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  • Block Strengthening Plate

    Does anyone have any information on this? It goes above the MS oil pan. Any part number? Yes, I did a search.

    Thanks
    Several E30 M3's.

    More than I need but not as many as I want....

  • #2
    I am not sure exactly what information you are looking for...?

    I have seen block stiffening plates on a lot of Japanese 4cylinder engines, but generally only on those with aluminum blocks. Their function is to keep the main bearing caps as rigid as possible in relation to one another.

    I am not certain how much benefit this would be on the S14, as I think the block is already regarded as being pretty rigid.

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    • #3
      Maybe a good thing for the older version 2.5 or 2.3 as the 2.5 blocks from BMW are much stronger around the main bearing bolt mounting area. I'd be interested if anything is found.
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      • #4
        I can get one done if you are interested.
        Esa

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        • #5
          this here?


          Markus

          http://www.bmwm3shop.de

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          • #6
            Originally posted by Markus View Post
            this here?


            Markus
            I really question how much that design of plate would do....

            The ones I have seen on Japanese four cylinder engines always tie into the main bearing caps.

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            • #7
              I've been looking for one also. It really helps the turbo cars, and probably the DTM, high-rev, high power engines too, since they ran them.

              Are they available, Markus? I can get them from Sweden, but they require a modified setup if run with the Evo oil pump.
              Last edited by Anders; 12-21-2009, 08:47 AM.
              Anders

              "Objects in mirror are losing..."

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              • #8
                My thoughts is that they would tie the main caps not like a plate as Markus has shown. I have never seen anything of the sort on an S14, Group A cars I have seen, and DTM cars I have seen. Not that it doesn't exist but...

                The Plate Markus shows looks like it would go where a scraper plate for windage would go. I do not see how this would add any reasonable amount of rigidity as it would be sandwiched between gaskets and does not look thick enough. The stiffening would be negligible.

                Cheers.
                -Matt

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                • #9
                  That one looks similar to this one. I think its genuine Motorsport..



                  http://www.s14.net/forums/showthread.php?t=37750

                  BTW, anyone have one of these...

                  http://cgi.ebay.com/ebaymotors/BMW-2...#ht_500wt_1182

                  Looks even beefier.

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                  • #10
                    Originally posted by Matts M3 View Post
                    I do not see how this would add any reasonable amount of rigidity as it would be sandwiched between gaskets and does not look thick enough. The stiffening would be negligible.
                    I share that opinion. It isn't a proper mains girdle.

                    The 7-bolt 4G63 in my Mitsu EVO VIII comes with a heavy, cast iron mains girdle like so:


                    Something like this is needed to effectively prevent mains walk. But then again, this discussion is hugely academic to a 200-250whp NA street-grade 4-banger.
                    2003 Mitsu EVO VIII - 2.0L / 600+whp
                    1988 BMW M3 turbo - Work in progress. . .
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                    • #11
                      m3guru, the auction you linked for the crank scraper shows one made by these guys:
                      http://www.crank-scrapers.com/bmw.html

                      They even have one with self-clearancing teflon scrapers.

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                      • #12
                        I have a gruppe A oil pan and the reinforcement plate is needed to get the proper clearance between the sump and the pan. Where can I get one?
                        Last edited by inastrangeland; 12-21-2009, 01:34 PM.
                        Several E30 M3's.

                        More than I need but not as many as I want....

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                        • #13
                          Originally posted by Markus View Post
                          this here?


                          Markus

                          Yes. this one.
                          Several E30 M3's.

                          More than I need but not as many as I want....

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                          • #14
                            Originally posted by ColinM View Post
                            m3guru, the auction you linked for the crank scraper shows one made by these guys:
                            http://www.crank-scrapers.com/bmw.html

                            They even have one with self-clearancing teflon scrapers.
                            Thanks Colin.

                            My M3 Blog Updated Regularly!
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