New daily driver

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  • macspring
    S2Forum Zealot
    • Mar 2005
    • 6371
    • Home: Ireland Current: Wallis & Futuna

    #61
    Originally posted by AndyP
    Not fitted the head yet. My plan is to run the A6 over winter while I work on the S2, then swap and work on the A6 over summer.
    No worries, looking forward to the summer so.

    Comment

    • AndyP
      S2Forum Zealot
      • Feb 2004
      • 6049
      • Country: England

      #62
      Since the S2 has been misbehaving I've not had a lot of time to work on this, luckily it has remained utterly reliable all winter. I've now got the head re-built



      The valves turned out to be bent so it's had new valve guides, valve seats re-cut, a new set of valves and new lifters. Turbo has also bee rebuilt, looks as good as new!





      I'm also going to replace the downpipe with one off a 2WD car and de-cat it.
      sigpic
      1991 Audi S2 3B - 2.5 Stroker engine
      1997 A6 2.5TDi quattro avant - C4
      1976 RD250E / 350LC cafe racer

      Comment

      • djh
        S2Forum Extremist
        • Jun 2011
        • 1622
        • Home: United States Current: United Kingdom

        #63


        is that the egr thats been blanked off at the front of the manifold?

        Comment

        • AndyP
          S2Forum Zealot
          • Feb 2004
          • 6049
          • Country: England

          #64
          Yes, if you look back to post #41 there's a picture before paint.
          sigpic
          1991 Audi S2 3B - 2.5 Stroker engine
          1997 A6 2.5TDi quattro avant - C4
          1976 RD250E / 350LC cafe racer

          Comment

          • AndyP
            S2Forum Zealot
            • Feb 2004
            • 6049
            • Country: England

            #65
            Finally got some time to work on this today so I thought I'd tackle the de-cat. The car has felt very strangled at the top end recently and I was convinced it was down to blocked cats. While I was de-cating it I thought I might aswell make a new downpipe, so here's what I started with:-



            I had some left over 70mm tube from when I did my brothers S2 so I thought I might as well use that.

            Here's the turbo flange that I had already made



            I got the old exhaust stripped off and I was right the cats must have been at least 50% blocked and they weigh a ton, so I'm expecting to see a good gain from this mod. I'll post up more pics tomorrow when it's finished.
            sigpic
            1991 Audi S2 3B - 2.5 Stroker engine
            1997 A6 2.5TDi quattro avant - C4
            1976 RD250E / 350LC cafe racer

            Comment

            • K7ERG
              S2Forum Extremist
              • Mar 2004
              • 1711
              • Country: Scotland

              #66
              Nice work
              Audi A6 AEL 5cyl Quattro breaking.
              Audi A5 3.0tdi Quattro Stage 2
              07947385043

              Comment

              • AndyP
                S2Forum Zealot
                • Feb 2004
                • 6049
                • Country: England

                #67
                Well that is slightly dissapointing, given how badly the CATs were blocked up, I was expecting to feel much more of an improvement that that, not even got any change in the sound

                This is one of the CATs


                This is the finished exhaust






                It does feel better, just not the night and day change I was expecting. I'll check MPG over the next couple of weeks and see if that improves.
                sigpic
                1991 Audi S2 3B - 2.5 Stroker engine
                1997 A6 2.5TDi quattro avant - C4
                1976 RD250E / 350LC cafe racer

                Comment

                • PRY4SNO
                  S2Forum Maniac
                  • Mar 2009
                  • 767
                  • Country: Canada

                  #68
                  Just caught up, great purchase!

                  Looking forward to seeing the car lowered as well as the new go fast bits.
                  2013 Touareg TDI /// #farmenwagen
                  1992 80q 20v /// Eventual AAN'd Winter Sled
                  1990 Cq /// Project: Because Racecar

                  Comment

                  • AndyP
                    S2Forum Zealot
                    • Feb 2004
                    • 6049
                    • Country: England

                    #69
                    Fitted a new fuel pump drive belt last weekend, not a moment too soon looking at the old one



                    Had problems with the pump timing fluctuating which I've been told is an internal fault on the pump, so I fitted a re-conditioned pump at the same time. The engine now runs much smoother and smokes less



                    Now looking for an audi tensioning tool 3303 if anybody knows where to get one?



