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  4. Chapter GMW | E30 LS1 (starting on post #1427)

Chapter GMW | E30 LS1 (starting on post #1427)

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  • DrLeadFootD
    DrLeadFootD
    DrLeadFoot
    wrote on last edited by
    #676

    http://www.jegs.com/p/Moroso/Moroso-Crankcase-Evacuation-System/751825/10002/-1

    15924991875a64c599885m.jpg

         @DrLeadFoot

    1 Reply Last reply
    0
    • jc43089J
      jc43089J
      jc43089
      wrote on last edited by
      #677

      So it isn't a vacuum, just a low pressure, it attaches post turbo right?  There will still be some pressure.  I am not sold on this setup.  Why not just a catch can vented to atmosphere?  I understand that you don't want oil going into the turbo inlet so this would be the next best thing.

      2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
      3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
      '89 325i Vert, Alpine White: 5spd swapped, sold.

      '04 Toyota Sienna: 24V to 24V swap in progress

      '05 Volvo V70R, 6spd.  200k
      '85 Toyota LandCruiser: Lifted, gas hog. 205k
      '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

      1 Reply Last reply
      0
      • DrLeadFootD
        DrLeadFootD
        DrLeadFoot
        wrote on last edited by
        #678

        My crank case set up goes from the valve cover vent--->catch can--->exhaust vacuum.

        If you pull vacuum from the crank case it makes more power from what I've heard from drag racing / turbo guys.

        15924991875a64c599885m.jpg

             @DrLeadFoot

        1 Reply Last reply
        0
        • B
          B
          B C
          wrote on last edited by
          #679

          I see a lot of people running the crankcase vent to the exhaust. I have mine run to a catch can then to a port just downstream of the air filter. 
          the turbo inlet is completely dry and oil free and the catch can is doing its job. So far so good. Not sure if its more of a concern on a 24v though.

          1 Reply Last reply
          0
          • Bassboy3313B
            Bassboy3313B
            Bassboy3313
            wrote on last edited by
            #680

            Snap said:

            I see a lot of people running the crankcase vent to the exhaust. I have mine run to a catch can then to a port just downstream of the air filter. 

            the turbo inlet is completely dry and oil free and the catch can is doing its job. So far so good. Not sure if its more of a concern on a 24v though. 

            This is how I have my catch can setup too on my turbo m10.

            CHECK OUT >>> RAGE DRIFT DESIGNS <<< FOR DECALS AND MORE!

            1 Reply Last reply
            0
            • jc43089J
              jc43089J
              jc43089
              wrote on last edited by
              #681

              My point is, that if it is connected to the exhaust it is not a vacuum.  If it was then air would be going the wrong way through your exhaust system.  It may be a convenient way to get rid of the crankcase venting but it is not a vacuum.

              2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
              3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
              '89 325i Vert, Alpine White: 5spd swapped, sold.

              '04 Toyota Sienna: 24V to 24V swap in progress

              '05 Volvo V70R, 6spd.  200k
              '85 Toyota LandCruiser: Lifted, gas hog. 205k
              '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

              1 Reply Last reply
              0
              • B
                B
                B C
                wrote on last edited by
                #682

                fluid moving past an orifice CAN produce a vacuum as molecules get dragged into the airstream. I believe the Dr said it had a check valve to keep from going the wrong direction when I was picking his brain on the matter.

                1 Reply Last reply
                1
                • EarlE
                  EarlE
                  Earl
                  wrote on last edited by
                  #683

                  Snap said:

                  fluid moving past an orifice CAN produce a vacuum as molecules get dragged into the airstream. I believe the Dr said it had a check valve to keep from going the wrong direction when I was picking his brain on the matter.

                   venturi effect=)

                  museum sig 2earl.jpg

                  1 Reply Last reply
                  0
                  • jc43089J
                    jc43089J
                    jc43089
                    wrote on last edited by
                    #684

                    Ahh, if it is a venturi device then that makes sense.  That didn't occur to me.  I would be curious to see with a gauge or manometer tube to see how much vacuum it produces at different engine speeds/loads.

                    2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
                    3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
                    '89 325i Vert, Alpine White: 5spd swapped, sold.

                    '04 Toyota Sienna: 24V to 24V swap in progress

                    '05 Volvo V70R, 6spd.  200k
                    '85 Toyota LandCruiser: Lifted, gas hog. 205k
                    '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

                    1 Reply Last reply
                    0
                    • DrLeadFootD
                      DrLeadFootD
                      DrLeadFoot
                      wrote on last edited by
                      #685

                      Got the crank sprocket off.

