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    Thread: 1.8T max hp on stock internals?

    1. Awaiting Email Confirmation Racer16's Avatar
      Join Date
      Aug 21st, 2002
      2000 audi s4,2001 a4,1999 a4,2002 gti,86 gti,85 scirocco,91 corrado,91 jetta gli,2000 passat
      04-24-2005 03:48 PM #1
      Hey guys i bought a motor for a swap into one of my cars.the motor is out of a 199 audi a4 aeb engine code with aeb head.Im planning on ditching the stock turbo.but i am curious what kind of power can the stock engine internals take and the block?anyone know?please if you have any info let me know.Also what kind of transmission would you guys recommend?

    2. Member
      Join Date
      Feb 23rd, 2005
      Fort Worth, Texas
      04-24-2005 04:52 PM #2
      Suppossedly a guy down here in Puerto Rico was able to get 448whp out of a TT225 1.8T before the connecting rod decided to leave the block. I don't know how true this is though.
      MK5 R32 - Custom Turbo Setup - 6766 - Lots and lots of mods - Built Engine - never ending work in progress.

    3. 04-25-2005 12:03 AM #3
      The word in the "tex is the stock internals in the VW spec 1.8t (AWW, AWD, AWP) will safely hold 350hp..... granted its tuned properly. I hear the Audi spec 1.8Ts hold more (the 225hp motor).

    4. Former Advertiser
      Join Date
      Mar 31st, 2005
      04-25-2005 12:51 AM #4
      yea i have heard 350whp is a good number...and the 225's come w/ stronger rods then aww awd and awp's...

    5. 04-25-2005 02:12 AM #5
      with stronger rods, you could push more boost right?
      like i have a gt28r kit sitting at home and lets say i run 23psi on it.. if i had stronger rods i could let the turbo run wild and push closer to 30 with out fear of having the rods buck?

    6. 04-25-2005 02:47 AM #6
      Quote, originally posted by Sid-Rage »
      ike i have a gt28r kit sitting at home and lets say i run 23psi on it.. if i had stronger rods i could let the turbo run wild and push closer to 30 with out fear of having the rods buck?

      30 PSI on a GT28R? Even with race gas I'd suspect your risk of detonation is pretty high, but then what do I know.

    7. 04-25-2005 04:58 AM #7
      max power from stock bottom end is 490wheel.

    8. 04-25-2005 05:08 AM #8
      I don't know why so many of you are talking about the TT 225 1.8T when he specificly said that it's a AEB 1.8T...
      The rods in the AEB are actually slightly stronger than the AWW and AWPs, but I still wouldn't recommend going over 350whp if you want to keep a fair amount of reliability.
      The 490whp is [IMG]http://*****************.com/smile/emthup.gif[/IMG]. Stock bottom end with standalone, but it still blew a hole in the block after just a short while. Good thing it lasted long enough to have a MKII run 10s though You da man billy.

    9. 04-25-2005 05:22 AM #9
      I'm getting a finished map this week on my GT28R which is closer to a GT28RS what are poeple running on there GT28RS's on stock internals. I was thinking 22psi spike and 20 psi constant.

    10. 04-25-2005 10:24 AM #10
      the 225 has 20mm wristpins the 180hp code awp etc has 19mm wristpins so they are different. we have come to the conclusion that anything over 350 whp can be harmfull to stock rods. how much stronger are the TT 225 internals? any body chime in?

    11. 04-25-2005 11:58 AM #11
      Quote, originally posted by CEL-4-LIFE »
      max power from stock bottom end is 490wheel.

      Modified by silver2point01 at 12:01 PM 4-25-2005

    12. Member
      Join Date
      Feb 22nd, 1999
      2008 Cayman S, 2000 Boxster Race Car, 2014 Q7
      04-25-2005 12:30 PM #12
      I'm going from memory here - but I the rods in the 225 1.8T are not any stronger - they beefed up the bottom end bearings and hardware though. The wrist pins are bigger - but so were the early 1.8T's as well. Pistons are different and forged and their are oil squirters in the block and the block is reinforced as well.
      As was stated earlier - the AEB is not the 225hp engine - it is in fact the 150hp 1.8T engine.

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