Ct20 turbo max boost mr2 Mar 23, 2009 · Hello. 0L with CT20 turbo. The turbo kicks in at 2200rpm when in 2nd gear full throttle. I think i'm just going to tune this gt28rs to a boost and power level i'm happy with and upgrade if needed as like you say it might drop off at top end, maybe Apr 8, 2006 · Wasn't the JDM MR2 one a CT20B, and the CT20 was from the 4runners, IIRC? My freaking Garret 60-1 non-ball bearing turbo with . I have yet to see an HKS turbo put down big numbers in an MR2. Jan 21, 2007 · The factory spool I get at full throttle i. Posts: 933 Joined: Fri Oct 19, 2007 9:37 pm Stomping Ground: Manawatu Prime Mover: SW20 First name: Chris Jan 5, 2011 · I run one of the very first WEPR hybrids a few years back, ct20 / ct9 variant with diffirent trims etc. You can't set boost to zero. 0L with CT26 turbo Turbo Boost Leak Testers, Inc. Jan 13, 2008 · Can I get a CT26 from a Supra and use it on my MR2? Yes and No. Port the volute and you can make 500hp pretty easily 5 days ago · Technical data for Model CT20 by Toyota; Tolerances; Part Inches Millimeters; Min. May 10, 2007 · Whats the max boost i can do on a standard ecu. Compare ('90-'94) MR2 3S-GTE 2. Yes and No. 0 bar with an electronic boost controller. It does not fit my exh system. > If it is a CT20, then I think import MR2 turbo models came with a CT20, as did the jap/europe model ST205. "i mean low boost (6 psi) they claim 230 hp and at high boost (8 psi) they claim 270hp". - forgot which month since I left it at work - there is a `93 that is reports pushing 335WHP and 240TQ. Re: [Mk2] [Turbo] Max boost ct20b mr2 Rev 2 ? Post by Rory » Thu May 10 The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. 0 bar. 5" installed it has between 25-30lbs of pull. Top Contributors this Sep 20, 2017 · The problem I'm having is controlling boost with a new turbo installed. Then we just need to make sure at 7. Feb 1, 2006 · Does anybody know whats the max PSI a ct26 can boost or handle? 90-99 NA & Turbo 1990-1999 MR2 Parts Swapper General MR2 Discussion. But, for a stock gen2 3sgte or even one with a ct20 or ct27 (ATS Racing turbo), the MBC is hard to beat for "bang for your buck. I bought (in haste) a new Toyota CT26 online for $300 only to find my car uses a CT20. I believe turbo rebuilders offer the ct20 compressor as an ugrade for the ct12. The only thing that the td06 has going for it is that it is EASILY rebuildable and it's cheap. I bought my car with a 4agte motor. My problem is it only starts boosting at about 4500 rpms and dies at about 6500rpms. 5bar but the standard injectors are well out of puff by that time even with the raised rail pressure. 5psi, with 10psi being normal. certantly not my post. A CT20 is not a turbo that anyone with an MR2 would want anything to do with. Sep 16, 2005 · As for turbo's, When you say 300hp do you want this at the crank or wheels. can some guide me with few points i should be looking into like - does it have a ceramic wheel-will it be a bolt on fit for 91 3sgte Sep 6, 2008 · Having some questions about putting up the boost on the CT26 turbo with stock engine ( recond 7 years ago) and CT26 (recond 2 years ago) If i just install a manual turbo boost controller, and put the boost up, would that give me instant power increase? or do i need some ecu tuned? and whats the max boost that i can run at? thanks Based on research it turns out they are right? But my question is why would the previous owner do this swap? Is the ct15 better than the ct20? From what I read the ct20 is great turbo, but can’t find much about gen 4/5 turbos on a gen 3. The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. Top. Jan 14, 2010 · It will be flowing it's max volume. The turbo used to be a toyota ct20. 