Need oil burning help

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  • a_thomasmr23
    Advanced Member
    • Nov 2008
    • 152

    #16
    valve stem seals are from german auto parts in there seal kit

    what where is the crankcase vent and plugs? is that what the metal tube under the intake is call?
    bring it http://athomasmr23.mybrute.com

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    • Hallen
      E30 Enthusiast
      • Dec 2007
      • 1008

      #17
      Originally posted by a_thomasmr23
      valve seals are know good just replaced them when i build the head about 2 months ago. what am i looking for on the crankcase to test? I talking about burning a 1 qt in a 50mi trip over the weekend.

      deff worst off throttle then when idling
      Off throttle usually means either the valve seals or a ventilation problem.

      Since the valve seals are new, it points towards a crank case ventilation problem. Clean out all that gunk, make sure the vacuum lines are clear, not pinched and not leaking, replace the spark plugs (or get them cleaned) and then try it again.

      It's either that, or your piston ring gaps are lined up perfectly on all cylinders.
      1987 E30 325is
      1999 E46 323i
      RIP 1994 E32 740iL
      oo=[][]=oo

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      • a_thomasmr23
        Advanced Member
        • Nov 2008
        • 152

        #18
        sorry worst when on the throttle really bad at wide open
        bring it http://athomasmr23.mybrute.com

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        • Mike
          E30 Modder
          • Nov 2003
          • 932

          #19
          valve guides?
          Supatek -noun - your basic know it all

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          • SpecM
            R3V Elite
            • Oct 2005
            • 4531

            #20
            Originally posted by a_thomasmr23
            sorry worst when on the throttle really bad at wide open
            that sounds like leaky rings
            1989 cirrisblau-metallic 325i

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            • Knockenwelle
              Grease Monkey
              • Jul 2008
              • 395

              #21
              +1. Something must have pissed them off in a hurry.
              sigpic

              Mike

              '91 325i track car. Mostly...

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