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Adding power to 1.8 20V?

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  • Adding power to 1.8 20V?

    Hey guys,

    Currently driving a 1.8 20V Golf MK4 (Non-turbo). Lately I've been feeling a little down on the power, as I drove a MK5 GTI the other day, and realised how slow my car is

    So was wondering, what are some basic upgrades I could do to the 1.8 20V to get some juice out of it? Even though its basically the same engine as the 1.8T, I'd assume the work to attach a turbo would be monstrous in terms of labor and money.

    An ECU upgrade is around $1525 from Evolve-Technik, in Melbourne, and will only find me an extra 10HP, barely worth it.

    Tell me what you guys think...

  • #2
    Originally posted by damianzmd View Post
    Hey guys,

    Currently driving a 1.8 20V Golf MK4 (Non-turbo). Lately I've been feeling a little down on the power, as I drove a MK5 GTI the other day, and realised how slow my car is

    So was wondering, what are some basic upgrades I could do to the 1.8 20V to get some juice out of it? Even though its basically the same engine as the 1.8T, I'd assume the work to attach a turbo would be monstrous in terms of labor and money.

    An ECU upgrade is around $1525 from Evolve-Technik, in Melbourne, and will only find me an extra 10HP, barely worth it.

    Tell me what you guys think...
    I didnt even realise there was such a fruit as a n/a 1.8 20V in a Mk4?
    Bora gone
    Vento VR6
    MKIV GSW TDI
    7P Touareg TDI

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    • #3
      Guess you do now Engine code is AGN, stock is around 92kW!

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      • #4
        surely a full exhaust, headers/extractors and an air intake kit would yeild a little more power?
        Platinum Grey mkV Jetta turbo, Viezu motorsport map, GT-CX 18", lowering to come

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        • #5
          I'd assume so, I've looked at headers before, Glenroy Exhaust quoted me $750 custom made, for them since VW engines are 'back-to-front', so they ask a bit more for labor. Could anyone recommend me a good exhaust setup? A bit of a newb in this area, what should I be looking at, 2.25"? 2.5"? Custom made? Or just purchase from ECS?

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          • #6
            I know it gets said a lot but the best option would be to sell it and buy a GTI version of the same car. You could probably get away with it not costing you a great amount of money and the tuning path for the 1.8t is almost limitless!

            PERFORMANCE, STYLING AND OEM PRODUCTS FOR YOUR VW

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            • #7
              Tim thats actually not a bad idea! How much would a 1999 VW Golf 1.8 go for? 175,000 on the clock... I could probably snag a GTI for around $12k ?

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              • #8
                see here:

                Redbook

                prices on carsales from a quick search were between $6K to $10K. You may be able to get a GTI for a bit less than $12K too.

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                • #9
                  Yeah hopefully should be able to give my Golf away for around $7000? Fork out around $5000... Sounds do-able!

                  Just overcame with excitement there. I never actually cared to check how much a MK4 GTi was.

                  Also how much would a chip set me back?

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                  • #10
                    I went down the same path when I had an Impreza, bought myself a turbo polo. I know it is a sidestep, but the 1.8T can do around 140kw with just a retune. For the spend, much more return for your money.

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                    • #11
                      Originally posted by damianzmd View Post

                      Also how much would a chip set me back?
                      somewhere from $900 to ~$1500, depending on who you go with. There's about half a dozen brands all with similar pricing and performance.

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                      • #12
                        If I got a stock GTI I'd go straight to a K04. The K04 tunes cost the same as a stage 1 tune. So just get the K04 for around 1k and a 4bar FPR (plus fuel injectors if you go with CC), and get the K04 tune.
                        03 MkIV GTI - K04-001, APR 2.5" TBE/TIP/Software, Forge FMIC, GFB DV+, Powergasket+, Dark Tint, 17" Bora Sport, Bilstein shocks, Eibach springs, BMC CDA, Dieselgeek SS, Hella Celis, R32 Alloy Trim...
                        95 MkIII VR6 (sold)

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                        • #13
                          We have/can do tunes for a K04 on standard injectors. The injectors cost a small fortune new. Obviously, this limits the power a bit.

                          Gavin
                          optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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                          • #14
                            Originally posted by h100vw View Post
                            We have/can do tunes for a K04 on standard injectors. The injectors cost a small fortune new. Obviously, this limits the power a bit.

                            Gavin
                            I stand corrected then Injectors (380cc) are $340US on ECS
                            03 MkIV GTI - K04-001, APR 2.5" TBE/TIP/Software, Forge FMIC, GFB DV+, Powergasket+, Dark Tint, 17" Bora Sport, Bilstein shocks, Eibach springs, BMC CDA, Dieselgeek SS, Hella Celis, R32 Alloy Trim...
                            95 MkIII VR6 (sold)

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