Audi Coupe 1.8T 20v Engine Conversion Advice & Info!

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  • Louie C
    S2Forum Addict
    • Jun 2012
    • 288
    • Country: United Kingdom

    #1

    Audi Coupe 1.8T 20v Engine Conversion Advice & Info!

    Hi everyone hopefully whoever reads this will be able to give me some much needed advice, info & opinions!

    Finally I think it's time to buy a Donor Car for my much needed 1995 Coupe Project!
    After some advice I am going to go down the lines of buying a 1.8T Passat donor car (probably a 20v sport, but advice is what I'm here for?)......Another reason why I thinking of buying a donor car is because I could use another car for work and a Passat Estate would be perfect!

    Basically I'm thinking of doing a engine swap! For those of you who dont know my Coupe Project here's a link


    Now for the questions!!....

    Firstly, Is a engine swap between the cars possible? (I think so because from what I've been told a 1.8T Passat engine will go straight in, so shouldn't the coupe engine be able to go into the Passat?)

    If this is possible then does it matter a lot about the mileage of the donor car? Im only asking this because I'm assuming that when doing the engine swap/conversion then the Passat engine would be stripped down and basically rebuilt? Also using upgraded parts like turbo, intercooler, and anything else the lovely people of this forum might want to advise me on?

    Just to answer a few questions on why I might be doing this project!.... I've owned the car for over 14 years! I bought it after owning a VW beetle as a first car then on to a 1983 MKI Golf GTI Campain in Lhasa Green (which my parents stupidy sold for £600 after I got a driving ban when I was 18 Loved that car! wish I owned it now!! Anyway.... back to the Coupe, it may disappoint a few of you but the coupe is not a S2 or even a Quattro this being due to the cost of insurance and the car at the age of 22!............ It is actually a 2.0E Coupe, boring yes! VERY!

    I bought it from a company executive that had basically done mainly only motorway miles! It was in very very good condition, only the usual stone chips and wear to the leather on the drivers seat bolster.
    I had big plans for the car as I've been into the VAG/Aircooled VW's etc, so at the time it was a nice investment and long term project! I know I know! Should have bought a S2 lol but NO WAY could have afforded one at the time, let alone the insurance!!!

    So here I am still with the car, and finally looking to get towards the end of the project! (If there is EVER any end to a car project lol)

    I've spent a fair bit keeping the coupe in mint condition exterior and interior, unfortunately I was never that bothered about the engine! It's been pretty reliable and has not caused me any problems up to 190,000 miles, but it's now definately the time for change!!!

    Im not that bothered about it not being a Quattro due to just driving it around sensibly, plus we dont really get that much snow here in Bristol, although soon when the Ice caps melt and the gulf stream has gone maybe I'll change my tune!

    So! Back to the Engine stuff!!... I'd be very grateful if any of you could give me advice on what parts I should look out for? and what to do with the engine? It would be nice to have around 200hp when needed, but most of the time it would be driven economically.

    I've invested enough money in keeping this car in very good condition, so I hope you understand why I dont want to get rid of her!

    Oh! one other thing! If anyone knows of a good Garage that is familiar with Audi Coupe's in the Bristol south west area then please please let me know!! As they will be doing this work for me

    Many thanks,

    Louie C
  • Acidburn
    S2Forum Obsessed
    • Jun 2007
    • 13459
    • Country: United Kingdom

    #2
    Yes check lee whiteheads thread about his 1.8t swap.

    Milage, as long as it goes fine I wouldn't worry.

    The actual swap isn't too hard, its the wiring that takes time.

    Comment

    • Acidburn
      S2Forum Obsessed
      • Jun 2007
      • 13459
      • Country: United Kingdom

      #3
      a remap will give you close to 180-190.

      Comment

      • Louie C
        S2Forum Addict
        • Jun 2012
        • 288
        • Country: United Kingdom

        #4
        Cheers Acidburn, and thanks to Bikerjim also, was just reading a message he sent me a while back regarding this topic!
        Will probably go down the AEB route as it seems to be the simplest way forward!

