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Thread: 2.0 TDI - how much boost ?

  1. #1
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    2.0 TDI - how much boost ?

    Hi All

    As the title suggests I'm wondering how much boost these current 2.0 engines are running - does anyone know ?

  2. #2
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    ditto for the 1.9TDi aswell
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  3. #3
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    Thread Starter
    From what I can gather the 2.0's run at 18 psi - quite a lot however that makes sense given the performance of the things even in standard trim.

  4. #4
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    Quote Originally Posted by TDI DSG
    From what I can gather the 2.0's run at 18 psi - quite a lot however that makes sense given the performance of the things even in standard trim.
    18PSI are you seriuos!!!! that doesnt give you much room to play with, gotta wack on a bigger turbo and injectors for some gains in performance?
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  5. #5
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    the turbos they use are so tiny i think garret t18 or something like that,they put out high boost though only only downfall is lag but after 3000rpm u feel it

  6. #6
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    how much boost is it though on the 1.9?
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  7. #7
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    18 psi is a lot for some engines, but not a vw diesel....

    im actually surprised its that low...

    anyway, the 1.9 is about the same. the big difference in power between the 1.9 and 2 l is due to the 2l being a rather different engine, next generation type thing... the 1.9 in an older engine which has been used through the mk4's etc aswell.

    www.vwdiesel.net is the central hub of all vw diesel knowledge. a lot of guys run up to 30 psi.... i've seen figures of 38 for guys running 14sec 1/4's with mk1 1.6 turbo diesels.
    '07 Touareg V6 TDI with air suspension
    '98 Mk3 Cabriolet 2.0 8V
    '99 A4 Quattro 1.8T

  8. #8
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    After installing the boost gauge in the 2.0 TDI, I have the following to add to this discussion.

    Normally under light acceleration I am at 10psi, under hard acceleration I have had it at 30psi - at the end of my gauges measurement, generally I find it is around 20-24psi in these conditions.

    The boost pressure is all over the place because of the variable vein on the turbo so the pressure in the intercooler is quite dynamic.

    Hope that helps.
    2015 Multivan Highline
    1969 Sunbeam Imp Sport 930cc

  9. #9
    Mik - is your's chipped or anything? It seems to be very high!

    What turbo is in the diesel?
    Quote Originally Posted by Whubbsie View Post
    There is nothing better than a polo badge, thats why you will notice Veyron drivers with polo gti badges.... they know where the true sizzles at!

  10. #10
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    I am stock currently.

    The turbo is the factory fitted one, someone have the details?
    2015 Multivan Highline
    1969 Sunbeam Imp Sport 930cc

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