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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