1 bar? Stock Turbo The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. Nov 19, 2015 · * ~26psi max boost (at torque peak - ~4600RM with 4th gear pull) * 18. Jun 9, 2006 · How goes things out there, I am a relitivly new mr2 owner of a na 5sfe 93 mr2. it is significantly better than the stock ct26 because it can flow more and pull all the way to redline. Feb 23, 2008 · ct20 was a small toyota truck turbo used back in the days if you're referring to the jdm gen3 turbo for the 3sgte the un-official designation is ct20b that everyone is assuming you mean. The CT12B turbocharger series contains a 7. Free flowing exhaust and intercooler(Do these change the VE?) you should in theory not be able to build boost as easily, as the engine A friend - TigerJC - and I at work are debating whether a CT20 will be able to push 330+whp. Maybe yours have been upgraded with the ct20 compressor housing and blades. Choose Options. Aug 15, 2005 · Sorry to but in on the subject but is the same boost level applicable to my engine? Its a rev 3 motor w/ ct20 turbo, its stock apart from an apex-i panel filter. Min. A genIII 3sgte turbo should never be refered to as a CT20. I just had fun on the highway with a lamborghini the other day, I coukldnt of done that in a stock mr2. Is CT 20B Turbo work ok with a stock engine? Does it directly bolts in like CT 26 or CT 27? Is there any modifications I must do to make CT 20B work properly with my stock engine? What is the save boost on CT 20B with stock engine? Dec 11, 2019 · A lot of people make comparisons between the JZA80 CT20 and the CT12B turbocharger series, but they do have some differences. iOnic Guest of the Club. No returns. 5PSI. :headbang: The CT26 has a T3 flange. This might be a reason (if it is true) why some cars can't produce as much max psi with the same turbo as others. Should flow more air but then again I don't know how the compressor maps compare. Posts: 1922 Joined: Thu May 04, 2006 11:44 am Stomping Ground: Auckland Prime Mover: SW20 First name: Joon FWIW - I made 210whp back when I had a ct26. had quick concern as i might be upgrading from ct26 oe to a ct20 turbo. 5:1 at full boost * Lots of timing advance (up to 21 degrees at peak torque and power, and 24 degrees at redline) Oct 9, 2015 · For max boost, small turbos pushed really hard to high boost, are not very efficient at that. Feb 28, 2014 · 1993 MR2 turbo build TBD. Corona Apr 6, 2020 · Modern turbos will help with a much wider powerband. Jul 9, 2008 · Actuator Arm Length: 7. Due to the gen 4 map sensor I'm limited to 17 psi or so. From the Factory Service Manual (aka Big Green Book = BGB) stock boost range is 7. He states it's not possible. It'll spool slower than a ct21 while making the same power at low boost (and by low boost i'm talking less than 22-25psi). Features:Positive action ball and spring type controllerConvenient adjusting knobRight angle hose fitting that eases mounting1/4" hose fittings for less restrictive flowIncludes:Twos R Us MBCTwo 3 foot lengths of high temp/high pre To all sifu, how come my fren's MR2 with Greddy Profec B2 boost controller maximum boost at only 1. Save Share Revamp your Toyota MR2 or CT20 with the cutting-edge 3S-GTE Turbo Kit, engineered to deliver unparalleled performance and efficiency. Dec 1, 2024 · 100% Brand New, Never Used or Installed Rebuild/Repair Kit includes as picture shows Professional Installer Is Highly Recommend(No Instruction Included) Exactly Same as the Picture Item Includes: AS photo show Application : TOYOTA CT20 CT26 17201-68010 17201-74010 17201-74030 17201-74040 17201-42020 17201-58010 17201-58011 17201-17010 17201-17020 17201-17030 What you see, what you get! rebuild Jan 9, 2006 · They are less popular on aftermarket turbos due to the restriction in size of an internal gate and concerns with flow. Dec 17, 2006 · A recent boost leak (Now fixed) got me thinking about the way in which the engine builds boost. this hybrid should still give boost at the same low RPM, but will flow more air at the same boost, so it should see lower EGTs and more performance. 3SGTE Turbo Jan 25, 2010 · Been street tuning the car using the EBC. May 29, 2007 · I have two turbo trucks I dont think your compression numbers are all that bad its a low compression turbo engine. What is wrong?I'm boosting 1. 