K26 turbine housing cracks

Understanding i why turbine housings crack turbo lab. Wmi doe without a doubt bring gains to the table but i dont think quite as much as the corn juice and plus no one wants to tune the unreliable injection system over here in case it fails. The source of the information below is the national highway transportation safety administration nhtsa, which maintains tsbs for vehicles sold in the united states. Also note the the k26 turbo used on the old audi 5000 turbo engine is laggy and really only makes boost from around 2,500 rpm not good for the wbx. Therefore, the isothermal and thermomechanical fatigue failure is of high relevance for such components. The point where the turbo comes in depends on a lot of things, cam, compression ratio, design of intake and exhaust manifolds, and the turbo itself. The new k26 flange turbine housing from precision is available for any turbocharger in the current cea line that is equipped with a 58mm, 62mm, or 66mm turbine wheel.

Turbo gt14 turbine wheel shaft and wheel 7685930007 buy. If its like mine and 85% of the people with a vf39 its not an issue almost all of the vf39 turbos crack between the turbine and wastegate flap. Apr 16, 2017 i have a lot of thoughts about the best choice of turbo. Members pagemarcell galpower and traction vems wiki. The centre core is slightly bigger than a normal k03 with a bigger compressor wheel. Proceedings of the 15th multidisciplinary conference on.

Heres a comparison of the various k26 turbine housings. Martin jezeen cofoundervice president 2003 kenworth w900l, c15 caterpillar with goodies 1045hp and 3470 lbft. Condition of the turbine and compressor wheels inspect for cracks and damaged blades. Another stroker project s2forum the audi s2 community.

However often the turbine housing will still crack on sharp edges in the turbine housing. Bmw 335i 11537541992 11537544638 oem water hose fitting. The vf3034 exhaust housing is a direct fit and does not have the cracking issue. Different snail shell housings change the turbine map of when and how it pushes air. This higher output was achieved by using a larger k26 8 turbine housing and revised engine mapping which allowed maintaining maximum boost until 5800 rpm. All of my turbine housings are part number 53261016365. By keeping the compressor housing on, it may protect the compressor wheel from possible damage while removing the turbine housing.

So, it will generate more boost, but it isnt as efficient. Heres a comparison of the various k26 turbinehousings. Spool up is kinda weird, i get around 4lbs at 2700 rpm, but for some strange reason, i never get more than that in the first 2 gears. Its a fairly large turbo, compressor wheel measures 76mm57. Feb 07, 2012 ok me and westy have both been though the torment of finding out we have had cracked turbos manifolds. In june 1988, car and driver tested the 944 turbo s with the advantage of shorter final drive gear and achieved a 060 mph 97 kmh time of 5. I found a deal on a t3 wagner manifold so this came out and a. Anybody have any interest in a k266 exhaust housing machined to fit a holset hx35. I would like to redone one of my kkks in fact i am in the middle of swapping a kkk 24 from a 1. This turbo consists of a porsche k26 6 turbine and exhaust housing, audi k26 center section, and a turbonetics to4e compressor wheel and housing. As i wish to still use the k26 turbine housing and centre section i need to know if the k27 comp wheel of the turbo listed above will fit the shaft of my k26. Hi guys, in preperation to start the full rebuikd on my 87 944 turbo engine, i have been going over all my wrapped up parts and decided to see what the fan turbine play was like on the turbo. Well im sure i did t feel much when i pulled it off a few years ago but maybe i was just too bus. This pic shows that there are no numbers on the rear of the turbine housing other than the symbol.

Turbine housing, k26 flanged in and out for audi 5 cylinder k24k26 direct replacement, 4 bolt outlet gt30. Coolant circulation through the turbocharger bearing housing is supported by an electric pump. Boosted falcon view topic using a j pipe to mount a turbo. Socially inappropriate motoring information, available in 1qt increments. Hes going to get the model number for me so i can check some compressor maps, but its an oem turbo from a 5. The other point that springs to mind is how high the comp wheel is.

Genuine volvo kkk k24 turbocharger viva performance. My 91 audi 80 10vt project builds and project cars forum. Individuals roosted in many different sites in bridges, but 99. Zex wet nitrous system wet 175 hp max 10 lb bottle 82034us. Jul 19, 2016 e85 is a fuel of the gods seems on average to release anything up to 20% more power than pump fuel. I put maybe 500 miles on this setup and made 320310 at the wheels on 91 and a conservative tune. Jul 11, 2010 i can get a vnt from a friend of mine for a good deal and i could run that on its own, but its big. The k24 is available in two styles, the first style features a vband connection on the compressor outlet, and was used exclusively on the 20042005 s60rv70r models. Can be easily rebuild or used for spares as the eexhaust housing no cracks and actuator are still in perfect condition.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. However, a properly built k26 will be better than a k24 which is why the rs2 is k26 based and not k24 based. With 60mm turbine exducer and small housing the best was 402, but changing that to 69mm exd. My 91 audi 80 10vt projectpage 4 builds and project cars. Uh60m mtpc written examination part ii flashcards quizlet. Kkk k24 turbo disassembly page 2 idi engine vwdiesel. Turbine housings by model k26 6 exhaust housing machined to fit a holset hx35. Dont confuse the s4 k24 design with the different ar k24 turbos audi installed on some other audi models. In the normal prs and volumetric flow the 10v20vs have, the k24 is better suited.

The rotating assembly is currently out being ballanced, and the new exhaust housing will hopefully show up soon. The t3 housing is larger in all dimensions and can flow a lot more exhaust without backing it up. I also have a kkk k24 from an audi 200e turbo, and a k26 from a merc diesel id like to try. I found this turbo in the scrap bin and managed to save the two pressure actuators and the turbinecompressor wheels. Open volute design adjustable compressor and turbine housing orientation compact design high temperature alloy turbine housing turbo comparison bv50.

We now offer brand new, genuine volvo borg warnerkkk k24 turbocharger replacement assemblies. Isothermal and thermomechanical fatigue behavior of the. The plastic fitting on this hose is a known weak spot in the coolant system as it commonly cracks and leaks. Worse, the 931s turbine housing almost always cracks, and often when it does, it damages the turbine wheel. Especially the turnon and turnoff situations of a turbine lead to the highest thermal stresses.

Start studying uh60m mtpc written examination part ii. A way to try and prevent cracking is to use a porting. Ptes newest release, a k26 flange turbine housing, is designed to give euro enthusiasts more options when selecting a turbocharger. The crack in mine is on the flange between the hot side and cold side under that v band clamp. Condition of the turbine housing inspect for cracks on the exterior and inside the inlet of the housing. Same here, i have stress cracks in my trucks turbine housing for the last 120k miles and still holding up fine. May 24, 2014 1983 audi quattro by carter may 24, 2014 may 23, 2014 audi well, hes at it again.

A total of 35,231 dayroosting bats were observed dur ing this study. Audi compressor in gauteng gumtree classifieds in gauteng. This hose runs from the coolant thermostat housing to the front of the head. Garrett turbine housings, exhaust housings, gt, gtx t3t4. However, one of the sources i contacted did some research on the k26 and came up with a turbine housing 53261006329 number being mated with the same compressor housing that comes with all of my k26 turbos. I have attempted to get an accurate measurement of diameter of the turbine exit.

Even if the turbo spins, there is a high likelihood that you have damaged turbine wheel. However, sharp edges of the turbine housing still tend to crack. If the housing has cracks then the housing needs to be replaced. Notice the outer lips rounder appearance on the evo iii turbine housing around the turbine outlet. Turbine housing, k26 flanged in and out for audi 5 cylinder k24 k26 direct replacement, 4 bolt outlet gt35. For example, in my previous om606 i raised boost, did fuel, air filter etc mods in 390hp range and gained few hp per mod, but the real benefits of mods came with the bigger turbine. Some companies have also used pure stainless steel turbine housings, which also reduces the possibility of the turbine housing cracking. This means that without major engineering and expense, your only option for the turbo is the original k26 with its unique hotside housing. If you have a crack and are worried about it, buy a burnt out vf3034 turbo for the exhaust housing. It is slightly bigger than 54mm, possibily in the 54. Kp39 shaft and wheel turbine 54399880019 54399880008.

Spray some wd40 or liquid wrench around the area where the turbine housing mates with the center section. The combination of lower inlet temperatures and watercooling to the bearing housing dramatically increased the turbocharger life expectancy over the 924 turbo and 911 turbo. One under the wastegate arm, a second parallel to the first in the seat if it keeps going the seat will crack out, and two more back by the turbine wheel exit. The following tsbs may apply to your 9999 unknown unknown. I will provide some numbers of the k26 as soon as i can get back out to my car at the workshop. New k26 flange turbine housing option competition plus. Its a little too much compressor for the small hot side but it was a blast. Fits gt35r turbos that have the 68mm turbine wheel. My guess is he got a good deal on a used big 16g and swapped the housings, putting the ebay evo iii cartridge into the big 16gs cracked turbine housing. Despite the cracks and wastegate shifting, it was still making great power. Due to the amount of damage the turbine wheel suffered, i cannot guarantee that is the true rs2. In the course of the limited material data base for multiaxial isothermal and thermomechanical fatigue and the few suitable testing. Allows the use of stock audi manifold and stock downpipe flanges.

I know that a jpipe mounted turbo would have to be about the cheapest way to get a turbo kit done. Aug 16, 2005 jake nice work again well documentedas always. This housing has had a good life, 150k rocking miles. Also the holes had been slotted to fit a t3 flange. Anybody have any interest in a k26 6 exhaust housing machined to fit a holset hx35. The 951 cylinder head received several modifications as well. Kp39 shaft and wheel turbine 54399880019 54399880008 038253010b turbo rotor assembly, find complete details about kp39 shaft and wheel turbine 54399880019 54399880008 038253010b turbo rotor assembly,kp39,turbo rotor assembly,shaft and wheel turbine wheel from other auto engine parts supplier or manufacturerwuxi jsj auto parts co. I have at the shelf a k2426 hybrid turbo, billet compressor wheel. Hes now running a mhi big 16g in a knockoff ebay evo iiis turbine housing. When installing a new turbocharger we recommend to read our installation guide.