        Unless I win the lottery then I will buy a R8 and hang the coupe on my wall lol

        Comment

        • sidrick
          S2Forum Extremist
          • Jan 2011
          • 1342
          • Country: Scotland

          #5
          I've got an AEB motor sitting in my garage as I was going to do the same conversion as you before buying my S2. Maybe too far away to be of any use to you though?

          Comment

          • Louie C
            S2Forum Addict
            • Jun 2012
            • 288
            • Country: United Kingdom

            #6
            Oooh have you, thats worth a thought? Id have to find out how much a courier would be and what you want for it ect and weigh it all up, there's also a few on fleabay I've noticed!
            How much of your engine is there?

            I dont have to buy a donor car really, I'm managing without another car at the moment, and I suppose the cheaper things work out the better

            Comment

            • Louie C
              S2Forum Addict
              • Jun 2012
              • 288
              • Country: United Kingdom

              #7
              Hey Andy, how do I find that 1.8T Swap thread? Sorry I'm a bit of a newb navigating this site haha

              Comment

              • mdz
                S2Forum Maniac
                • Jun 2012
                • 775
                • Country: Latvia

                #8

                Comment

                • Louie C
                  S2Forum Addict
                  • Jun 2012
                  • 288
                  • Country: United Kingdom

                  #9
                  Cheers

                  Comment

                  • Louie C
                    S2Forum Addict
                    • Jun 2012
                    • 288
                    • Country: United Kingdom

                    #10
                    Any advice on what parts I need to upgrade and replace when the engine goes in? So far from what I've read I'm thinking.... 1.8T AEB Engine, K04 or Garret T28 Turbo, S2 downpipe? RS4 Pipes, SS custom made exhaust, stock 80 2.0 16v clutch, ECU remap..... I'm sure there is loads more that should be done so any advice would be much appreciated! What about the Intercooler, should that be upgraded? If so to what?

                    Also I think upgrading the brakes will be a good idea, what would fit my car? It's a measly little 2.0E although it doesn't look it

                    Comment

                    • Acidburn
                      S2Forum Obsessed
                      • Jun 2007
                      • 13459
                      • Country: United Kingdom

                      #11
                      g60 brakes will work fine.

                      Just get a medium sized cheap ebay ic that will be enough

                      Comment

                      • Louie C
                        S2Forum Addict
                        • Jun 2012
                        • 288
                        • Country: United Kingdom

                        #12
                        [QUOTE=Just get a medium sized cheap ebay ic that will be enough[/QUOTE]

                        ic? sorry but im a bit new to the mechanical stuff

                        Comment

                        • Acidburn
                          S2Forum Obsessed
                          • Jun 2007
                          • 13459
                          • Country: United Kingdom

                          #13
                          intercooler - be around 80-100 off ebay. Or Just stick with the stock passat/audi ic for a while, its good for 200 ish.

                          Remap/de immobilisation - speak to quattronutter on here as he can get it done for a good price.

                          Comment

                          • Louie C
                            S2Forum Addict
                            • Jun 2012
                            • 288
                            • Country: United Kingdom

                            #14
                            Ah of course! Intercooler What should I search for on ebay for an upgraded one that will fit this conversion?
                            Oh and by the way I'm buying that Engine you referred me to! Thanks for your info and help mate!

                            Comment

                            • Acidburn
                              S2Forum Obsessed
                              • Jun 2007
                              • 13459
                              • Country: United Kingdom

                              #15
                              no problem mate, glad to help.

                              I will measure my uprated ic that I got for my tdi conversion as that would be the ideal size and fit behind your bumper.

                              I am seeing quattronutter tomorrow so I will ask him what bits was required for lee whiteheads conversion. I think if you base yours on his and biker jims setup you will end up with a quick reliable car.

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