Ct525

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  • ZERO25
    Senior Member
    • Aug 2018
    • 5240

    #1

    Ct525

    What would be the issues in putting one of these in a gmc 2500? I always wanted 500hp in a stock truck!
  • 95shaw
    Senior Member
    • Nov 2007
    • 205

    #2
    Probably the same as putting any race motor in a stock vehicle.
    Drivability, overheating, poor fuel economy.

    Could overcome some of these with loose converter, lower rearend gears, better cooling system.
    But then, its not a stock truck anymore. Be more fun, though.

    Comment

    • fastford
      Senior Member
      • Dec 2008
      • 4059

      #3
      it was built to run on pump gas so it should do ok , probably have to fab mounts and stuff.......

      Comment

      • ZERO25
        Senior Member
        • Aug 2018
        • 5240

        #4
        Originally posted by fastford View Post
        it was built to run on pump gas so it should do ok , probably have to fab mounts and stuff.......
        I already have the 6.0l ls motor, are they not the same? I assumed they were!

        Comment

        • RW57
          Senior Member
          • Dec 2007
          • 662

          #5
          I think it's the same as an ls motor should be very doable maybe reprogram computer.

          Comment

          • SRXSRULE
            Senior Member
            • Jan 2011
            • 217

            #6
            Easy swap. Ive done over 40 LS engine swaps, but all you would be doing is taking out a 6.0 and putting in a 6.2
            You could swap your intake and fuel system, or upgrade to an LS3 intake but that would create some issues with accessories due to the throttle body style.
            It will need some custom ECM tuning when your done to get the spark and fuel right.

            Comment

            • 95shaw
              Senior Member
              • Nov 2007
              • 205

              #7
              Originally posted by SRXSRULE View Post
              Easy swap. Ive done over 40 LS engine swaps, but all you would be doing is taking out a 6.0 and putting in a 6.2
              You could swap your intake and fuel system, or upgrade to an LS3 intake but that would create some issues with accessories due to the throttle body style.
              It will need some custom ECM tuning when your done to get the spark and fuel right.

              Just looked at the torque curve, looks like it would probably do alright in a stock situation. Going to need to be up in the revs to take advantage of bigger horsepower.

              Simpler swap may be to just put the ct525 cam in your existing motor and reprogram computer.

              Comment

              • ZERO25
                Senior Member
                • Aug 2018
                • 5240

                #8
                Originally posted by SRXSRULE View Post
                Easy swap. Ive done over 40 LS engine swaps, but all you would be doing is taking out a 6.0 and putting in a 6.2
                You could swap your intake and fuel system, or upgrade to an LS3 intake but that would create some issues with accessories due to the throttle body style.
                It will need some custom ECM tuning when your done to get the spark and fuel right.
                I was planning on swapping out the intake and running my stock fuel injection. However, on the gm website, it keeps stating, ill have to switch my gas pedal to a drive by wire one, is that correct?

                Comment

                • SRXSRULE
                  Senior Member
                  • Jan 2011
                  • 217

                  #9
                  If you reuse your intake and fuel system you wont need to do a drive by wire system. Your truck must be 2002 or older? If it was me I would update it to a returnless fuel system and drive by wire because they work so much better and give you more tuning options. But for someone that doesnt do this all the time it will make things more difficult.

                  Comment

                  • ZERO25
                    Senior Member
                    • Aug 2018
                    • 5240

                    #10
                    Originally posted by SRXSRULE View Post
                    If you reuse your intake and fuel system you wont need to do a drive by wire system. Your truck must be 2002 or older? If it was me I would update it to a returnless fuel system and drive by wire because they work so much better and give you more tuning options. But for someone that doesnt do this all the time it will make things more difficult.
                    Yep, its an 02! I bought it new and the past 7 years just drive it on the weekends.

                    I have rebuilt the trans and transfer case, so the motor is next!Im gathering up my parts list to convert the front torsion bars to coilovers!From what I have read, its a simple swap!

                    On the returnless fuel system, is that a factory option or aftermarket and how does it work?
                    Last edited by ZERO25; 10-28-2019, 09:58 PM.

                    Comment

                    • SRXSRULE
                      Senior Member
                      • Jan 2011
                      • 217

                      #11
                      "On the returnless fuel system, is that a factory option or aftermarket and how does it work?"

                      Its factory a thing. The factory just controls the power to the fuel pump to control fuel pressure. pulse width modulated. It can also be done with a regular fuel pump by using a corvette fuel filter (33737). This is an inline filter with a built in regulator which sets the pressure at 58psi.

                      Comment

                      • ZERO25
                        Senior Member
                        • Aug 2018
                        • 5240

                        #12
                        Originally posted by SRXSRULE View Post
                        "On the returnless fuel system, is that a factory option or aftermarket and how does it work?"

                        Its factory a thing. The factory just controls the power to the fuel pump to control fuel pressure. pulse width modulated. It can also be done with a regular fuel pump by using a corvette fuel filter (33737). This is an inline filter with a built in regulator which sets the pressure at 58psi.
                        With your experience, pricewise, is this a good swap or should I just re-build my stocker with better parts?

                        Comment

                        • SRXSRULE
                          Senior Member
                          • Jan 2011
                          • 217

                          #13
                          "With your experience, pricewise, is this a good swap or should I just re-build my stocker with better parts?"

                          That depends. Do you all ready own the CT525, and is it still in good shape, or would you have to buy one?

                          It wouldnt be hard to get more power out of your 6.0

                          Comment

                          • 50j
                            Senior Member
                            • Jun 2007
                            • 1047

                            #14
                            If you build your 6.0 your pan and all accessories will go right back on. No surprises.

                            Comment

                            • ZERO25
                              Senior Member
                              • Aug 2018
                              • 5240

                              #15
                              Originally posted by SRXSRULE View Post
                              "With your experience, pricewise, is this a good swap or should I just re-build my stocker with better parts?"

                              That depends. Do you all ready own the CT525, and is it still in good shape, or would you have to buy one?

                              It wouldnt be hard to get more power out of your 6.0

                              No, I was going to buy a new one!

                              Comment

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