8 mph on a e30 tune but il just dial back the boost until the pure850 arrives hopefully by the end of January. I'm thinking the extra heat in there could have prematurely degraded the HFH and eventually it burst. MKII, 90-99 NA & Turbo. Jun 3, 2005 · ** moved to the MKII 3SGTE (Turbo) forum The factory turbo really should not be pushed beyond 15 psi. Posts: 933 Joined: Fri Oct 19, 2007 9:37 pm Stomping Ground: Manawatu Prime Mover: SW20 First name: Chris Aug 29, 2013 · But they were burdened by a turbo with a small compressor wheel that struggles to hold boost at high rpm. I'm looking at purchasing a CT26 turbo and with light modification fitting it to my 22RTE. Max. Apr 16, 2009 · kim0663 Guest of the Club. A good EBC will transition boost better & it cockpit adjustable with multiple settings. It sort of feels like the WG is too small and cannot control pressure unless it is opened fully. 5:1 (but some push to 12:1) on pump fuel. I have a defi boost gague and its saying that i'm running 0. The engine is a pretty much stock gen 2 3S, the only things changed on the car are the down pipe, intercooler, greddy type s bov and new piping. Off the tyop of my head, on a fresh engine rebuild (800miles) @0. Jul 26, 2004 · Can I run a ct20 on my rev2 without uprating fuelling and how much boost can I wind in, running 15psi at the mo with no probs. On my setup I've got stock 440cc injectors and factory pump but a Berk Tech IC and I run 16psi daily on 93 octane. Aug 5, 2010 · And originally the turbo bracket wasn't on the motor and apparently was the start of my problems. I own a 92 jdm mr2 turbo. May 25, 2010 · Toyota MR2 Message Board > Toyota MR2 Generations > MK 2 MR2 - SW20 > MK2 Stand-Alone EMS and Nitrous Discussion > Turbo VSV for boost control PDA View Full Version : Turbo VSV for boost control Nov 22, 2009 · ct-26 max boost? Jump to Latest 3SGTE Turbo MKI, 84-89 NA & SC MKII, 90-99 NA & Turbo 1990-1999 MR2 Parts Swapper General MR2 Discussion. whilst doing the head gasket fit a set of ARP head bolts then you should be safe running around 0. g. 5 psi of boost on a completely stock engine with 200,000 miles. That should put you around 250-270whp 1993 MR2 turbo build TBD. X. The GReddy T67 and T78 would be better choices. As of last night I am new to the board. 4bar, pump fuel Feb 1, 2006 · so this turbo is limited by its flow and drop off at higher RPM,s i was just wandering if there was a max psi boost like on the ct26 we say thats 15psi before things become impracticle. Relevant mods include; > Full exhaust with cut-out Apr 2, 2015 · So you want to watch AFR from a wide band as you turn up boost or put in a higher flowing turbo. MR2 SW20 1991 turbo makes no boost and very sluggish Hey guys I've been trying to troubleshoot this for some time, my MR2 is not making any boost it seems and it's very sluggish to respond until it hits around 4000 RPM. Sep 12, 2005 · Status Not open for further replies. Toyota built a turbo that was designated as a CT20 and it has no relation to the turbo known as a CT20b. Also note at this point the turbo is far outside it's optimal efficiency range. I probably would've maxed out at 220-230whp with a downpipe and much cooler night instead of mid-day during a FL summer. Apr 29, 2003 · Max Safe HP on the 1zz. Looking for close to stock spool. xxxboosted2xxx 37 Boosted Guest of the Club. Keep in mind that I have EVERYTHING stock except: cat-back exhaust, intake, MBC, and BOV With more mods to support higher boost (i. Obviously you would need to disconnect the stock turbo's wastegate. I would really like to go with a steel turbine, but I want to lose as little spool as possible. 8 psi for the USA 91-95 MR2 turbo (3sgte engine). Aug 6, 2008 · There is no replacement for displacement unless its a big ASS TURBO!! Cars: 1991 Mr2 Turbo sold 1992 Sentra Se-r sold 1995 Nissan 240sx SOLD 2005 Honda CBR 600rr SOLD :tear: 1991 Se-r sr20de SOLD 1991 g20 sold 1995 m3 sold new toy: 93 single turbo 6spd Supra Looking for a b13 se-r shell pm me let me know what you got Nov 17, 2005 · Sorry if I seem like I don't know what I'm doing. When I'm putting everything back together, I plan to use that bracket. A. 2nd program is for race mode and to decrease the responce setting and increase the max boost to 16psi. Save Share My stock boost gauge goes all the way to max as soon as I put the key in. $42. Replaced it with a t3/t4(not a ball bearing one). Engine mods dont pull away from a stock car's value too much. Mar 4, 2012 · In he 12 years I have been involved with CT12's/CT20's I have yet to see a metal wheel on the CT20. A turbo the size of the PE at 7 psi and a T67 at 7 psi would most likely have a dramatic peak power difference ct20 2jz supra/ aristo twin turbo high flow stage 4 The 2JZGTE Stage 4 Kit is designed to be stealth appearance yet give well over 500rwhp and being sequential, have boost and torque very early in the RPM. Accurate and concise information is difficult to find when doing a ?search?, and I hope this will assist your research, answer the frequently asked questions, and help you make an informed decision. I am interested in keeping the engine at the same bore but compressing the _____ out of it. 29 at the strip but would like to hold max boost all the way to redline. 