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  • 3.0L engine combo terminology

    There are lot of terms being tossed around about the various 3.0L engine combinations commonly used on this board. Some make sense, some don't. I'm not trying to redefine the terms or overcomplicate things with yet another explanation. I'm just making an attempt to simplify things for clear discussion and for the benefit of new members.

    To simplify matters, engine combinations should be discussed in terms of block, heads, and intakes. As I see it, there is one stock and three modified V6 engine setups that work on this platform. These engines comes with different camshaft options, intake options, throttle body options, etc., but for our discussion, when talking about the ENGINE, we won't include which cam, which Contour intake, which Contour throttle body, or what size injectors. Just block, heads, and intakes.

    The first is a Stock 2.5L engine from the factory. It has 2.5L block, 2.5L heads, and 2.5L intakes. This setup came on V6 equipped Contours, Mystiques, and Cougars. The SVT had better cams, better flowing intakes, etc., but just reread the previous paragraph so we all don't get confused. We're talking only about the engine combo. Here's a visual:




    When you blow up this engine, you may wish to upgrade to a 3.0L engine. As I see it, there are three engine options available with many different variations. The following are the three options.



    The first upgrade to a larger block is a Hybrid. This term is thrown around all over the place and is used, often times, incorrectly. A Hybrid engine is one that uses a 3.0L block, 2.5L heads, and 2.5L intakes. It is called a Hybrid due to the fact that it uses a block and the heads from two different sized engines. You can learn about what it takes to install a Hybrid into your vehicle by searching the archives. Here's an image:




    The next three liter engine is a Port Matched 3.0L. This combination uses 3.0L block, 3.0L heads, and 2.5L intakes. Due to the fact that the intake ports on the 3.0L heads differ from the ports on the 2.5L intakes, you have to match the ports to make them work together. Here's an image:




    The third combo you may wish to use is sometimes called a Full 3.0L. I really don't care for this name because it is ambiguous. The name doesn't indicate what type of engine it is. A better name might be a Long Block 3.0L but as long as everyone is clear about what the name means, who cares? In any case, this combination utilizes a 3.0L block, 3.0L heads, and 3.0L intake. Here's an image.






    You have a lot of options within these engines, but I don't think the name of the combo should change just because you used SVT cams or if your 3.0L intake came from an Escape.
    Last edited by squeek; 07-14-2017, 09:24 PM.
    Black 1998.5 LX
    3.0L Split Port Conversion
    HMS Transmission
    Lots of other stuff
    Ressurected 06/14/06

  • #2
    excellent writeup there. i dont think i've ever seen it quite so simplified. great pix too.
    Julian
    98.5 csvt #6226 of 6535
    Rally Inspired 3L turbo'd monsTOUR
    Modifications??? well...lets just say this ain'tcha grandma's contour :D

    Comment


    • #3
      You've got it on the dot. Tired of these noobs coming in and making up their own :censored::censored::censored::censored:ing names for stuff.

      The names that correspond to you pictures, and if anyone doesnt like them... tough :censored::censored::censored::censored:.

      1: 2.5l (duh)
      2: Hybrid (who does this anymore? not worth it, full 3 liter will be as fast / faster and easier to drive)
      3: Port matched 3 liter (joey's LIM modified engines fall in here along with bugzuki plates etc)
      4: Full 3 liter (it does indicate what engine... its a full 3 liter. 3l block, 3l heads, 3l intakes. Cam choice does NOT change the name)


      US23

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      • #4
        time to make it a stickie!
        *CLICK HERE ---> 1995 SE 3L WITH MATCHING TRAILER <--- CLICK HERE*
        30 Contour / Mystiques and counting......

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        • #5
          its in the 3L forum "read first - FAQ" thread which is already stickied.
          .99 Silverfrost
          Call me for free, if you need any help or anything.
          |_|0|_|
          |_|_|0|
          |0|0|0|

          Comment


          • #6
            Very nice diagrams, and great clarification for all the new people to the board.
            -tropictour
            2000 Contour SVT
            Tropic Green
            SHO Shop CAI, BAT Pipe, PS/Alt. UDP's
            Bassani, WR Headers/Y-pipe
            Full HMS Trans./Fidanza Flywheel/SPEC Stg. 1

            Comment


            • #7
              I'm glad you all like it.

              I remember when I used to ask dumb questions about a 3L swap. I asked the same questions that had been asked before(even if I tried not to) and, since then, I've accused noobs of not searching. The thing is, not everyone knows how to search well and even if they do, they find ambiguous, and sometimes, contradictory opinion that looks like facts. Confusion ensues.

              With simple pictures like these(created in Google SketchUp so they're really 3D), people can be directed to look here or the pictures can be copied and pasted in a reply. Less bickering and more learning.

              Btw, I think the Port Matched 3.0L is the awesomest. I used to try to get people to call it a "Split Port Conversion," but it didn't catch on.
              Black 1998.5 LX
              3.0L Split Port Conversion
              HMS Transmission
              Lots of other stuff
              Ressurected 06/14/06

              Comment


              • #8
                YAY! My picture is a inspiration! Nice writeup and pictures!
                '98 SVT E0 BLK/MNB#1663 Forged Ovalport 3L Supercharged

                Comment


                • #9
                  not to split hairs,but your full 3l seems to have a 2.5 manifold on it
                  buy me,95 conotur se
                  http://contour.org/ceg-vb/showthread.php?t=36638

                  Comment


                  • #10
                    Originally posted by 95pgt-t View Post
                    not to split hairs,but your full 3l seems to have a 2.5 manifold on it
                    Oh, it looks like one, but it isn't. You need to learn how to read.:P
                    Black 1998.5 LX
                    3.0L Split Port Conversion
                    HMS Transmission
                    Lots of other stuff
                    Ressurected 06/14/06

                    Comment


                    • #11
                      Originally posted by muntus View Post
                      Oh, it looks like one, but it isn't. You need to learn how to read.:P
                      oh..i get it,one of those 3l manifolds that just happens to look like a 2.5 manifold. its so clear now
                      buy me,95 conotur se
                      http://contour.org/ceg-vb/showthread.php?t=36638

                      Comment


                      • #12
                        Which setup gives you the best horsepower or speed?

                        Comment


                        • #13
                          Originally posted by sergiovbriones View Post
                          Which setup gives you the best horsepower or speed?
                          read more threads before you ask questions. I would just junk your car now, cause from the sounds of it, you are just gonna destroy another engine when you get done with the swap. I wonder how many of engines you will have to go through before you learn your lesson.
                          I strongly abide by the motto, "Safety third."

                          I thought what I'd do was, I'd pretend I was one of those deaf-mutes.

                          Comment


                          • #14
                            Originally posted by sergiovbriones View Post
                            Which setup gives you the best horsepower or speed?
                            This is the wrong place to post this question. Search the archives or start a new thread.
                            Black 1998.5 LX
                            3.0L Split Port Conversion
                            HMS Transmission
                            Lots of other stuff
                            Ressurected 06/14/06

                            Comment


                            • #15
                              Hey what's your problem. You've never done anything wrong or what. If you wanna see an SVT in the junk yard, maybe you should trash yours, because I am not letting go of my SVT.

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