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Old 08-14-2012, 12:28 PM   #1
502fasthatch
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Differences between the tsi and fsi?

So i was talking to a buddy of mine and he has a mk5 gti with a fsi motor and he told me he had to get s3 injectors and a hpfp for him to switch over to k04. My question is on the mk6 gti with the tsi engine you dont have to upgrade those things when going ko4 right? I was also told he would prolly be around 315 hp after hes done but the mk6 has like 366hp with k04 without those upgrades so whats the big difference?
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Old 08-14-2012, 12:29 PM   #2
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There is technically no difference between an FSI and TSI engine as they are simply marketing labels that can be found on both engines.
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Old 08-14-2012, 12:33 PM   #3
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Quote:
Originally Posted by Chris@RevoTechnik View Post
There is technically no difference between an FSI and TSI engine as they are simply marketing labels that can be found on both engines.
Then why did he say it was necessary to upgrade to s3 injectors and a different fuel pump when going k04. I was looking at apr's website and noticed it said only intake, exhaust and intercooler with tune was necessary for k04 on the mk6 and why is the numbers so different?
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Old 08-14-2012, 12:35 PM   #4
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http://www.audiboost.com/showthread....SI-Info-Thread
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Old 08-14-2012, 12:35 PM   #5
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Quote:
Originally Posted by 502fasthatch View Post
So i was talking to a buddy of mine and he has a mk5 gti with a fsi motor and he told me he had to get s3 injectors and a hpfp for him to switch over to k04. My question is on the mk6 gti with the tsi engine you dont have to upgrade those things when going ko4 right? I was also told he would prolly be around 315 hp after hes done but the mk6 has like 366hp with k04 without those upgrades so whats the big difference?
The correct nomenclature is EA113 (Mk V engine until 2008.5) and EA888 MKVI engine.

You can find the differences here:

http://www.my-gti.com/1046/differenc...mark-vi-engine
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Old 08-14-2012, 12:37 PM   #6
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TSI gets HPFP. FSI does not. Never heard FSI needs injectors too but I guess so.

TSI = Chain driven
FSI = Belt driven


There's a range of different problems for the FSI (ie: cam follower). Sorry to disagree with Chris@Revo but these aren't the EXACT same motors (obviously). I've spoken to APR about the differences in detail and the TSI is viewed as the better "tuner" motor. It is also proven to be more dependable.
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Old 08-14-2012, 12:41 PM   #7
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Quote:
Originally Posted by NOLA-Ron View Post
TSI gets HPFP. FSI does not. Never heard FSI needs injectors too but I guess so.

TSI = Chain driven
FSI = Belt driven

There's a range of different problems for the FSI (ie: cam follower). Sorry to disagree with Chris@Revo but these aren't the EXACT same motors (obviously). I've spoken to APR about the differences in detail and the TSI is viewed as the better "tuner" motor. It is also proven to be more dependable.
This. not the same.
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Old 08-14-2012, 12:48 PM   #8
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Quote:
Originally Posted by NOLA-Ron View Post
TSI gets HPFP. FSI does not. Never heard FSI needs injectors too but I guess so.

TSI = Chain driven
FSI = Belt driven


There's a range of different problems for the FSI (ie: cam follower). Sorry to disagree with Chris@Revo but these aren't the EXACT same motors (obviously). I've spoken to APR about the differences in detail and the TSI is viewed as the better "tuner" motor. It is also proven to be more dependable.
Obviouslly there not because if they were the number for tsi and fsi engines would be somewhat similar but there off by like 50hp with k04. And the hpfp i thought was only necessary with stage 3 +?
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Old 08-14-2012, 12:50 PM   #9
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In defense for Chris, I think he mightve thought the OP was asking the difference between the TSI designation on the Golf R Engine cover versus the older FSI engine. Basically a modified EA113 with a TSI engine cover.

As for the EA888 vs. EA113 there are many.
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Old 08-14-2012, 12:50 PM   #10
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Quote:
Originally Posted by Chris@RevoTechnik View Post
There is technically no difference between an FSI and TSI engine as they are simply marketing labels that can be found on both engines.
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Old 08-14-2012, 12:51 PM   #11
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Quote:
Originally Posted by NOLA-Ron View Post
T Sorry to disagree with Chris@Revo but these aren't the EXACT same motors (obviously).

Timing belt or timing chain?

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Old 08-14-2012, 12:53 PM   #12
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Quote:
Originally Posted by grambles423 View Post
In defense for Chris, I think he mightve thought the OP was asking the difference between the TSI designation on the Golf R Engine cover versus the older FSI engine. Basically a modified EA113 with a TSI engine cover.

As for the EA888 vs. EA113 there are many.

No I knew what he meant, but I figured in a thread on a topic that has been beaten to death almost as much as "which chip", might as well turn it into something educational

TSI= vw forced induction direct injection
FSI = Audi normally aspirated direct injection
TFSI = Audi forced induction direct injection.
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Old 08-14-2012, 12:55 PM   #13
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Quote:
Originally Posted by Chris@RevoTechnik View Post
No I knew what he meant, but I figured in a thread on a topic that has been beaten to death almost as much as "which chip", might as well turn it into something educational

TSI= vw forced induction direct injection
FSI = Audi normally aspirated direct injection
TFSI = Audi forced induction direct injection.
Yea, I couldnt tell which direction you were going with it. I almost locked the thread with a google link, but I figured you "might" have mis read the OP.

My apologies though. Carry on
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Old 08-14-2012, 12:56 PM   #14
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The EA888 is Audi developed.
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