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    Thread: TSI VS. TFSI

    1. Member BlownWideOpen's Avatar
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      05-01-2010 05:13 PM #1
      Will a diverter valve work the same on both motors? Install wise and what not? Some people are telling me they are different but I'm wondering if this is true...
      Quote Originally Posted by AeroWagon View Post
      ermahgerd phertagrehper

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      05-01-2010 05:25 PM #2
      The newest OEM piston diverter valve will fit both the FSI and TSI engines.

    3. Member BlownWideOpen's Avatar
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      05-01-2010 06:56 PM #3
      Well the one that my friend would like to pick up is a Forge one... people were questioning the likeliness of using it on the TFSI.
      Quote Originally Posted by AeroWagon View Post
      ermahgerd phertagrehper

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      05-02-2010 05:59 AM #4
      Forge's website lists two options, up to 2007 and 2008+ (presumably FSI and TSI, although the FSI was still present in many 08 models). Try shooting them an email and ask if it will work, they're usually quick to respond.

    5. 05-02-2010 04:21 PM #5
      next time title the post better for search request

    6. Member BlownWideOpen's Avatar
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      05-04-2010 01:15 PM #6
      Anybody? My friend would like to get this DV.
      Quote Originally Posted by AeroWagon View Post
      ermahgerd phertagrehper

    7. 05-04-2010 01:22 PM #7
      If he has a tsfi he already has the d version. Don't waste $$ on the forge unit the d version is superior.

    8. Member Rob Cote's Avatar
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      05-04-2010 04:35 PM #8
      What IS the difference between the TSI and FSI...and is TFSI a misnomer?
      Quote Originally Posted by Cousin Eddie View Post
      When i'm lookin' to get er to spread 'em I usually just throw copious amounts of alcohol at the situation.

    9. Member brungold's Avatar
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      05-04-2010 04:51 PM #9
      Quote, originally posted by robs92jettv2.0 »
      What IS the difference between the TSI and FSI...and is TFSI a misnomer?

      Quote, originally posted by http://forums.fourtitude.com/zerothread?id=4042736 »

      Some major differences from the FSI to TSI include:

      - chain driven belt
      - fuel/engine management
      - components in the intake system
      - oil filter and oil dipstick relocated
      - improved PCV system (proved to be problematic in the FSI)
      - compression ratio lowered to 9.6:1
      - more balanced cam shafts in the center of the block on both sides
      - down pipe
      - fuel efficiency (debatable)
      - better emissions
      - more 02 sensors on exhaust system

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    10. Member tdotA3mike's Avatar
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      05-04-2010 04:51 PM #10
      Quote, originally posted by robs92jettv2.0 »
      What IS the difference between the TSI and FSI...and is TFSI a misnomer?

      so the FSI was the first gen direct injection engine made by vw/audi

      there are some issues with this engine like the flat tappet follower....

      the FSI is belt driven

      The TSI (TFSI in the audi world) is the 2nd gen direct injection engine,

      its completely different block and head, it uses a roller cam follower, its chain driven. etc...

      so

      FSI First Gen

      TSI/TFSI Second Gen

      2006 AUDI A3 2.0T DSG | Brilliant Black | Premium | Open sky | Dice | HPA DSG stage 2 | APR stage 1 | euro LED tails | S3 pedals | Carbonio Intake + ITG | 18" R8 reps | Defi Boost Gauge | S3 mirror caps/curved mirrors | 35% tint | 42DD Stealth Catch Can | H&R springs

    11. Member trucaliber's Avatar
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      05-04-2010 05:36 PM #11
      Engine covers makes a confusing topic even grander.

      1st gen = 2.0T FSI
      2nd gen = 2.0T TFSI

      So when someone says, "I have a 2.0TFSI" it could be either.


    12. Member Rob Cote's Avatar
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      05-04-2010 05:57 PM #12
      Sweet info guys, thanks. And the changeover was sometime mid-'08?
      Quote Originally Posted by Cousin Eddie View Post
      When i'm lookin' to get er to spread 'em I usually just throw copious amounts of alcohol at the situation.

    13. Member tdotA3mike's Avatar
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      05-04-2010 06:12 PM #13
      Quote, originally posted by robs92jettv2.0 »
      Sweet info guys, thanks. And the changeover was sometime mid-'08?

      IIRC it was the 08.5 on both the GTI's and A3's

      2006 AUDI A3 2.0T DSG | Brilliant Black | Premium | Open sky | Dice | HPA DSG stage 2 | APR stage 1 | euro LED tails | S3 pedals | Carbonio Intake + ITG | 18" R8 reps | Defi Boost Gauge | S3 mirror caps/curved mirrors | 35% tint | 42DD Stealth Catch Can | H&R springs

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