                    Tried emailing Samstag tools with now response yet, and dealer was no use either.
                    sigpic
                    1991 Audi S2 3B - 2.5 Stroker engine
                    1997 A6 2.5TDi quattro avant - C4
                    1976 RD250E / 350LC cafe racer

                    Comment

                    • GT500
                      S2Forum Fiend
                      • Jun 2006
                      • 2181
                      • Country: United Kingdom

                      #70
                      Top tip for tensioning. I use a fishing spring scale. Hooks on and you can pull the correct poundage.
                      Rob..
                      94 RS2 Noggy,LHD,MTM map,18"cup 1s,245/35/18,Bilsteins,RS2 H&Rs,Cup splitter.
                      87 UR 20v ABY
                      97 S6 Avant
                      96 A6 C4 2.5 TDI quattro avant,Ming,Wietec/eibach,chipped
                      1967 Ford Mustang,Eleanor,460ci v8

                      Comment

                      • GT500
                        S2Forum Fiend
                        • Jun 2006
                        • 2181
                        • Country: United Kingdom

                        #71
                        Take your old cats to the scrap yard. I got £130 for mine!
                        Rob..
                        94 RS2 Noggy,LHD,MTM map,18"cup 1s,245/35/18,Bilsteins,RS2 H&Rs,Cup splitter.
                        87 UR 20v ABY
                        97 S6 Avant
                        96 A6 C4 2.5 TDI quattro avant,Ming,Wietec/eibach,chipped
                        1967 Ford Mustang,Eleanor,460ci v8

                        Comment

                        • AndyP
                          S2Forum Zealot
                          • Feb 2004
                          • 6049
                          • Country: England

                          #72
                          Originally posted by GT500
                          Top tip for tensioning. I use a fishing spring scale. Hooks on and you can pull the correct poundage.
                          What's the poundage though?

                          Scrap man at work told me prices were low at the moment and to wait until after Christmas to see if they picked up.
                          sigpic
                          1991 Audi S2 3B - 2.5 Stroker engine
                          1997 A6 2.5TDi quattro avant - C4
                          1976 RD250E / 350LC cafe racer

                          Comment

                          • GT500
                            S2Forum Fiend
                            • Jun 2006
                            • 2181
                            • Country: United Kingdom

                            #73
                            Can't remember where I read it. Maybe audi fans. Think it's 7lb. Or a fat trout!
                            Rob..
                            94 RS2 Noggy,LHD,MTM map,18"cup 1s,245/35/18,Bilsteins,RS2 H&Rs,Cup splitter.
                            87 UR 20v ABY
                            97 S6 Avant
                            96 A6 C4 2.5 TDI quattro avant,Ming,Wietec/eibach,chipped
                            1967 Ford Mustang,Eleanor,460ci v8

                            Comment

                            • AndyP
                              S2Forum Zealot
                              • Feb 2004
                              • 6049
                              • Country: England

                              #74
                              Originally posted by GT500
                              Can't remember where I read it. Maybe audi fans. Think it's 7lb. Or a fat trout!
                              I've searched on there and couldn't find anything. Just searched for tool again and found this

                              sigpic
                              1991 Audi S2 3B - 2.5 Stroker engine
                              1997 A6 2.5TDi quattro avant - C4
                              1976 RD250E / 350LC cafe racer

                              Comment

                              • AndyP
                                S2Forum Zealot
                                • Feb 2004
                                • 6049
                                • Country: England

                                #75
                                Originally posted by GT500
                                Top tip for tensioning. I use a fishing spring scale. Hooks on and you can pull the correct poundage.
                                Found the poundage on Audifans, 2.5Kg or 5.5lbs for reference, bought one of these and reset the tension at the weekend.

                                http://www.ebay.co.uk/itm/DIGITAL-LC...item233183d693
                                sigpic
                                1991 Audi S2 3B - 2.5 Stroker engine
                                1997 A6 2.5TDi quattro avant - C4
                                1976 RD250E / 350LC cafe racer

                                Comment

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