5psi. The best method of retaining the sequential operation of the Twin turbo's of the 2jz engine and also keeping the factory appearance and Anyone know price ranges for the Ct20b and the ct27 ct27 - $850 after core ct20 - ranges but $600-$800 I have seen Also take into consideration, ct20b ceramic and sometimes break the blades, and you get them used so you don't know much about its history. They take my stock ct-26 and upgrade it with a 10 degree clip on the turbine wheel and a t04e 57 compressor wheel. Heres a little bit of the back story. I am dealing with a company named "top end performance". I dont understand you say you only see half boost my turbo truck only has a green led light. 90-99 NA & Turbo 1990-1999 MR2 Parts Swapper General Mar 4, 2004 · 500 hp from a GReddy/HKS turbo is kind of open ended don't you think? The most popular GReddy turbo for the MR2 is the TD06 and you are not going to see 500rwhp with that unit. Nov 19, 2023 · CT20b turbo rebuild or recommended turbo options? Jump to Latest 2. I was wondering if amone out there knew what max boost that the 5sfe is? Of course with proper mods to fuel pump, rail heads valves, ecu managment, etc. ct20 also came in other toyotas but isn't the same turbo. Recommended gauges options of 15-PSI for stock boost cars, 30-PSI for tuned cars and 60-PSI for higher boost. How come I can't boost over 1. Very pleased so far as I have just put down a 12. make sure before you buy one that its the ct20b not ct20. Mar 17, 2012 · At higher max boost, I would swap a bit of spool for the durability of the ct26 shaft and the option of new versus used. Jul 11, 2011 · Next thing i would get is an intercooler upgrade and then a boost gauge/boost controller and turn the boost up to 15psi for 91oct or 17psi for 93oct. If you settle for an upgraded ct26 you will not be able to keep your boost the whole way to Mar 26, 2008 · identifying a ct20 bolt on for 3sgte Hi gentlemen, was just brousing through. I checked out your website, and the 2JZ project is pretty cool. The CT20 has an internal gate in the housing. Jul 11, 2021 · Performance and Repair Garage. 81 exhaust has full boost at 4k I have also found that according to certain forum posts, Prime mr2 does a turbo upgrade like this where they also modify the exhaust side of the turbo? according to dyno charts I've seen it looks like their upgrade has the biggest increase in power but I cant find anywhere on their website where they're listed. Back plate; Piston ring bore diameter: 0,4980: 0,4984: 12,6490: 12,6590 Jul 30, 2008 · hi mate, the CT20 will bolt straight on although the lower manifold heat shield bolt wont fit nor will the lower turbo support bracket bolt but this will not affect it. What amount of power at 1 bar boost is fair? I’m wondering what the max horsepower someone’s gotten out of the AW11 mr2 and or the best engine to swap in. 00. area) with me Rev3 MR2 from japan, I do not wish to spend 60,000yen to rebuild it here if it can be done cheaper in the states! The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. CT20 2JZ SUPRA ARISTO CT26 SUPRA,MR2 TURBO, RB25 and RB2O Max boost - 22psi , "big power/boost" turbo so boost is recommended for stock-18psi max. This is the OEM gasket that sits between the exhaust manifold and turbocharger on a Gen2 or Gen3 when utilizing the stock CT26 or CT20 turbo. 