Turbo time for my S50 on a "budget"

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  • BMW_TUNER
    E30 Fanatic
    • Jul 2006
    • 1377

    #151
    Pulled the head and came. They are in great shape. #2 piston is sitting 6-7mm lower than the rest. Apparently I was making to much power for the forged K1 H beam rods. Hope to pull the motor tomorrow and lay the rods on the bench I have a feeling the bend is significant.
    1989 332IS -S-Fiddy Four-Some weight removed.
    5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

    Comment

    • BMW_TUNER
      E30 Fanatic
      • Jul 2006
      • 1377

      #152
      1989 332IS -S-Fiddy Four-Some weight removed.
      5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

      Comment

      • TheTacoMan
        R3VLimited
        • Nov 2011
        • 2308

        #153
        Ive never seen that, crazy...

        Comment

        • BMW_TUNER
          E30 Fanatic
          • Jul 2006
          • 1377

          #154
          It reminds me of that college question
          What is the fastest way between any two points on the face of the earth...........
          a curved line, a zig zag or a straight line. Lots of people say a straight line but the earth is curved. HAHA.

          Given that it has dropped I could drag out some old geometry and trig and figure out the arc before I pull the bottom end but at this point its safe to say that its bad.
          1989 332IS -S-Fiddy Four-Some weight removed.
          5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

          Comment

          • BMW_TUNER
            E30 Fanatic
            • Jul 2006
            • 1377

            #155

            If this is #2 Rod he ain't that straight any more.
            1989 332IS -S-Fiddy Four-Some weight removed.
            5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

            Comment

            • ian e30 318is
              E30 Mastermind
              • Mar 2007
              • 1804

              #156
              So are you replacing rods and keeping the turbo setup?

              1991 LS1 Swapped 318is
              Instagram:
              https://instagram.com/saltybeast/
              LS Build Thread:
              https://www.r3vlimited.com/board/for...s-e30-ls1-swap

              Comment

              • BMW_TUNER
                E30 Fanatic
                • Jul 2006
                • 1377

                #157


                I do not advise anyone purchase K1 Rods. They did this on 12 psi.
                1989 332IS -S-Fiddy Four-Some weight removed.
                5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                Comment

                • BMW_TUNER
                  E30 Fanatic
                  • Jul 2006
                  • 1377

                  #158
                  Originally posted by ian e30 318is
                  So are you replacing rods and keeping the turbo setup?

                  No moving on to S54 NA
                  1989 332IS -S-Fiddy Four-Some weight removed.
                  5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                  Comment

                  • Sh3rpak!ng
                    R3VLimited
                    • Jan 2014
                    • 2667

                    #159
                    Originally posted by BMW_TUNER

                    I do not advise anyone purchase K1 Rods. They did this on 12 psi.
                    Jesus wtf

                    Sent from my SM-G920T using Tapatalk
                    '89 325i OBD2 S52 BUILD THREAD
                    Shadetree30

                    Comment

                    • Dagamus(NM)
                      E30 Addict
                      • Mar 2010
                      • 590

                      #160
                      Originally posted by BMW_TUNER


                      I do not advise anyone purchase K1 Rods. They did this on 12 psi.
                      Jeez, that is crazy. I wonder if others have had this experience.
                      sigpic
                      Gun control means using both hands
                      Sex, Drugs, Rock 'n roll. Pick two.

                      Comment

                      • BMW_TUNER
                        E30 Fanatic
                        • Jul 2006
                        • 1377

                        #161
                        According to a quick google search....yes.
                        1989 332IS -S-Fiddy Four-Some weight removed.
                        5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                        Comment

                        • Dagamus(NM)
                          E30 Addict
                          • Mar 2010
                          • 590

                          #162
                          Yeah, google did confirm that. I wonder how their failure rate compares to others. Was it predetonation that caused this?

                          Megasquirt plug and play is sounding better and better.
                          sigpic
                          Gun control means using both hands
                          Sex, Drugs, Rock 'n roll. Pick two.

                          Comment

                          • BMW_TUNER
                            E30 Fanatic
                            • Jul 2006
                            • 1377

                            #163
                            Originally posted by Dagamus(NM)
                            Yeah, google did confirm that. I wonder how their failure rate compares to others. Was it predetonation that caused this?

                            Megasquirt plug and play is sounding better and better.
                            Very unlikely as the timing was concervative and the comp ratio was so low.
                            1989 332IS -S-Fiddy Four-Some weight removed.
                            5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                            Comment

                            • Dagamus(NM)
                              E30 Addict
                              • Mar 2010
                              • 590

                              #164
                              So just gross material failure? No evidence of hydrolock...
                              sigpic
                              Gun control means using both hands
                              Sex, Drugs, Rock 'n roll. Pick two.

                              Comment

                              • BMW_TUNER
                                E30 Fanatic
                                • Jul 2006
                                • 1377

                                #165
                                It is all out material failure. I think JE should stick to making Pistons those looked good on disassembly.
                                1989 332IS -S-Fiddy Four-Some weight removed.
                                5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                                Comment

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