                      The carnage:

                      vatapuga.jpg

                      ehe8epuv.jpg

                      15924991875a64c599885m.jpg

                           @DrLeadFoot

                      1 Reply Last reply
                      0
                      • B
                        B
                        B C
                        wrote on last edited by
                        #686

                        is it a dual row chain for the cams, or is that sprocket strictly only for the oil pump?

                        1 Reply Last reply
                        0
                        • DrLeadFootD
                          DrLeadFootD
                          DrLeadFoot
                          wrote on last edited by
                          #687

                          yqanyzun.jpg

                          One row is for the pump the other for the timing.

                          I'm glad I noticed these rounded off teeth. Worse than expected.

                          15924991875a64c599885m.jpg

                               @DrLeadFoot

                          1 Reply Last reply
                          0
                          • B
                            B
                            B C
                            wrote on last edited by
                            #688

                            Is that normal tooth wear for those? or did something cause it to wear more severely?

                            1 Reply Last reply
                            0
                            • DrLeadFootD
                              DrLeadFootD
                              DrLeadFoot
                              wrote on last edited by
                              #689

                              Not normal at all. The chain flopping around when the pump snapped had to round them off.

                              15924991875a64c599885m.jpg

                                   @DrLeadFoot

                              1 Reply Last reply
                              0
                              • DrLeadFootD
                                DrLeadFootD
                                DrLeadFoot
                                wrote on last edited by
                                #690

                                Does anyone have a TDC flywheel locking pin?  Or could make one?

                                Specs:

                                http://www.advrider.com/forums/attachment.php?attachmentid=219972&stc=1&d=1258414732

                                I will be making my own camshaft lock tool:

                                http://forums.bimmerforums.com/forum/showthread.php?1814850-Cheap-DIY-Cam-locking-tool-for-Vanos-install

                                15924991875a64c599885m.jpg

                                     @DrLeadFoot

                                1 Reply Last reply
                                0
                                • T
                                  T
                                  tsweers89
                                  wrote on last edited by
                                  #691

                                  DrLeadFoot said:

                                  Does anyone have a TDC flywheel locking pin?  Or could make one?

                                  Specs:

                                  http://www.advrider.com/forums/attachment.php?attachmentid=219972&stc=1&d=1258414732

                                  I will be making my own camshaft lock tool:

                                  http://forums.bimmerforums.com/forum/showthread.php?1814850-Cheap-DIY-Cam-locking-tool-for-Vanos-install

                                  This is soo ghetto. hahaha. Why do this when you can go to concours and ask todd or burger to borrow them for the weekend or such. Not like they use them at the dealer everyday.

                                  1 Reply Last reply
                                  0
                                  • DrLeadFootD
                                    DrLeadFootD
                                    DrLeadFoot
                                    wrote on last edited by
                                    #692

                                    I'll do that!  Timmy, you are always pulling through!!

                                    15924991875a64c599885m.jpg

                                         @DrLeadFoot

                                    1 Reply Last reply
                                    0
                                    • DrLeadFootD
                                      DrLeadFootD
                                      DrLeadFoot
                                      wrote on last edited by
                                      #693

                                      I will be getting the VAC harmonic dampener. I tried to order it today but they didn't have time to process my order. I called twice. Great products, phones... not so much.

                                      15924991875a64c599885m.jpg

                                           @DrLeadFoot

                                      1 Reply Last reply
                                      0
                                      • DrLeadFootD
                                        DrLeadFootD
                                        DrLeadFoot
                                        wrote on last edited by
                                        #694

                                        Got this over the weekend.

                                        a6araheg.jpg

                                        Is anyone familiar with timing the S52 that could swing by my house and make sure I have it correct? Willing to pay $$$

                                        15924991875a64c599885m.jpg

                                             @DrLeadFoot

                                        1 Reply Last reply
                                        0
                                        • DrLeadFootD
                                          DrLeadFootD
                                          DrLeadFoot
                                          wrote on last edited by
                                          #695

                                          Thanks Jeff!!!!!

                                          6u6unyju.jpg

                                          15924991875a64c599885m.jpg

                                               @DrLeadFoot

                                          1 Reply Last reply
                                          0

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