9-1. I'm stuck debating whether to just do a billet wheel upgrade on my ct20 or should i suck it up and get Nov 29, 2013 · with the CT15 the max we can do is the billet CT20 wheel Imagine a ct20B pushing reliable 325-350 whp on lower boost and without the fear and worry of the ceramic Jul 22, 2004 · Also, regarding other posts in this thread, even though a turbo is in its efficiency range, at a certain boost pressure, quite often a larger turbo will still have greater efficiency and thus make more power on the same boost level. The only reason we're arguing over this is in my Dsport mag. The shop said that they could reuse the ceramic turbine, but they wouldn't warranty the turbine. Nov 19, 2008 · JDM Rev5 GT Turbo, '98 hardtop Apexi IHI RX6B turbo, Apexi Power FC, HKS 264s, lots of Phoenix Power + Apexi mods, BBS LM staggered 18s 403crank hp (343whp) at 1. ('94+) MR2 3S-GTE 2. The wastegate is set at a particluar boost level. 3SGTE Turbo MKI, 84-89 NA & SC MKII, 90-99 NA & Turbo 1990 May 7, 2009 · 91 MR2 Turbo : FERVOR Project chaos: V8 powered MR2 coming spring 05. Given that boost is in effect a measure of the amount of air NOT getting into the engine, presumably if you increase the volumetric efficiency of the engine e. I have gone as far as 24. I didn't do my homework. ct26<\=ct20b Jul 28, 2006 · A turbo can only flow so much air, same with the engine. This is why a CT20 can be really beefed up with converting to a steel wheel. just found out that a friend has got CT20B turbo fitted in his spare ST205 3SGTE engineselling for $1500 but i will offer him F$1000 if its in good condition! cant think of a ATS turbo kit just as yet as the Fiji dollar got devalued by 20% yesterday!!! ( just bought it for $350!!, has bit of shaft play, even then its a bargain price) just found out that a friend has got CT20B turbo fitted in his spare ST205 3SGTE engineselling for $1500 but i will offer him F$1000 if its in good condition! cant think of a ATS turbo kit just as yet as the Fiji dollar got devalued by 20% yesterday!!! ( just bought it for $350!!, has bit of shaft play, even then its a bargain price) Dec 17, 2007 · The Supra turbo (from 7MGTE) has a larger compressor housing, and larger compressor wheel, so this is capable of higher airflow. Performance and Repair Garage. At higher pressures when shooting for bigger numbers, it should outflow the ct21. Mar 4, 2006 · > am having trouble finding a rebuilt turbo to replace it. Your power at 235-240whp is not completely unheard of on a stock CT26, but certainly is on the quite high side. Jump to Latest 550 views 4 replies 2 participants last post by billwot Apr 15, 2005 Mar 23, 2021 · Here we rebuild a Toyota CT20B turbo on the MR2, which has identical internal parts as the CT26 (it's literally the same kit) plus I added a billet compresso FWIW I will upgrade to a good EBC When I rebuild my motor & go with a much better turbo. The best method of retaining the sequential operation of the Twin turbo's of the 2jz engine and also keeping the factory appearance and Jul 16, 2017 · the turbo will go in my mr2 and be tested in a couple months hopefully, if you guys are interested id gladly keep this post updated on how does this turbo work and how reliable it is, but overall it feels very strong, made of good materials and spins very freely with no issues. thanks Dec 9, 2005 · Alex Knight Has a CT20 hybrid running with a Apexi power FC and standard chargecooler, standard injectors but at increased rail pressure and at 1. . I have heard that I can run at 15PSI, but I didn't want to push it. 1 - 11. 3bar he got 358 BHP with injectors running about 80% duty, The turbo is good up to 1. The top-mounted threaded boost gauge allows you to easily read the pressure in the system while testing, without having to run into the driver's seat to read the boost. I like the Blitz DSBC. Welcome to the community by the way. The shop said that the turbine from a ct20 is really close to the same size. ~~~ I have a 91' MR2 Turbo. If the engine can can flow more than the turbo, you won't be able to make as much psi (but I'd also think that you'll make more power than the reverse situation). Are you having boost creep problems? Just need to replace old seals on a CT20 turbo, I hope they can do that in the states. This turbo for Toyota MR2 is specifically designed to harness the power of the 3SGTE MR2, CT26, and CT20 engines, ensuring your vehicle can maintain peak performance even under the