Header selection ? for M50 swap

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  • FredK
    R3V OG
    • Oct 2003
    • 14745

    #31
    I bet you could get more scavenging by installing a little triangular point at the center of those asian headers. You should be able to source such a thing at coneeng.com.

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    • madjurgen
      E30 Fanatic
      • May 2005
      • 1203

      #32
      Originally posted by FredK
      I have a 140A MIG and at the time I tried to plug the header flanges, I was very inexperienced at welding. I'm a little better now, so I know with plenty of preheat that I could lay down a bead that'd be good enough to plug the channel, using stainless wire.
      Thanks for addressing the question I was too embarrassed to ask.

      As time went on, the factory developed the car each year, making it faster, more comfortable, and capable of handling at higher speeds.
      You don’t want this. You want the trickiest, most dangerous, oldest model you can find. Only then can you prove to the world that you’re a man.

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      • nando
        Moderator
        • Nov 2003
        • 34827

        #33
        Originally posted by FredK
        I bet you could get more scavenging by installing a little triangular point at the center of those asian headers. You should be able to source such a thing at coneeng.com.
        yeah, that's how RD headers were built. It's certainly better than the straight cut. or you could cut the collectors off, buy some nice merges and weld them on.. but the merges would probably cost 3x more than the headers :p
        Build thread

        Bimmerlabs

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        • sixsixii
          Wrencher
          • Jun 2009
          • 273

          #34
          Originally posted by bejbis
          I have the obd2 headers. To make them fit better, I cut the front header about 3 inches from the flange and clocked it so it wouldn't point straight at the subframe.

          -Dan

          How did this option work out for you in the end? I'm interested in doing this for my s52 swap.
          Last edited by sixsixii; 05-19-2010, 09:24 PM.

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          • xwill112x
            Θέλησα έναν τίτλο συνήθειας, απορροφώ για να είμ&#
            • Jan 2009
            • 4237

            #35
            so whats the best brand of cheap 24v headers?
            sigpic

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            • 619E30
              E30 Mastermind
              • Feb 2010
              • 1753

              #36
              Originally posted by rosphill
              http://cgi.ebay.com/ebaymotors/BMW-E...Q5fAccessories

              Would these headers work good for my E30 M50 swap?
              I wonder if the stock manifold downtubes would work with em?
              thx
              Haha. That place is like 2 miles away from my house, my pick these up if they have another pair
              Originally posted by audiquattrot
              bimmers b4 b*tches....remember that.
              1990 Alpinweiss 325i - secret 500whp build
              2000 Audi S4 B5 Laser Red
              1990 Nissan 240sx - Drift Missile
              2006 CBR600RR

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