20v turbo conversion

Discussion in 'Mk2' started by Ciaran brennan, Jul 13, 2019.

  1. Ciaran brennan New Member

    Jul 13, 2019
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    Hello everyone,I have just joined after buying a mk2 golf gti and have started looking into a few different engine options and was after some advice about the 1.8 20v turbo option is it a difficult conversion? Things to watch out for etc any help would be appreciated thanks in advance
  2. Farmerchris

    Farmerchris Paid Member Paid Member

    Mar 21, 2017
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    The golden rule seems to be to have a running donor viechle to start with. A mk4 golf 1.8t can be picked up around 1k these days. An mot failure may be quite a bit less still.
    This gives you 95 % of what you need.

    A downpipe and loom conversion after that are (I think) the only two main things which will cost a couple of hundred pounds each.

    Then for less than £100 each an intercooler and radiator.

    Oil coolant a few hoses and clamps can soon Soon add up add up so worth bearing in mind also.

    If you enjoy having a go your self and have an basic idea of car mechanics its a great project.
  3. cupracraig Forum Member

    Jul 14, 2015
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    totally doable yourself, i did mine and it was the first time i've ever laid a spanner on a car.

    one thing i learnt though is that its not cheap to do well.....parts are getting more expensive and be sure to decide on your future tuning requirements before you buy a donor
  4. Tristan Forum Junkie

    Apr 25, 2006
    Likes Received:
    Southern IRELAND
    Are you in the UK or Ireland?
  5. montygreen20vt New Member

    Aug 31, 2019
    Likes Received:
    I did mine it’s actually pretty easy. I built my
    Own harness and had the ecu tuned. Hardest part is figuring out your boost pipes lol

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