most demanding conditions. The manifold to turbo nuts started backing out, and one fell off completely. My youtube Member of the "No BOV Club" Im used to big turbos on a dsm where full boost didnt come on until 5k+ rpm lol. If your 2nd gen setup and have factory IC as well, I'd say run 14psi. fuel pump), you can crank it up. I screwed up. Jun 24, 2011 · IMO I do miss the ct15b however I was told to not increase the boost on the ct15b past 15psi for longevity reasons whereas the ct20 is ok at higher PSI so being able to push it to 18psi and get the extra 20hp is nice. Revamp your Toyota MR2 or CT20 with the cutting-edge 3S-GTE Turbo Kit, engineered to deliver unparalleled performance and efficiency. Apr 28, 2003 · jdm MR2's. At lower boost (16psi or so) the lower price and "quicker" spool of the ct20b might give it an edge. Jan 15, 2016 · I installed the turbo, drove it at low boost for 1,000 miles before getting on it, 5psi max trying not to hit it at all, and a fresh oil change was done after install. 12-17 Dec 12, 2004 · You sure about the CT20b thing? I thought it was a CT20 that never was in a GT-Four The ST-185 absolutely does not have a BPV, doesn't matter if the MR2 uses the same turbo, it doesn't have the same intake/I/C combination, which would really determine the use of a BPV. 3SGTE Turbo Oct 11, 2009 · 1990-1999 MR2 Parts Swapper FS: CT20 Turbo blown exh turbine : CT20 Turbo blown exh turbine :(256 Views 8 Replies 5 Participants Last post by Jthai, Oct 12, Toyota MR2 Generations; MK 2 MR2 - SW20; PN-Req: CT20 turbo part number I would like the ct20 or ct20b part number for the 3rd gen motors FRANKY J. The turbo will bolt to the exhaust mani, but you will have to get a custom downpipe fabbed. And I am considering upgrading my ct-26 turbo. Jan 20, 2013 · Max boost 20v 4AGE blacktop. In fact I think every mr2 should shoot for 350-400whp as the bare minimum and max out the stock block's potential if they really wanna enjoy an MR2. Oct 8, 2005 · For the 1994 cars onwards a slightly smaller Garrett CT20 turbo is run at 13psi. e. The new turbo will be accompanied by fuel mods e85 , standalone ect. kim0663 Guest of the Club. Jan 9, 2003 · ct20=1 turbo for the 3sgte engines like mr2 celicagt-s had them the ct-12a/b=1ggte,1jzgte n 2jzgte they where used in twin turbo set ups The highest technique in life is having no technique Aug 4, 2004 · 1987 White Toyota MR2 sold 1989 Blue Toyota MR2 Supercharged sold 1991 White Toyota MR2 with Gen III 3SGTE sold 1991 Red Toyota MR2 with Gen III 3SGTE sold Feb 16, 2010 · With the gt28, td06, or gt3071 - you don't HAVE to get any other upgrades from the kit from ats, ko, etc - upgrades would be nice because it would let you run more boost and get more power - but you can run the kits on a stock car, just make sure you put the car on a dyno and find out the max boost you can run and still be safe - then you can Apr 18, 2007 · its a ct20b ive also got a 1990 jdm mr2 and in the process of installing the exact same setup as you but with a 3" dp. For now I'll base it on rwhp. The actaul engine can handle a lot more boost with an upgraded turbo and proper supporting mods. I have to sell it because i need money for school which sucks. 2002 Toyota MR2 Jan 5, 2015 · What is the max boost my 3S-GTE JDM 2nd Gen Turbo Engine limits of the gen 2 engine [Archive] - Toyota MR2 Message Board Toyota MR2 Message Board > Toyota MR2 Generations > MK 2 MR2 - SW20 > Turbo Engine Talk, Modifications, and Swaps > 3S-GTE JDM 2nd Gen Turbo Engine limits of the gen 2 engine Dec 6, 2004 · the ct20B is the turbo out of the gen3 jdm motors. I am new to this forum and new to my 1992 MR2 turbo. As long as the welding is good and the wastegate port is located in the right spot then your should be fine. Rory Posts: 2969 Location: Herts. On the outer edge of its rpm range, this turbo is capable of supporting over 300 horsepower on single turbo cars and about 600 horsepower on the twin-turbo Supra. The whole turbo including housings, CHRA, wastegate, etc need to be considered, you can rebuild a CT26 or CT20 into something more modern but at the end of the day being able to retrofit a more modern turbo is just going to be far, far more effective. Posts: 573 Joined: Mon May 12, 2008 10:28 am Stomping Ground: Auckland Prime Mover: SW20 First name: Craig Dec 6, 2021 · I have run as much as 25psi on the stock turbo. Aug 9, 2005 · The purpose of this thread is to organize information about this turbo into a guide that can be used by those considering the GT28RS for their MR2. 