K24 Turbo on 2.5 diesel

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  • Jon441cc
    S2Forum Fiend
    • Dec 2005
    • 2061
    • Country: United Kingdom

    #1

    K24 Turbo on 2.5 diesel

    I am looking at buying a 2.4TDI SWB Transporter van and was wondering whether fitting a K24 turbo would be a bad idea? Any diesel gurus in the house
    Last edited by Jon441cc; 4 July 2006, 12:10.
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  • Jon441cc
    S2Forum Fiend
    • Dec 2005
    • 2061
    • Country: United Kingdom

    #2
    (cough)
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    • twoqu
      S2Forum Possessed
      • Sep 2003
      • 3103

      #3
      Doubt whether you would gain anything. Diesels are rev limited to @5.5K. Already have small turbos for increased torque production.
      Now if you went for a 2.5Tdi that might be interesting. Think they are detuned AAT/AET. Can get substantial increases in torque from those five pots with electronic methods. They use a K14 which is the later version of the K24 with intregal wastegate.

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      • robo
        S2Forum Fiend
        • Aug 2004
        • 2086
        • Home: Poland Current: England

        #4
        Originally posted by twoqu
        Doubt whether you would gain anything. Diesels are rev limited to @5.5K. Already have small turbos for increased torque production.
        Now if you went for a 2.5Tdi that might be interesting. Think they are detuned AAT/AET. Can get substantial increases in torque from those five pots with electronic methods. They use a K14 which is the later version of the K24 with intregal wastegate.
        Jon sorry for hijacking your post.

        Robin would that mean that you can get allot more out of 2.5 tdi (174) in 54 reg touareg????
        cheers
        sigpic_________
        Rob

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        • Jon441cc
          S2Forum Fiend
          • Dec 2005
          • 2061
          • Country: United Kingdom

          #5
          Originally posted by robo
          Jon sorry for hijacking your post.

          Robin would that mean that you can get allot more out of 2.5 tdi (174) in 54 reg touareg????
          cheers
          no problem Robo, MRC remap (174hp) to 204HP @3500RPM - 480Nm @2000RPM
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          • twoqu
            S2Forum Possessed
            • Sep 2003
            • 3103

            #6
            Originally posted by robo
            Jon sorry for hijacking your post.

            Robin would that mean that you can get allot more out of 2.5 tdi (174) in 54 reg touareg????
            cheers
            Rob,

            Aren't they V6's?
            The principles the same. If its electronically controlled then undoubtedly there will be a tuning box for it. These fit in line between the pump and ecu. Basically it intercepts and modifies the signals.
            Like anything else, you pay you money and take your chance. If its from a reputable outfit it should be ok. Not too sure about the durability of this engine. The old five pots are (apart from tensioner problems which cause all kinds of mechanical mayhem) tough as old boots!
            You will need to do some homework on that one.

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            • robo
              S2Forum Fiend
              • Aug 2004
              • 2086
              • Home: Poland Current: England

              #7
              Originally posted by twoqu
              Rob,

              Aren't they V6's?.
              5 pot.
              sigpic_________
              Rob

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              • caterpillar
                S2Forum Fiend
                • Jun 2004
                • 2480

                #8
                the pump can NOT give the fuel for some bigger turbo,and the injektors are to small too. you have to bigger plungerunit innside the fuel/dieselpump....

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                • Jon441cc
                  S2Forum Fiend
                  • Dec 2005
                  • 2061
                  • Country: United Kingdom

                  #9
                  Originally posted by caterpillar
                  the pump can NOT give the fuel for some bigger turbo,and the injektors are to small too. you have to bigger plungerunit innside the fuel/dieselpump....

                  Caterpiller, Are you saying that this "plunger" unit inside the pump would increase fuel pressure to accomodate a bigger turbo?
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                  • Billman
                    S2Forum Freak
                    • Nov 2004
                    • 4129

                    #10
                    Originally posted by twoqu
                    ...apart from tensioner problems which cause all kinds of mechanical mayhem) tough as old boots!
                    You will need to do some homework on that one.

                    You mean the Belt tensioner? What problems did they had there?
                    Go Holset or Go RS4

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                    • diesel des
                      S2Forum Possessed
                      • Feb 2004
                      • 3896

                      #11
                      If its the old 2.4 6 pot inline diesel, dont turbo it! They have a hard enough time staying together NA. Also the turbo engine have different. head,pistons, pump etc, etc...

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                      • twoqu
                        S2Forum Possessed
                        • Sep 2003
                        • 3103

                        #12
                        Originally posted by robo
                        5 pot.
                        Of course! Half the V10!
                        Interesting to see how improvements in the injection systems have increased power. So the 5 pot diesel had gone from 100bhp in 2.4TD to 115/140bhp in 2.5TDi to 174PS in 2.5PD. More impressive is the increases in torque up to 400nm!
                        So the answer to your original question is YES! Another 80nm/30PS available from MRC!

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                        • caterpillar
                          S2Forum Fiend
                          • Jun 2004
                          • 2480

                          #13
                          upps: the 2,4 il6(!) does become WITH turbo too. no prob with that. the il6(still) have some too big piston/syl clarense,and have ca 1/2 lite too little oil in.and the short ride for the engine arent NO good for these...
                          the 2,4 il5(!!) have some commen part in,and arent no race engine no. and cant have the turbo in,the fuelpump cant feed more diesel,when you have booost.
                          the 2,5 il5 TDI have the turbo,but its the limit what the pump can give of fuel..the plunger innside have to be changed to some bigger unit(from 10mm to 12mm)
                          the 2,5 TDI il5 from (2000??) have the unitinjectors...and may give som really big hp and Nm(200hp and 400+Nm)
                          the 2,5 tdi v6 are a different engine and are a drinkin beast of fuel,use alot more than the il5......

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                          • Jon441cc
                            S2Forum Fiend
                            • Dec 2005
                            • 2061
                            • Country: United Kingdom

                            #14
                            Are the 2000> vw transporters I5 2.5tdi tunible ? as i'm going to look at a couple on the weekend :mischeif:
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                            • caterpillar
                              S2Forum Fiend
                              • Jun 2004
                              • 2480

                              #15
                              no prob,think you can get 200+++ hp and HUGE Nm : but the engine arent mont longitude,so the TRANNY vill colaps anyway...the trannys in theese vans are som ******

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