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Today we will be taking an indepth look at the VW EA888 engine, which is the engine found under the hood of the golf R aswell as in some Audi S3 models. Now as im sure you have seen these cars are quick. Go to any street to strip event, and you will be sure to see a few of these taking down big m3’s, v8 mercs and even some supercars. But how to you get your Golf R or even your S3 to this stage. Well in this video we will go thru all the steps and stages of building your EA888 4 cylinder into a street going monster feared by all.
So lets start by going into the engine itself and what it is capable of in its stock form. So Volkswagen's EA888 2.0T engine, specifically the third evolution known as Gen 3 TSI, has gained immense popularity in the VW tuning scene since its introduction in 2007. With its easy tunability and a wide range of aftermarket parts available, the EA888 engine has become a favorite among enthusiasts seeking to extract maximum performance. Now these engines can produce anything from 170HP in normal TSi configs all the way up to 315HP in newer R models.
Now there is a reason why the Gen 3 is such a great option for tuning, and it all start with the base engine. You see VW build a really good motor here. Now this engine features a new cast iron cylinder block with thinner walls, now the thinner walls make it lighter, does make it a bit weaker but an iron block is still stronger an aluminium unit. The motor features a DOHC aluminum head with a fancy water cooled exhaust manifold, and variable valve timing on both cams. Some versions of the motor also feuture dual injection with a set of injectors feeding fuel straight into the combustion chamber, whilst a second set is mounted in the intake. This make it possible to have more fuel, more power and it lowers carbon build up in the engine. Then For high-performance applications, specific engine versions (such as CJX) receive further enhancements. These include a modified cylinder head shape, a performance intake camshaft, larger exhaust valves, and a reduced compression ratio (9.3:1) which means that you can feed this engine substantial amounts of boost, this specific version also has upgraded pistons, more efficient injectors, and a high-pressure fuel pump.
Now that we know the base motor lets talk upgrades.
Lets start simple. Stage 1 which is basically just a tune. Now with just a tune you can see advancements in power of Up to 90bhp. Additionally, upgrading the Transmission Control Unit (TCU) tune for DSG-equipped cars improves gear changes and launch control. Cold air intakes, cat deletes, and inlet pipes can also be added at this stage to lay the foundation for future modifications.
So at this stage you should be close to 400Hp
But I know you want more, so Stage 2 – which can give you gains of Up to 115hp in (GTI) models and 150hp (R) models. Stage 2 tuning involves both software upgrades and the addition of supporting hardware. Along with Stage 2 software, a high-pressure fuel pump (HPFP) upgrade is typically required to deliver sufficient fuel to the engine. Uprated intercoolers, downpipes, and highflow catalytic converters or cat deletes are essential hardware upgrades for this stage. Then for a little extra Hybrid turbochargers can also be considered, providing significant power gains while retaining the stock location. With the right fuel, a good hybrid turbo and all the mods listed your EA888 unit can produce 480+ HP.
But to get over the 500HP mark you will need to quite a bit more work. And have some deeper pockets. So Stage 3 - now stage 3 should see figures of between 500-600hp and could even be more depending on hardware used and size of turbo. But if you slap a mother of a turbo on her you will lose down low responsiveness so this is where you need to choose between massive power or a more usable powerband. Now the stock internals in this motor is good for around 500-550HP, I have seen people pushing it higher, but at that stage you are asking for a piston to say good bye. So Uprated internals, including connecting rods, pistons, valves, and valve springs, become necessary to handle the increased power levels. Custom work and machining may be required, and costs rise considerably at this stage. But with a nice and big turbo and a built motor you could make a reliable 600HP easily.

#GolfR #S3 #modify #tuning