90-99 NA & Turbo 1990-1999 MR2 Parts Swapper General MR2 Discussion. Max boost is set to 13. Might want tocheck out any US MR2 turbo tuners as they will know what a CT20 is, while some general turbo places might only be experienced with Garret, and not Toyota turbos Apr 14, 2005 · Dianosing low boost ct20b. The workshop manuals give the standard boost pressure of the 90-93 turbos as between 8. So, that is what you will get if you set ANY boost controller to lowest setting or just turn it off. Yet it will The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. Maybe that will help. The car is a garage queen in which I don’t drive it as much but that turbo has to survive as it’s a core that I have to send back. 7K views 25 replies 14 participants last post by senna21 Jan 15, 2024 Dec 11, 2010 · CT20 and CT20b are the same turbo's (some call it a ct20 while others call a 20b They are all Ceramic blade. " Daniel :D The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. It could be welded shut and an external gate could be added exhaust prior to the turbo, but does not seem to be necessary. Aiming for a constant 18psi max but boost spikes from 12 to max very quickly and then EBC drops down to WG pressure. Either way though, Cory, if you have the stock CT20b, you have a ceramic blade Nov 28, 2006 · Some people may refer to it as a CT20, but they typically are newbies. Nov 1, 2002 · max boost depends on what mods you have I have a 1st GEN 3000GT VR-4 and have my boost set at 14. 5psi and plenty of overboost and warning levels set. Hi guys. My idea is to use a vacuum Toyota MR2 Generations; MK 2 MR2 - SW20; Turbo Engine Talk, Modifications, and Swaps; 3SGTE: ct20 or ct27; ct20 or ct27 So my ct26 is going out so i figures i iOnic Guest of the Club. 1 bar. I think there is also a CT12A, not positive. 9 bar it made 196hp/165lbft. increase in these two on the turbo alone, boost creep is now the problem, as the boost control is only done on one wastgate flap between the two turbo's. 5 and 11. Gonna change my exhaust from 51mm to 63mm. Jul 18, 2010 · The PO bought the CT20 kit from ATS which I think comes with the Tial. Top Contributors this Month View All. Jan 8, 2017 · Ok I've got a Gen 4 going into my MR2 and I wan't no less than 300whp on 91 octane (best octane we have here, we also have e85) but with super responsive spool. 99% of the time I would only boost for a few seconds at most. Jan 21, 2009 · what do you guys recomend for the ct20 should i leave the stock 440's or upgrade to 550's i have the usual bolt ons intake exhaust dp inter cooler boost con. How can I do that? Also, I am thinking of making a simple boost controller. This is often seen on DSMs with a T25. May 19, 2006 · The factory turbo is a CT20 which is considered by most to be a glorified paperweight due to reliablity issues, the life expectancy is 60,000 miles so I should be lucky it's gotten this far packing 115,000 miles. that hsould give you max boost. 8bar in first and second and 1. However, the turbine wheel dimensions in each turbocharger series are the same. 5"(no boost) Size of Hole in end of Actuator Arm: 6mm So we want a spring that at max deflection measures ~8" that way it is at max deflection when wastegate door is at max travel. Goals here are to make 350rwhp. I have a 3rd gen 3sgte and is has bolt ons but is still on the stock boost setting (always has been), it wasnt like I was boosting to 30psi. Therefore ct27>ct20b. 1) whats the maximum boost i can run on CT20B using std injectors to get around 260-270rwhp? 2) can my friends 540cc injectors off the GT4 run on my Gen2 MR2 on std ECU?? Last edited by abendean on Sat Apr 18, 2009 9:16 pm, edited 1 time in total. Posts: 933 Joined: Fri Oct 19, 2007 9:37 pm Stomping Ground: Manawatu Prime Mover: SW20 First name: Chris Oct 16, 2021 · If you aren't using an aftermarket boost controller then about 8psi is max boost for the