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top end rebuild "cam questions"

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    top end rebuild "cam questions"

    Need to do a head gasket very soon. I'm getting everything machined and a valve job. Considering a new cam, rockers, header and a chip. Just something off Ebay. Looking for some input . Not looking too spend a fortune either. lol
    Last edited by samboatman; 09-10-2010, 06:51 PM. Reason: added a sentance
    1987 325E 4dr.
    2.7L
    235k and counting
    manuel everything

    #2
    Get new valve springs too.

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      #3
      I'd have your machinst inspect the valve seals, springs, and cams first before you do it. They tend to hold up pretty well. At 200k my head only had to go to the CNC machine once and that was because I forced my mechanic to find an imperfection

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        #4
        Should I keep my original cam @240 k, or getting a different grind REALLY benifit me???. Im looking for better mid range touque?????
        1987 325E 4dr.
        2.7L
        235k and counting
        manuel everything

        Comment


          #5
          cams can be expensive just do a chip for mid range torque. its not very expensive and you can feel the difference right where you want it! cams usually benefit mostly top end.
          Last edited by Killacortes; 09-11-2010, 07:59 PM. Reason: added words
          Originally posted by blunttech
          r3v does not fuck around. First you get banned, then they shoot you

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            #6
            good enough...thanks for all the feed back guys!!
            1987 325E 4dr.
            2.7L
            235k and counting
            manuel everything

            Comment


              #7
              stock cam is pretty cheap - ~$150 or so. If your cam is worn down, a new stock replacement (plus new rockers and springs) is a good idea.
              Build thread

              Bimmerlabs

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                #8
                Only downside to running a new cam is getting the head drilled for a 7 bearing cam opposed to the 4 bearing eta cam.

                I have an 'i' cam and double valve springs for sale. If you wants them, PM me.
                -Alex

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                  #9
                  that takes what, 5 minutes with a drill? it's not exactly rocket science. ;)
                  Build thread

                  Bimmerlabs

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