 · 141 posts · Joined 2014. I am having a similar issue as well, posted a huge thread on it. #3 · Nov 20, 2006. Simply put at low RPM the car seems reasonable normal, but over about 4k RPM it feels like it is pulling an anchor. Use LWG map if overshooting target boost or spiking badly. The reason you get 20+ psi at that range is because that is momentum from boost build and can be a spike from a high WGD meant to give you good boost response. The most I could hit was 12. Sep 6, 2012 · 139 posts · Joined 2006. 5 boost question: WRexxer: Engine Management & Tuning: 4: 06-17-2005 09:22 PM: Cobb stage 2 target boost question: MO REX: Factory 2. 27. Jul 6, 2022 · These NexGen Stage 2 Power Packages for the VA STI are offered in three flavors with the only difference being the included intake system. I have a problem with my 2004 WRX sti, I’m not able to achieve full boost. These readings are on the AP itself - not a gauge. 92 octane pump gas. 585 posts · Joined 2005. to the op. 2 psi 1st-3rd gear supposed to make 14. Aug 9, 2011 · I've programmed a stage 2 tune on the original ECU, and have a catless bellmouth downpipe, 4 into 1 exhaust headers and catless up-pipe. For model year 2010-2019, the 10th value in the VIN will be A-K, starting with 2010, ending with 2019. So I’m new to Subaru and Turbos Jun 18, 2009 · Sort by Oldest first. 5-13 psi. 2006 Sti Stock Boost. I switched to the Stage 1 ACN Boost Select HWG and wasn't able to hit 10 PSI either. 5-14. 7 on the map notes for the vf39 91 octane non california map. 7 target. Tried adjusting the wga but that didn't yield any noticable results. I was only getting max 12. Peak boost target for mode on the ACN91 map is 15psi, +/-1psi, and for the regular 91 octane map it is 15. 91 or 92 octane fuels. Sep 7, 2016 · The cobb downpipe has been the best downpipe available for the WRX/STI since 2004. 5 psi on stage 2 with 94 octane, and I hit roughly 20. It feels like it's Mar 25, 2008 · I did a couple of 4th and 5th gear pulls on an open road, and from the AP readings, we were seeing boost levels peaking at 18. 7 at 4200rpms. Feb 16, 2010 · Take a look at Crawford's stage 2 for their time attacks and track events its like 17psi. Apr 18, 2007 · So I had a friend with me on Saturday and figured with the extra set of eyes I'd use the AP to check my boost. . Jun 13, 2006 · Not to mention that boost control needs a few days to refine. Here's a 30 second primer on how the STI's boost control system works. 5psi peak boost pressure tapering down. I tried in 3rd 4th and 5th gear on the highway. Historically, COBB’s OTS maps have been based upon the standard ROM Dec 29, 2014 · Boost Creep - Definition, Causes, Solutions. The first supports all applicable model years and includes our Redline Carbon Fiber Intake while the other two include our SF Intake/Airbox combo that supports either 2015-2018 STIs or 2019-2021 STIs. This higher target boost is supposed to take a 2 turn shorting of the wastegate actuator arm. I'm AP Stage 2 protuned, 20 psi target boost. Nov 20, 2006 · 5005 posts · Joined 2004. I figure, the only thing that should be different is the MAF Mar 6, 2011 · New to Stage 1 +SF & Maps not hitting target boost. Jun 19, 2011 · The 3. 0 Fuel: 93 Octane Mar 10, 2019 · Stage2+SF 91 MTv331 High Waste Gate - Intended for an otherwise stock 2013 Subaru WRX MT vehicle running a turbo-back exhaust with a high-flow catalytic converter and COBB Tuning SF intake system. 8-13. It is not about tapering off boost or controlling overboosting and a 3 port solenoid still uses the ECU to control boost. :thumbup: '09 STi stage 1, hope Sep 24, 2016 · Both stock restriction pills are in there. Significant improvement and a pretty sizable power & torque increase. Target boost is 15 +\- . Yea with supporting mods and a protune sure it can be done no problem but not at its stage now. Just did the stage 2 93 octane map drove it around for a while and only got it up to 15. 