wastegate. Actually yesterday on a 1/2 mile event we ran 148. be sure because people have been jerked into buying ct20's assuming they meant ct20b May 25, 2010 · Toyota MR2 Message Board > Toyota MR2 Generations > MK 2 MR2 - SW20 > MK2 Stand-Alone EMS and Nitrous Discussion > Turbo VSV for boost control PDA View Full Version : Turbo VSV for boost control Nov 22, 2009 · ct-26 max boost? Jump to Latest 3SGTE Turbo MKI, 84-89 NA & SC MKII, 90-99 NA & Turbo 1990-1999 MR2 Parts Swapper General MR2 Discussion. Apr 28, 2007 · Max boost will depend on fuel delivery, octane rating, and IC. the asking price is $450 if you are serius in buying it pm me and i will send pics thanks Dec 14, 2004 · I was going to do the same as the CT20 turbo wastegate couldnt expel enough when I was running 125bhp of nitrous and 18psi of boost. Goal is to get the 1st program close to stock with a little more responce so that there is less turbo lag. Exhaust, KN filter, and gutted stock cat at 16. This is at 20psi on a GT3071R turbo on E85 This boost controller was specifically designed for the CT26 CT20 CT15 turbochargers. In order to achieve 300rwhp w/ the turbo's you have mentioned (ct20b,ct27) you will have to push the turbo to it's max plus have supporting mods. Top Contributors this Month Sep 15, 2005 · What is the primary weakness that would cause damage to a stock 91 turbo at +stock boost levels, when max boosting it for more than a few seconds? Does the temperature of the turbo and/or engine get excessively high? The reason I ask is that I want to crank my boost up to 12 ~ 14psi. ~ 4000rpm is 5-6PSI. Can I use the Supra's compressor housing and compressor wheel on my MR2's exhaust housing. I just bought it --cheap, but it needs lots of work. Regards James Apr 2, 2008 · I have MR2 1993 Turbo and I'm ordering JDM engine 93 turbo and would like to put CT 20B to it. 0bar in the other gears which is too much by std specs. Well there was a "CT20" that was used on a few landcrusiers but its a totally different turbo and it had a metal blade. do you have the dig dash? well stock boost for a 22r-te is 6-9 pounds of boost and the turbo is a piece of junk CT20 that cracks blows oil seals and (leaks oil into the intake track The CT20b will hold boost right through to red line where as the CT26 starts to drop off at about 5500rpm, Max boost on a CT20b is 18-19psi but that is well outside of the efficiency range of the turbo and being over its limits it increases the chance of breaking the wheel and snapping the shaft. Mar 19, 2012 · We may earn a commission for products purchased through links on this page. Jun 8, 2017 · Im going to buying a turbo soon for my 91 mr2 w/ gen3 stock ct20 turbo. 5mm turbine shaft, and the CT20 turbocharger series contains a 10mm turbine shaft. I will be moving to USA( L. Generally accepted to stop at about 11. For 94-on cars the standard pressure was increased to13psi. the jdm ct26 says ct26 right on the side of the turbo and the ct20b just says toyota. I want it to spool and produce higher psi at lower rpm. The shaft is fatter, the compressor wheel is larger, the A/R is bigger. Posts: 1922 Joined: Thu May 04, 2006 11:44 am Stomping Ground: Auckland Prime Mover: SW20 First name: Joon iOnic Guest of the Club. Manufactured by Hitachi, the CT20 turbo has been used on a number of factory turbocharged engines, the most notable of which are the Toyota Supra, Celica and the mid-engined MR2. Yes you can, but you will have to do some modifications. 3SGTE Turbo MKI, 84-89 NA & SC MKII, 90-99 NA & Turbo 1990-1999 MR2 Sep 13, 2012 · I am getting a ct20b turbo rebuilt. They might make 16 psi till 5 or 6k RPM but then the boost starts to drop as the motor consumes a larger volume of air than the turbo can produce at that boost level. ----- my friend gavbe this off his mr2 and the turbo only has 1k on it fairly new. Hey guys, as the title says I'm disappointed with the ct20b. Other shops have installed Gen3 exhaust manifolds and CT20B turbos and or t3/t4 turbos to increase horsepower, but that gives up the amazing spool of the stock CT15. 5 psi hold to redline (7200RPM and 130MPH with 4th gear pull) * E85 fuel * AFR about 11. kqnsdw hedm nooa kbjt yoehiuj dwotfy rydzy bhgyyuf koiap exnyx