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Old 09-24-2012, 09:00 PM   #421
the bruce
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Quote:
Originally Posted by Arin@APR View Post
Lets not forget SEAT sport races factory BHZ motors at over 300 HP on the stock internals. VW Motorsport in germany does the same with the Sciroccos. The only internal upgraded part they use is an APR HPFP if you count that as an internal part.

You forgot to say the BHZ is the K04 EA113 Audi S3 engine and no EA888.
VW would not have been that stupid to run races with the first gen EA888.

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Old 09-25-2012, 01:10 AM   #422
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WTF!?! Why was this even brought up from the dead again?! Thanks for forcing me to waste my time over this crap!
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Old 09-25-2012, 01:42 AM   #423
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This thread is a joke. Car manufacturers are all about politics. If the lower entry model has as much power as the higher models no one will buy the latter. I work for a tuning company and we have inside sources who are engineers in VW and BMW and they give us info on how much load the pistons, rods, bearings, and block can handle and I can tell you that its definitely not being pushed even closed to its limit until you reach K04 power levels. Don't worry yourselves. Mk4 Mk5 and Mk6 guys have been running fine for all these years. Emissions are also a factor that play a role in how conservative the stock tune is from the factory. Also the cars are designed to be reliable through the toughest conditions. They must be able to survive owners who don't change their oil as often and people who don't check their air filters or other regularly scheduled maintenance as often. A properly maintained and well taken care of car will last a long time even if tuned.
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Old 09-25-2012, 04:18 AM   #424
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Quote:
Originally Posted by harddrivin1le View Post
http://en.wikipedia.org/wiki/List_of...TFSI_125-210kW

"The 169 kW (227 HP) and higher versions have stronger pistons and gudgeon pins, new rings, reinforced connecting rods, new bearings, reinforced cylinder block at the main bearing pedestals and cap, new lightweight aluminium-silicon alloy cylinder head...NOT shared with the lower output variants."

For example, the 2011 Audi TTS uses a 2.0T engine, which is rated at 265 HP.

That engine therefore includes a host of internal strength enhancing upgrades (including a different cylinder block) that the GTIs lack.

Audi does that in order to increase engine life and reliability under the higher boost pressures (17.4 PSIG) that are associated with that engine.

VW/Audi engineers clearly feel that something on the order of 225 HP is about the maximum limit for the GTI's engine when long term reliability is considered.

Boosting your GTI to anything much beyond that level will result in significantly reduced engine life and a significantly higher likelihood of engine failure (in the form of bent bent rods, burnt bearings, etc.)

Even something as "mild" as an APR Stage 1 is going to adversely impact engine life and reliability over time. Anyone who does a Stage 2 or 3 level mod and drives the car hard will likely be looking at some very real (and very expensive) problems by the 50,000 mile mark.

Our engines are designed with the stock power levels (220 HP or so) in mind and apparently don't have a whole lot of room to spare.

More information:

http://www.caranddriver.com/reviews/...take_road_test

"The engine is an upgraded version of the well-traveled VW/Audi turbocharged, intercooled, and direct-injected 2.0-liter four. In basic TT tune, fed by an IHI turbo delivering 13.1 psi of max boost, it generates 200 horsepower and 207 pound-feet of torque. Enhanced by a beefier block, an aluminum-silicon alloy head, and a heftier crank —and nourished by a bigger BorgWarner turbo blowing 17.4 psi max—this engine churns out 265 horsepower and 258 pound-feet from 2500 to 5000 rpm. "
The older EA113 engine is used in the R and TT S because it was pre-existing and VAG had not yet engineered the EA888 for the application. The EA113 is used to save money not because it is a stronger blocker. Also, rods do not become an issue on the EA888 until around 400hp. The block has shown no reliability issues of any kind.
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Old 09-25-2012, 04:54 AM   #425
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Quote:
Originally Posted by DarkCloak View Post
The older EA113 engine is used in the R and TT S because it was pre-existing and VAG had not yet engineered the EA888 for the application. The EA113 is used to save money not because it is a stronger blocker. Also, rods do not become an issue on the EA888 until around 400hp. The block has shown no reliability issues of any kind.
glad I have a habit of reading the latest post first. reading the initial page would have given me a scare.
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Old 09-25-2012, 05:42 AM   #426
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This thread is creepy. Close it.
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