Cylinder head questions

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  • MR 325
    Moderator
    • Oct 2003
    • 37825

    #16
    I would 100% ditch that AMC head and get a good OEM BMW 885 on there.
    BimmerHeads
    Classic BMW Specialists
    Santa Clarita, CA

    www.BimmerHeads.com

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    • Cabriolet
      R3V OG
      • Apr 2010
      • 9620

      #17
      Originally posted by promo
      I'm a BMW newb.

      I have an 87 325ES, I'm "upgrading" to a 2.7i, well.. trying. I'm thinking at this moment it'd just be easier to fix the stock (ES) head and say screw it until I have the funds available to finish the car. It's a LeMons car, but at the moment it's my DD until I can work a few issues out.
      If you don't have a whole lot of funds just get another "200" eta head. an eta is slow but a great DD, because of the low end torque. to upgrade to a 2.7i u need a I DME, wiring harness, head, injectors and after all that you still have a lower compression engine. i've head something like ~8:1, where as the eta has a ~9:1 making it pretty darn efficient.

      after doing a full top end refresh on my 86 ES 2.93lsd. i did a drag against my 325i vert/auto/4.10open and it was near equal @60mph, the eta had the lead till about 50mph and then i passed it after 70mph.
      Much wow
      I hate 4 doors

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      • promo
        Noobie
        • Feb 2012
        • 30

        #18
        Damn.

        Wonder if I can sell the AMC head for parts?

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        • MrNatural
          Wrencher
          • Apr 2008
          • 237

          #19
          You could pull the cam from the AMC and put it and the dual valve springs in the eta head, have the shop drill the extra journal holes,deck it and then put it on your car with all the i parts ecu, harness, tb, injectors, intake etc...it will have some get up then!
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