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Thread: Whats the most power you can get from the 1.8t

  1. #1
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    Whats the most power you can get from the 1.8t

    Hey guys been doing a bit of searching on the net for performance upgrades for the 1.8T and it got me thinking what is the HP/KW limit at the engine for these engines??
    From what i have seen there doesn't seem to be many over 250hp on a stock bottom end would this be about the reliable limit for the 1.8?

    Will a K04 upgrade get you to those figures with all the other mods (cooler/intake/exhaust etc) or would it nessecitate in something like a Garrett GT28R?

    Cheers Nick
    2001 S4 Matte Charcoal metallic | M6 | MTM tuned | Zinram 3.5inch catback | SRM SMIC's | ST Coilovers | Work Meister S13p's

    2002 Bora 4Mo Indigo Blue Pearl | FK Coils | Air box swisscheesing | Audi B5 S4 Wheels

  2. #2
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    Vortex is your friend...

    Look at other people's set ups on there...

    http://forums.vwvortex.com/zeroforum?id=27

  3. #3
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    I'm fairly sure Guy's TT has almost 400hp at the flywheel.

  4. #4
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    300hp/300lbs is the usual limit on standard rods. 6-700 with a big enough turbo and a well specified engine build.

    The main reason for stopping at 250 is the sudden rise in cost when you have to replace the turbo with something bigger.

    Gavin

  5. #5
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    Nick, how do you intend to use your Polo GTI once you get it? Will it be just a street car, street car/occassional track use, occasional street/serious track use, 1/4 mile drag, race car ???

    That's the best way of determining how to set it up - a serious increase in power needs to be balanced against the car's capacity to cope with it, ie handling, brakes, traction, clutch, diff etc etc.

  6. #6
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    Thread Starter
    Quote Originally Posted by GT3 View Post
    Nick, how do you intend to use your Polo GTI once you get it? Will it be just a street car, street car/occassional track use, occasional street/serious track use, 1/4 mile drag, race car ???

    That's the best way of determining how to set it up - a serious increase in power needs to be balanced against the car's capacity to cope with it, ie handling, brakes, traction, clutch, diff etc etc.
    Yeah i dont want stupid power out of it i was just curious as to the limits of the stock bottom end in the 20v 1.8T.
    Mines going to mainly be a daily driver with the occasional track and 1/4 run, i do however want it in the 13's
    Initially i'll probably be looking at coil overs (or a decent spring shock combo),18's and bigger brakes and maybe swaybars along with a chip/intake/filter then will throw a few more performance mods at it as money allows.
    2001 S4 Matte Charcoal metallic | M6 | MTM tuned | Zinram 3.5inch catback | SRM SMIC's | ST Coilovers | Work Meister S13p's

    2002 Bora 4Mo Indigo Blue Pearl | FK Coils | Air box swisscheesing | Audi B5 S4 Wheels

  7. #7
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    Quote Originally Posted by BLN355 View Post
    Yeah i dont want stupid power out of it i was just curious as to the limits of the stock bottom end in the 20v 1.8T.
    Mines going to mainly be a daily driver with the occasional track and 1/4 run, i do however want it in the 13's
    Initially i'll probably be looking at coil overs (or a decent spring shock combo),18's and bigger brakes and maybe swaybars along with a chip/intake/filter then will throw a few more performance mods at it as money allows.
    Well considering just chipping it will get it down to low 14s, 13s can't be too far off.

  8. #8
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    Reckon that if you did what Neil did (APR chip, exhaust, BMC CDA) you should be able to push the 13 second marker.

    I'm not very certain but isnt there meant to be a separate APR tune for the KA04 turbo. However, I dont think it's necessary as you'll probably end up breaking bits and pieces if you're not careful.
    GTI|BBS|Forge|Whiteline|Custom CAI+K&N|Sparco|Toyo|Martini|JVC|Focal|ScanGaugeII

  9. #9
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    Quote Originally Posted by Celestine View Post
    Reckon that if you did what Neil did (APR chip, exhaust, BMC CDA) you should be able to push the 13 second marker.

    I'm not very certain but isnt there meant to be a separate APR tune for the KA04 turbo. However, I dont think it's necessary as you'll probably end up breaking bits and pieces if you're not careful.
    There is an updated tune for the K04, it is free if you have the APR tune and upgrade to K04 through an APR dealer, otherwise it's an extra $700.

  10. #10
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    The KO3S will deliver a reliable 145 kw atw, although traction will be a problem - an LSD will aid traction in corners, but not off the line. With more aggressive tuning and higher octane fuel, hitting 155-160 atw is possible. As you go bigger in turbos, power is then directed more toward the higher end, eg KO4 mid-range, Garrett GT28R high-end. This obviously results in more lag - something that may or may not suit you.

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