eng. compression

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  • woodman1
    Low Range
    • May 2010
    • 37

    eng. compression

    Does anyone out there know what the compression on a 2.25 with a 7:1 head?
  • bachelier
    Low Range
    • Aug 2009
    • 17

    #2
    145 lbs
    I've done my reading dry and wet.
    I'm not shure if it's a 7 or 8:1. I think it's a late 7:1.
    The results:
    #1: 135/160
    #2: 135/150
    #3: 123/165
    #4: 137/ 160

    Is there someone who can comment on my results?

    Comment

    • SafeAirOne
      Overdrive
      • Apr 2008
      • 3435

      #3
      From the WSM:

      --Mark

      1973 SIII 109 RHD 2.5NA Diesel

      0-54mph in just under 11.5 minutes
      (9.7 minutes now that she's a 3-door).

      Comment

      • Billy5
        1st Gear
        • Aug 2010
        • 172

        #4
        There should be an 8 stamped on the head if its 8-1. It appears that two things are going on. The first is a possible head gasket failure between the cylinder ( # 3 is quite a bit lower than the rest) and two, the rings are failing, thats why your compression jumps up so much during the wet test. I do believe.
        1969 Series 2a Bugeye

        Comment

        • Revtor
          2nd Gear
          • Apr 2012
          • 265

          #5
          You may have an inconsistency but those #'s seem pretty good for a 40 yr old engine.
          ---- 1969 Bugeye ----
          ---- 1962 Dormobile ----

          Comment

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