My 1.8t CQ - 2 engines later....

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  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #16
    Looking very good.

    On the intercooler, you shouldn't go thinner than a 3 inch (75 mm) core. It looks like you have room for a 3.5" (88 mm) thick core and maybe 4" (100 mm).

    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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    • Mcstiff
      S2Forum Maniac
      • Oct 2004
      • 504
      • Country: United States

      #17
      Core thickness increases yield a diminishing return after x inches. Better to spend money on more tubes/rows rather than wider or longer ones.
      1995 1PissedOff90sigpic1991 USDM CQ 7aT

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      • Error404
        Super Moderator
        • Mar 2007
        • 19789
        • Country: United Kingdom

        #18
        Cool project, the engine looks like a really nice fit in there, sooooo much space at the front!
        How low does the sump sit? does it hang lower than the 20vt?
        Panthero Coupé quattro 20vt
        Indigo ABY coupé
        Imola B6 S4 Avant

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        • dspl1236
          S2Forum Addict
          • Feb 2008
          • 242
          • Country: United States

          #19
          thanks guys.

          I know thicker is better on the ic core and such a small turbo will generate heat. it may not be correct, but most 1.8t's use a 2.5" stacked on the radiator and the bigger turbo guys are using 3" cores.

          Just staying cost effective with a 210hp setup. I never intended on the engine swap and this is pulling time/$$$ from the v8cq. Once the 1.8t is all sorted and goes to a few shows, it will be for sale for the next guy to big turbo it.
          '91 Pearl 3.6 V8 CQ - building
          '13.5 Jetta GLI - toy
          '15 Subaru Imprezzzza - work daily
          hausofdub.com

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          • dspl1236
            S2Forum Addict
            • Feb 2008
            • 242
            • Country: United States

            #20
            on the vac lines and little bit of wiring left....almost
            '91 Pearl 3.6 V8 CQ - building
            '13.5 Jetta GLI - toy
            '15 Subaru Imprezzzza - work daily
            hausofdub.com

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            • Bowie69
              S2Forum Fiend
              • Nov 2013
              • 2675
              • Country: England

              #21
              Really like that, well done

              Comment

              • dspl1236
                S2Forum Addict
                • Feb 2008
                • 242
                • Country: United States

                #22
                Thanks, should be a first start attempt later tonight.

                but first...quick 60sec 3d scan. garage computer cant handle rendering faster that 2 fps
                '91 Pearl 3.6 V8 CQ - building
                '13.5 Jetta GLI - toy
                '15 Subaru Imprezzzza - work daily
                hausofdub.com

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                • irishs2
                  S2Forum Fiend
                  • Apr 2009
                  • 2455
                  • Country: Ireland

                  #23
                  Thats a nice clean install. I like the 3d scanning
                  Eric

                  95 S2 Avant under rebuild.

                  Comment

                  • dspl1236
                    S2Forum Addict
                    • Feb 2008
                    • 242
                    • Country: United States

                    #24
                    Thanks

                    I have 12v power at each injector via the green/yellow.
                    Output tests do not work for injectors.
                    N80 and N75 click away during output tests.
                    Coil packs fire.
                    Throttle body adapts.
                    Tried 3 557p/n ecu's
                    Swapped cam position sensor from a running 1.8t

                    AEB harness grounded to a body ground with ABS. Transmission is grounded to battery ground body stud. coil packs grounded to valve cover and to battery ground body stud.


                    suggestions?
                    '91 Pearl 3.6 V8 CQ - building
                    '13.5 Jetta GLI - toy
                    '15 Subaru Imprezzzza - work daily
                    hausofdub.com

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                    • dspl1236
                      S2Forum Addict
                      • Feb 2008
                      • 242
                      • Country: United States

                      #25
                      '91 Pearl 3.6 V8 CQ - building
                      '13.5 Jetta GLI - toy
                      '15 Subaru Imprezzzza - work daily
                      hausofdub.com

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                      • Bowie69
                        S2Forum Fiend
                        • Nov 2013
                        • 2675
                        • Country: England

                        #26
                        Marvellous

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                        • dspl1236
                          S2Forum Addict
                          • Feb 2008
                          • 242
                          • Country: United States

                          #27
                          replaced the throttle body and the maf is not connected yet. no DV either.
                          '91 Pearl 3.6 V8 CQ - building
                          '13.5 Jetta GLI - toy
                          '15 Subaru Imprezzzza - work daily
                          hausofdub.com

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                          • dspl1236
                            S2Forum Addict
                            • Feb 2008
                            • 242
                            • Country: United States

                            #28
                            #3 coil pack was dead brand new....swapped out a spare. runs much much smoother now.

                            sits at 202* F at idle 850rpm.
                            drops down to 199* F at 2300 rpm
                            Hits 207* F while holding rpm and bouncing the revs for extended periods then cools back down to 202* F
                            '91 Pearl 3.6 V8 CQ - building
                            '13.5 Jetta GLI - toy
                            '15 Subaru Imprezzzza - work daily
                            hausofdub.com

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                            • Bowie69
                              S2Forum Fiend
                              • Nov 2013
                              • 2675
                              • Country: England

                              #29
                              Sounds like it is working nicely then

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                              • dspl1236
                                S2Forum Addict
                                • Feb 2008
                                • 242
                                • Country: United States

                                #30
                                had a bad throttle body days before Southern Worthersee. New used tb came in on Tuesday and the battery was totally dead. First fire since. It was late so I couldn't be too loud. I try to be a nice neighbor.....

                                '91 Pearl 3.6 V8 CQ - building
                                '13.5 Jetta GLI - toy
                                '15 Subaru Imprezzzza - work daily
                                hausofdub.com

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