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Old 08-14-2012, 01:01 PM   #15
502fasthatch
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I guess you guys arent getting what my question is and no one has anwsered my question yet. Why does the tsi create more power then the fsi when adding a k04? I wasnt aware that they were that different thats why i was asking but still im confused as why a mk5 owner has to replace fp/ijectors to install a k04 when we dont have to do this .
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Old 08-14-2012, 01:02 PM   #16
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Sorry for the confusion guys just confused haha.
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Old 08-14-2012, 01:03 PM   #17
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Quote:
Originally Posted by 502fasthatch View Post
I guess you guys arent getting what my question is and no one has anwsered my question yet. Why does the tsi create more power then the fsi when adding a k04? I wasnt aware that they were that different thats why i was asking but still im confused as why a mk5 owner has to replace fp/ijectors to install a k04 when we dont have to do this .
Yes the TSI(EA888) will make more power than the FSI(EA113) with the k04.

/end thread
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Old 08-14-2012, 01:05 PM   #18
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obviously because racecar
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Old 08-14-2012, 01:06 PM   #19
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Yes the TSI(EA888) will make more power than the FSI(EA113) with the k04.

/end thread
Ok your stating things i already know bud. Why what is the big major difference thats causing the power to be more then the fsi?
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Old 08-14-2012, 01:06 PM   #20
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obviously because racecar
Damn! You beat me!!!
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Old 08-14-2012, 01:09 PM   #21
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Ok your stating things i already know bud. Why what is the big major difference thats causing the power to be more then the fsi?
Why don't you read any of the links that were provided for you? The answers are all there.

Better Fuel Delivery system, less parasitic losses etc etc
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Old 08-14-2012, 01:13 PM   #22
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Timing belt or timing chain?

I'm no expert, but I'm guessing belt here? Negating the engine cover designation, this looks like the FSI to me. I'm no expert on the FSI (nor TSI for that matter), but my 2 friends that have the FSI, their engines look like this.

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Originally Posted by 502fasthatch View Post
I guess you guys arent getting what my question is and no one has anwsered my question yet. Why does the tsi create more power then the fsi when adding a k04? I wasnt aware that they were that different thats why i was asking but still im confused as why a mk5 owner has to replace fp/ijectors to install a k04 when we dont have to do this .
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Ok your stating things i already know bud. Why what is the big major difference thats causing the power to be more then the fsi?
Looking at the exact differences posted from the links, I would guess fuel system and compression differences.

But yes, TSI does make more power. Now, I'm not sure if that's a difference at the CRANK or at the WHEELS. If it's measure to make more power at the wheels then you have to factor in the loss of power from the AWD system versus FWD - more loss of power to wheels in AWD configuration. But, I'm pretty sure crank vs crank the TSI still makes more power. Now cue the "ZOMG 100 MORE HP ON FWD ISN'T FASTER THAN 100 LESS ON AWD RAHHHHH". LOL

The TSI is also a newer motor compared to the aging FSI.

EDIT: Here you go.... (from the link posted above)
Originally Posted by Arin@APR

The FSI head does not flow as well as the TSI.
The FSI is more susceptible to knock than the TSI.
The FSI does not have as good of a fueling system as the TSI.
The FSI has more internal losses compared to the TSI.

The TSI is just better so it makes more power. We should expect that form a completely new engine from VW. That's how progress works. That's all.
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Old 08-14-2012, 01:18 PM   #23
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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.
Normally aspirated? Guess my mkv doesn't have a turbo
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Old 08-14-2012, 01:21 PM   #24
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Normally aspirated? Guess my mkv doesn't have a turbo
You have a TFSI on your MKV, even though the engine cover says differently.
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Old 08-14-2012, 01:30 PM   #25
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You have a TFSI on your MKV, even though the engine cover says differently.
So this is the marketing BS Chris@Revo is talking about?

I heard this before.... so then when we (forum) say FSI, it really is TSFI.. but when Audi/VW said FSI, it really means FSI (non turbo)... and when they refer to MK5 and Golf R US models they mean TFSI?

So in short...
MK6 GTI = TSI (Engine says TSI)
MK6 US Golf R = TFSI but we call it FSI (Engine says TSI)
MK5 GTI = TFSI but we call it FSI (Engine says TSI)

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Old 08-14-2012, 01:31 PM   #26
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Originally Posted by NOLA-Ron View Post
So this is the marketing BS Chris@Revo is talking about?

I heard this before.... so then when we (forum) say FSI, it really is TSFI.. but when Audi/VW said FSI, it really means FSI (non turbo)... and when they refer to MK5 and Golf R US models they mean TFSI?

So in short...
MK6 GTI = TSI (Engine says TSI)
MK6 US Golf R = TFSI but we call it FSI (Engine says TSI)
MK5 GTI = TFSI but we call it FSI (Engine says FSI)
MK5 GTI 2008.5+= (Engine says TSI)
Almost got it
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Old 08-14-2012, 01:33 PM   #27
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Quote:
Originally Posted by NOLA-Ron View Post
So this is the marketing BS Chris@Revo is talking about?

I heard this before.... so then when we (forum) say FSI, it really is TSFI.. but when Audi/VW said FSI, it really means FSI (non turbo)... and when they refer to MK5 and Golf R US models they mean TFSI?

So in short...
MK6 GTI = TSI (Engine says TSI)
MK6 US Golf R = TFSI but we call it TFSI (People call it an FSI because it's the same TFSI out of the MKV, but with minor upgrades and bolstering, and because the MKV's cover said FSI. That's where the mistake comes from) (Engine says TSI)
MK5 GTI = TFSI but we call it FSI (Engine says FSI)

ftfy

That's a Golf R engine bay pictured. My MKV GTI had FSI on the engine cover.
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Old 08-14-2012, 02:07 PM   #28
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Mk5 cover said FSI turbo actually.

Prior to 08 VW and Audi used the same names, my mistake I did leave that part out.

Current nomenclature is as I listed with TSI and FSI having no bearing on what physical engine lays under it. One is used by VW one is used by Audi and that is the only difference.


As for the difference between the two physical engines and why they may respond differently to a k04 there are no simple answers but the quoted information above from Arin about knock control, head flow, etc all play a part.
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