Easiest Swap

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  • Bullhead
    E30 Addict
    • Sep 2014
    • 532

    #1

    Easiest Swap

    Hey guys, I have been looking through all the swap posts and researching heavily on the matter of a swap. My question is; what's the easiest inline 6 swap? I mean placement, parts, harness, ease, and cost.
    sigpic87 325E The Honey Badger
  • Chimi
    Member
    • Nov 2013
    • 92

    #2
    Aside from just dropping in another M20, from the little searching I did the past week, it looks like an M30 drops in very easily as well.

    Comment

    • Ether-D
      R3VLimited
      • Sep 2011
      • 2838

      #3
      The brodeo knows all...
      Originally posted by Andy.B
      Whenever I am about to make a particularly questionable decision regarding a worryingly cheap diy solution, I just ask myself, "What would Ether-D do?"
      1987 325iS m30b34 Muscle car (Engine electrical phase)
      ~~~~~~~~~~
      I was born on 3/25…
      ~~~~~~~~~~

      Comment

      • Bullhead
        E30 Addict
        • Sep 2014
        • 532

        #4
        Originally posted by Chimi
        Aside from just dropping in another M20, from the little searching I did the past week, it looks like an M30 drops in very easily as well.
        Roger that, that's what I am coming up with too. I am dreaming a little on this but it can be achieved as well. The dreaming only due to I can't have this car down for longer than 2 days so I am very limited.
        sigpic87 325E The Honey Badger

        Comment

        • Bullhead
          E30 Addict
          • Sep 2014
          • 532

          #5
          Originally posted by Ether-D
          The brodeo knows all...
          LOL! I wish I could say I will be there but idk. If I can get the fuel issues done by Saturday I may swing by, but I don't want to say I will be there and not show up.
          sigpic87 325E The Honey Badger

          Comment

          • Chimi
            Member
            • Nov 2013
            • 92

            #6
            Originally posted by Bullhead
            Roger that, that's what I am coming up with too. I am dreaming a little on this but it can be achieved as well. The dreaming only due to I can't have this car down for longer than 2 days so I am very limited.
            Yeah, that's basically what I came up with. Being in CA though, I'd like a legal swap if I were to do one at all, but i'll just run the M20 until it dies and decide what to do then.

            Comment

            • ThatOneEuroE30
              R3V OG
              • Dec 2013
              • 8626

              #7
              M30's and m5x's or s5x's will be the easiest.


              1989 325is l 1984 euro 320i l 1970 2002 Racecar
              1991 318i 4dr slick top


              Euro spec 320i/Alpina B6 3.5 project(the never ending saga)
              Vintage race car revival (2002 content)
              Mtech 2 turbo restoration
              Brilliantrot slick top "build"

              Comment

              • Bullhead
                E30 Addict
                • Sep 2014
                • 532

                #8
                Originally posted by ThatOneEuroE30
                M30's and m5x's or s5x's will be the easiest.
                Roger that, I was also thinking M30 because it has a nasty fat torque curve having the extra displacement. I like torque on the street.
                sigpic87 325E The Honey Badger

                Comment

                • ThatOneEuroE30
                  R3V OG
                  • Dec 2013
                  • 8626

                  #9
                  Originally posted by Bullhead
                  Roger that, I was also thinking M30 because it has a nasty fat torque curve having the extra displacement. I like torque on the street.

                  M30 is what I did.


                  1989 325is l 1984 euro 320i l 1970 2002 Racecar
                  1991 318i 4dr slick top


                  Euro spec 320i/Alpina B6 3.5 project(the never ending saga)
                  Vintage race car revival (2002 content)
                  Mtech 2 turbo restoration
                  Brilliantrot slick top "build"

                  Comment

                  • Bullhead
                    E30 Addict
                    • Sep 2014
                    • 532

                    #10
                    Originally posted by Chimi
                    Yeah, that's basically what I came up with. Being in CA though, I'd like a legal swap if I were to do one at all, but i'll just run the M20 until it dies and decide what to do then.
                    Honestly I may pick something up on the side (like an m30) and piddle with it till my m20 dies as well. I am seriously thinking about the 885 and 1.1 1.3 deal but I think I may just save up for the m30 swap later on. I mean I could scoop everything I need for the 885 deal pretty reasonable but I am not one to slap a head back on a vehicle without getting it cleaned and a valve job done to it (I am picky as heck on heads, my pet peeve or down fall). So by the time I have the 885 swap ready I would prob have close to the same $ invested because I can pick up a hole m30 at my local PaP for $120.
                    sigpic87 325E The Honey Badger

                    Comment

                    • Ether-D
                      R3VLimited
                      • Sep 2011
                      • 2838

                      #11
                      Originally posted by Bullhead
                      Honestly I may pick something up on the side (like an m30) and piddle with it till my m20 dies as well. I can pick up a hole m30 at my local PaP for $120.
                      This is the natural progression.
                      Originally posted by Andy.B
                      Whenever I am about to make a particularly questionable decision regarding a worryingly cheap diy solution, I just ask myself, "What would Ether-D do?"
                      1987 325iS m30b34 Muscle car (Engine electrical phase)
                      ~~~~~~~~~~
                      I was born on 3/25…
                      ~~~~~~~~~~

                      Comment

                      • Bullhead
                        E30 Addict
                        • Sep 2014
                        • 532

                        #12
                        Originally posted by Ether-D
                        This is the natural progression.
                        Yeah Ether I am thinking this will be my best route, if I still had my truck I would already went balls deep some way with this lol. I am just so scared to do anything where the car won't be ready by the end of the next day.
                        sigpic87 325E The Honey Badger

                        Comment

                        • Ether-D
                          R3VLimited
                          • Sep 2011
                          • 2838

                          #13
                          I feel ya. Mine goes down for a month sometimes for augmentation. It's been down a solid ten days now just waiting for a head gasket n such. But I have a 4runner also.
                          Originally posted by Andy.B
                          Whenever I am about to make a particularly questionable decision regarding a worryingly cheap diy solution, I just ask myself, "What would Ether-D do?"
                          1987 325iS m30b34 Muscle car (Engine electrical phase)
                          ~~~~~~~~~~
                          I was born on 3/25…
                          ~~~~~~~~~~

                          Comment

                          • E30NJ
                            E30 Modder
                            • Aug 2013
                            • 921

                            #14
                            Keep it original, put another M20 in it.

                            Comment

                            • iceman
                              Advanced Member
                              • Jan 2011
                              • 149

                              #15
                              ^Yeah if I had bought my car with an m20 in it, I would have just upgraded that. I think if you are going to take the trouble to swap, I recommend you go for an M5x because it is easier to maintain, more reliable, plenty powerful, affordable, and more efficient.

                              For maintenance, the m5x doesn't need valve adjustments, there is no distributor to wear out, no timing belts to change, and replacement sensors are usually cheap.

                              M5x motors can be pretty cheap, I got a clean m50b25tu for $300.

                              Other than that, they are more efficient than the m20 or m30. They use full sequential fuel injection, wide band oxygen sensor, maf sensors, dohc, and vanos.

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