M42 radiator fitment

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  • BrewCity11
    R3VLimited
    • Mar 2008
    • 2335

    #16
    Originally posted by Naplm00

    This is where i get fuzzy:
    use splicer to connect feed tube from old res to new rad mountd res?
    #13, in a late model car, comes up from the frame rail area. All you need to do is cut it at the frame rail, insert the splicer and add another length of hose to the m42 rez.

    For those of you not running power steering (clearance issues i believe, not 100%), and want more cooling capacity, the E34 525i radiator is M20 sized and has the attached rez as well.
    Attached Files
    turk@gutenparts.com

    Originally posted by Janderson
    Properly placed zip ties will hold bridges together.

    Comment

    • Jand3rson
      Banned
      • Oct 2003
      • 37587

      #17
      I still have my power steering, but I wouldn't have a problem with more cooling capacity. Would I be able to use the E34 unit?

      My car is an early-body as well, which leads to another question. Do I need to swap to the late-model water pump to make this work?

      Comment

      • Naplm00
        E30 Mastermind
        • Nov 2008
        • 1573

        #18
        Originally posted by Wh33lhop
        ..Wait, you actually went out and spent money on a 4.7 fuck-all turn lock-to-lock manual rack? Being a man and going with a quicker one too much to ask? ;)

        I ot it from AC nico, im not sure of the LTL turns, i know it has quicker ratio at the egdes of the rack. and it was only 100 bucks
        88 325ic ~~~> Rusty and ugly
        85 E ~~~> RIP

        Comment

        • Naplm00
          E30 Mastermind
          • Nov 2008
          • 1573

          #19
          Originally posted by BrewCity11
          #13, in a late model car, comes up from the frame rail area. All you need to do is cut it at the frame rail, insert the splicer and add another length of hose to the m42 rez.

          For those of you not running power steering (clearance issues i believe, not 100%), and want more cooling capacity, the E34 525i radiator is M20 sized and has the attached rez as well.

          whre does the other end of the #13 circut go? is that the feed or turn line for the heatercore?
          88 325ic ~~~> Rusty and ugly
          85 E ~~~> RIP

          Comment

          • Naplm00
            E30 Mastermind
            • Nov 2008
            • 1573

            #20
            Originally posted by Janderson
            I still have my power steering, but I wouldn't have a problem with more cooling capacity. Would I be able to use the E34 unit?

            My car is an early-body as well, which leads to another question. Do I need to swap to the late-model water pump to make this work?

            I dont think so, the way i understand it now you actully have a extra output on your waterpump ( for some god forsaken reason I have a early pump on my late car) THis output can be used to feed the res on the tank mounted radiator, becaused usually it is feeding the rez that is sitting attached to tthe inside of the engine bay
            88 325ic ~~~> Rusty and ugly
            85 E ~~~> RIP

            Comment

            • MR 325
              Moderator
              • Oct 2003
              • 37825

              #21
              Originally posted by Wh33lhop
              Hmm, I'll have to look into that. Zipties work, but they're not exactly the cleanest install. Thanks man.
              The late model radiator mount is only like $12 new, or you can always score one at the yards.
              BimmerHeads
              Classic BMW Specialists
              Santa Clarita, CA

              www.BimmerHeads.com

              Comment

              • MR 325
                Moderator
                • Oct 2003
                • 37825

                #22
                Originally posted by Janderson
                I still have my power steering, but I wouldn't have a problem with more cooling capacity. Would I be able to use the E34 unit?

                My car is an early-body as well, which leads to another question. Do I need to swap to the late-model water pump to make this work?
                The E34 radiator will NOT fit.

                Yes you would need a late model water pump as well.
                BimmerHeads
                Classic BMW Specialists
                Santa Clarita, CA

                www.BimmerHeads.com

                Comment

                • Jand3rson
                  Banned
                  • Oct 2003
                  • 37587

                  #23
                  So I would need an M42 radiator, with late-model water pump?

                  Comment

                  • Jand3rson
                    Banned
                    • Oct 2003
                    • 37587

                    #24
                    Let's keep this going, I'm still very interested in doing this. Any new info to report? I'm going to start looking for a good condition one soon, and start getting to work on this.

                    Comment

                    • Naplm00
                      E30 Mastermind
                      • Nov 2008
                      • 1573

                      #25
                      Im still in limbo, and wont be doing this work unitil the springtime.

                      I would stil like to know what is on the other end of circut #13 in the above picture
                      88 325ic ~~~> Rusty and ugly
                      85 E ~~~> RIP

                      Comment

                      • nando
                        Moderator
                        • Nov 2003
                        • 34827

                        #26
                        I've pretty much decided I have to do this to fit a proper shield on my intake. maybe I'll just go ahead and order the parts this week.
                        Build thread

                        Bimmerlabs

                        Comment

                        • SpecM
                          R3V Elite
                          • Oct 2005
                          • 4531

                          #27
                          Originally posted by Naplm00

                          Also anyone knwo if i can remove the front pulley from the crank without issues? Dont think ill need it anymore
                          anyone have anything to add to this?
                          1989 cirrisblau-metallic 325i

                          Comment

                          • nando
                            Moderator
                            • Nov 2003
                            • 34827

                            #28
                            you need it for the water pump and alternator at minimum
                            Build thread

                            Bimmerlabs

                            Comment

                            • SpecM
                              R3V Elite
                              • Oct 2005
                              • 4531

                              #29
                              Originally posted by nando
                              you need it for the water pump and alternator at minimum
                              yes, but what about the smaller, two-groove pully that sits at the very end?
                              1989 cirrisblau-metallic 325i

                              Comment

                              • Naplm00
                                E30 Mastermind
                                • Nov 2008
                                • 1573

                                #30
                                Originally posted by SpecM
                                yes, but what about the smaller, two-groove pully that sits at the very end?

                                yep thats what im askin, it attaches with 6 m8 bolts i think and wave washers
                                88 325ic ~~~> Rusty and ugly
                                85 E ~~~> RIP

                                Comment

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