help! timing jump'n

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  • scott
    Overdrive
    • Oct 2006
    • 1226

    help! timing jump'n

    i finally started put'n it back together. last night i fired it up for the first time. ran great, then rough as i was timing it then nada. i put it at tdc on popped off the dizzy cap the rotor was pointing nowhere near the no. 1. pulled the dizzy and found tht the drive gear was about 120 degrees off. pulled the oil filter removed the grub screw refitted the drive gear w/the master spline pointing to no.1. put it all back together and stopped for the night. it fired up this morn'n ran for about 30 -45 seconds and would start again. again i put it at tdc and check the rotor. it was 180 degrees off.

    this is a new 2.25 petrol rebuild. new 2.5 cam, new timing chain and gears. old drive gear. could this old gear be so worn that it jumps?
    '64 Series IIA 88 Canvas Tilt
    '68 Series IIA RHD Ambulance
    '76 Spitfire 1500
    '07 LR3 (Series Recovery Vehicle)
  • cachinfool
    Low Range
    • Aug 2007
    • 42

    #2
    Are you sure you were on the compression stroke?
    How come dumb stuff always seems so smart when your doing it?
    David Crockett

    Comment

    • scott
      Overdrive
      • