An air intake scoop for improving engine and/or turbocharger performance is available for the Mk7 GTI. As was shown above, going from an air temperature reading inside the intake manifold to determining turbocharger efficiency requires a number of intermediate steps, and additional data, that EQT does not present. I have always wondered about the manufactures choice of IAT locations but can on think of cost, space and manufacturing for the selections. I extended the IAT cable and moved the IAT to the plastic intake pipe about 8 away so it would actually read the air temp and not the water temp. Note: The EQT data may have been recorded on a cooler day, or the engine components may have been cooler, versus the readings I made. If you plan on keeping your GTI beyond 80,000 miles, moving to a 5,000-mile oil service interval is the single most important thing you can do to keep your GTI running strong and without issue. I hear no compressor surge. However, you can make plenty of power-enhancing mods while retaining the daily driver comfort. Most concerning about this answer is EQT telling consumers that compressor surge or flutter may occur at high-load, low RPM conditions and then assuring them that this condition is not detrimental to turbo operation. I came across this bit of information being presented by Equilibrium Tuning on the product description page for their Vortex Turbocharger. The goal is to have a comparison of the shapes of the curves since this is what EQT is pointing out in their product description. Other accessories like a compressor and air tank are needed. I love reading your research its super informative! Modded Euros 2010 Volkswagen CC Vinyl Wrap Project, Unitronic Turbo-Back Exhaust made for the MK7 GTI fits 2015-2017 models, South Bend Stage 3 Endurance Clutch Kit with Flywheel for the MK7 GTI and Golf R, GFB DV+ Diverter Valve fits most 2.0T FSI and TSI, Neuspeed 6-Piston 340mm Big Brake Kit for the 2015+ S3, 2016+ TTS, and the MK7 Golf R and GTI, ADV1 Wheels: Rolling Out Performance Wheels, Enhancing Performance: Turbochargers in Audi, BMW, and Volkswagen Vehicles, BMW N54 vs N55 Engines: A Comprehensive Comparison, Understanding Automotive Wheel Offset and the Role of Spacers, What is a Brake Master Cylinder and How to Tell if its Failing, Understanding Oxygen Sensors in your Euro: How to Identify Failing Ones. The 2015-2018 Volkswagen MK7 GTI is a sporty hatch. I am however UM tuned, on each. This means that your factory intercooler cannot cool the incoming air fast enough, which results in hot air being pushed into the motor, Hot air is less dense which = less power. A flashing check engine light under hard acceleration is indicative of a number of possible ignition or fueling issues, and the car should be stopped immediately. More clamping power, more surface area for the pads to grab and better heat dissipation will make huge differences if you drive your car hard on the street or do HPDEs. Gotcha, I also think there's an update, I'm doing some more mods Saturday and tuning changes (adding intercooler and dp) so I will chime back in. Ill address this subject again in the conclusions. Sorry not a golf gti but a polo gti 2019 (almost same 2.0 engine), Recently had a stage 2 map and all the accompanying mods (intake, intercooler, exhaust etc). Additional. A check engine light with EPC light resulting in a lowered power mode (aka Limp Mode) could indicate an over-boost, fueling, or ignition issue. Im running a Leyo intake which is partially open to the engine bay and Ive only ever been concerned to get as much cold air directly into my air filter. seems like it barely gets any air into the intake side and the only way to get more air is to either block of the passenger side and reroute all the air over to the intake or keep both open so the engine bay can get some wind to cool down from heat soak(im guessing) and the intake can get some too. Note: Regardless of whether the surge occurs during on-throttle or off-throttle operation it is surge. Check around the passenger side front of the engine, just below the intake manifold/dipstick, There should be no check engine or EPC lights on the dash, or any other warning lights. Im concerned because I might be driving across country and the heat soak is sometimes happening even at idle. Chad Shuenk Turbos is an offshoot of FrankenTurbo. I know UM has a few versions depending how aggressive ya want to go, think I'm running their most aggressive versions was told 29psi. This page will serve as a central location for information, and links to external information, related to the air scoop for the Mk7 GTI. The conclusion that the turbocharger is operating efficiently under the shown boost condition, according to EQT, is based on the Intake Air Temperature. From the TuneZilla graph, you can see that at around 3K RPM there is a dip and then a rise in engine torque. This is the purple line that is increasing with time. I've still never noticed anything like your vid on either of mine. interesting, and im still learning. Turbo Outlet Pipe: replaces the stock pancake pipe allowing for a 4-5 HP gain. I think I have a similar problem on my Audi with Revo STG1 tune and stock IS20. What is odd about the statement EQT has made about their Vortex turbocharger is that they are concluding how the turbocharger is affecting the compressor outlet air temperature, the purple line, by only using the information contained in the red line. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); FCP Euro's Event Director by day, writer and contributor by night, and wanna-be race car driver on the weekends. It is commonly an issue with the tune. Looks relatively clean / recently serviced? The property can be related to the air temperatures entering and exiting the compressor, although for the ideal case the exit temperature must be calculated since the ideal case will never exist in the real world. This is my first turbod car and im pretty clueless, Scan this QR code to download the app now. One wonders how any air could get in at all. They do this by increasing the diameter and flow of the piping allowing for more air to enter the turbo. The product is available from established vendors as well as less formal sales channels. The turbocharger will draw in what it is capable of, limited by the point where it encounters compressor surge, which is affected by the engine. I suspect VCDS does not sample fast enough to show the pressure fluctuations. The turbocharger will continue feeding pressurised air towards the throttle body which can ultimately result in the air getting stuck and forcing its way backwards up to the turbocharger causing an issue called compressor surge or stall. The initial noticeable difference is more responsiveness on throttle and the car pulls harder than it did with the original diverter valve on. The condition of surge was investigated to determine its effects on the axial forces. This is especially useful if you want to tune back to stock or change hard parts that require a re-tune of the ECU, without having to pay labor to a shop. Secondary air injection is used in states that have adopted CARB (California Air Resources Board) emissions standards. There is a good bit of open space under the hood and above the grill, enough for air to fit through. VW GTI Mk7.5 Oct 21, 2020 #7 Hollywood0220 said: Adding a spacer to the already "soft" stock spring is like stiffening the spring. A Turbo back by itself will give your car more power and a much louder sound, typically most cars need a computer tune as well to gain the most out of the exhaust. Determine if the air scoop performs as advertised. I suspect the temperature reading from the IAT sensor is being effected by the location of the sensor inside the manifold. Im Jeff, owner of a VW GTI. Bottom line, determining the compressor efficiency takes some effort. Check spark plugs at 40,000 miles, then every 20,000 until replaced, replace as needed. Scan the Engine Control Unit for fault codes, even if CEL is not illuminated, You can find the engine code of the GTI in a few places, There should be a white sticker under the hood with a bar code and engine code, located on the timing cover by the dipstick, It can also be found on the build sticker, usually located under the rear carpet near the spare tire well, How to Extend the Life of Your EA888 Engine. The ability to unlock additional horsepower with a performance engine tune without any other changes from stock is remarkably easy, cost-effective, and with proper care and maintenance, very reliable. The kit contains everything you need to upgrade the plastic components to metal components, some revised springs and extended bolts since the overall length of the diverter valve increases. Compressor surge full throttle example 34,517 views Jan 21, 2016 120 Dislike Share Save PhoB J 442 subscribers Real compressor surge at acceleration example. Shuenk IS38+ Turbocharger Sounds similar. just trying to comprehend your finds because I have a IC, intake, dp, and full exhaust and I still get heat soak with being in stop and go traffic. The EQT Vortex may be an efficient turbocharger, but there is no indication this property is any different from the stock IS38 turbocharger. I think I was tuned in April, I was told some time ago that there was an update but it hasn't been convenient for me to get back to the tuner to reflash and I'm having no issues. This was done on the road in 4th gear (2015 Golf R DSG) on E30. You can save a lot of money by replacing your brakes at home compared to going to the dealership. Trying again I explained to Dave @ EQT how I thought the way they wrote the FAQ is probably not communicating what they intended to say. The latest Golf GTI is powered by a turbocharged 2.0-liter four-cylinder engine that produces 242 hp (180 kW / 245 PS) and 273 lb-ft (370 Nm) of torque. Immediately stop the car and shut off the engine. This solved the heat soak issue completely. Mostly I find that when I am running my OBDII I see that the air intake temp is around 20-32c in atmospheric temperatures of 15-20c and then when caught in motorway stop start traffic that can be in the 40-50c range until the car is moving again when it drops quickly. Coilovers: Are exactly what they sound like, Coil springs and shocks in one package. Various stages of tuning give you various levels of power. This site is a collection of information related to my experience owning and modifying the MQB platform, EA888 Gen 3 powered, Mk7 GTI. Directions to the Scales Industrial Connecticut Location. So some of that boost is coming back into the compressor. The engine should accelerate smoothly without any lumps or uneven power delivery. They have a lowering range of 1.4 inches to 2.5 inches in the front and 1.4 inches to 2.75 inches in the rear. The angled part sells for between $55-$70. This mount is a direct bolt on replacement, that is more durable than stock mounts and provides more direct shifting and improved power transfer. Engine air filter checked every year, replaced as needed depending on condition and mileage. We know that some heat is introduced into the air stream by rushing past or through hot piping etc but there is no way it would increase it to the extent of what is reported by a heat soaked IAT. It is worth noting that because of the sensitive nature of ECU tuning and potentially expensive problems that could arise with unsafe ECU tuning, always do plenty of research before going with a small tuner without the research and development of the larger and more established companies like Unitronic, APR, and United Motorsport. Begin by removing the intake hoses and the intake elbow. $1,200. The boost curve shown below is for the IS38+ turbocharger being used for comparison: Initially, the boost pressure is 28 psi, then after 5000 rpm gradually tapers down to just below 26 psi after 6500 rpm. We entertain beauty shots and thrive on discussing mods, whether purely cosmetic, functional, or both. synthetic oil service with high-quality oil and filter regularly, Replacing the smaller IS20 GTI turbocharger with the larger IS38 turbocharger from the Mk7 Golf R, Oil service with an approved synthetic oil and high-quality oil filter every 5,000 miles, The Definitive Guide To Mk6 Volkswagen Jetta GLI Brakes, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Mk6 Jetta GLI vs Mk7 GTI: Top 5 Reasons To Choose The GLI Over The GTI, 4 Used German Cars That Sell For More Than They Should, Standing Alone: The VW Golf A59 Prototype, DIY Versus Dealership: How Much You Can Save On A VW GTI Brake Job. 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