0psi variance. if i saw 16 peak in 5th on the hwg map. I just tuned to stage 2 on 93 for texas 93 oct gas. 8 +/- psi boost. 5 +/- psi boost; for Stage 2 the target is 15. Otherwise it was stuck in the 11's. 5 TBE Catless, APS Cold air, XXtuned stage 2, Street Tuner, Perrin crank pulley, Cusco Oil Catch, 1 step colder Denso Iridium plugs, Kartboy shifter and shifter bushings on SPT shifter arm. Not sure why this would happen, but I'm not hitting my target boost level in 1st through 3rd gear. Like. 5psi peak boost, tapering down to ~12 psi. TLDR: According to Cobb 107% IDC is unsafe with TBE and SF. Perrin 3″ Turbo Inlet and Boomba Recirculating Bypass Valve. 5 respectively. 3 tapering to 11. 8 psi +/- . 8psi +/- 0. I went to an aftermarket solenoid and took out the restrictor pill. Cobb's specs say I'm supposed to see boost levels of 13. #2 · Jun 18, 2009 (Edited) Well according to the Map notes for a Cobb Stage 2 Tune for an '05 STi your target boost is: ~17. Cobb stage 1 target is 19(+- 1. 04 STi, 04 WRX: SOLD. ” Aug 25, 2014 · Re: 2015 STI Knock with Stage 1 OTS Cobb tune !!LOGS ADDED!! Here are fresh data logs. I never really expected to hit it in 1st, due to not having enough load or time in that gear, but the 2nd and 3rd? Mar 14, 2011 · I was hitting 19. #11 · Apr 25, 2006. You have posted multiple times but you don’t follow up with anything letting anyone know if it’s Jun 19, 2011 · I bought the car w/ 17k miles, shortly after I went Cobb OTS Stage 1, which fixed the pre-boost hesitation issue, and relaxed the throttle table a bit. I flashed the AP on Saturday. There's a high and low duty cycle range, turbo dynamics, and boost targets. I'm unable to reproduce overboost condition regardless of environmental conditions. Jul 5, 2011 · At the end of the day its on you which you should use. The other design features of the Cobb far outweigh the 2. Running a catted map on a catless DP might have "worked" for some, but cobb definitely advises against it. light. I hit 16. When having the key turned to the "ON" position with the car off, the "boost" monitor on the AP reads 0. 20 hp gain and 42tq gain. Cobb stage 2 with Cobb intake system. Just recently installed a tbe and reflashed to stage 2 with the latest maps on my 07 TR. Not sure how you're getting 17 psi; that is stage 1 level. I noticed that in 5-6 gear when I floor it, it gets to the target boost then starts to climb as the RPMs approach redline. Feb 3, 2010 · So it appears that I have an overboosting issue with my OTS Stage 2 GR STI. We saw a 34 HP or 16% increase in peak power and 63 FtLb or 29% increase in peak torque. RIP Chris Schoen-Kiewert of EFI Logics - 7. 5psi, +/-1psi. 5psi +/- 0. [*]Stage 2 (reflash + TBE) = 16 psi. 5psi and 15psi in 4th gear. May 20, 2008 · 334 posts · Joined 2006. Stock boost is between 14. 1292 posts · Joined 2005. Jan 21, 2010 · stage 2 protune. Car just seems to flow better and pulls harder. Nov 22, 2017 · Re: 2018 STi Cobb Stage 1+ SF (Dyno Tuned by BrenTuning) I think the 16 psi stock boost is how the '18s are getting that extra power. 5" becomes a limiter. Protuned by Tony at XX 324Tq 320hp Jun 26, 2007 · We may earn a commission for products purchased through links on this page Feb 17, 2015 · Vehicle: COBB Tuning R&D 2015 STI (#2). You keep boosting at 22 psi and you may have problems with the 91 fuel. Stage 3 (reflash + TBE + VF39/18G + Pill + TMIC) = 17. ID fuel system could mean just injectors or maybe more, who knows. I ended up having my car dyno tuned today. Mar 8, 2022 · Power as tested on 2004-2006 STi vehicles using these identical calibrations. #16 · Jun 19, 2007. 5. I’m getting anywhere form 9-12 ish, only depending on the temperature outside. 5L Turbo Powertrain (EJ Jun 11, 2020 · By Marshall on 06/11/2020. #4 · May 22, 2012. wl fm dk ci ug rm lt pe fv am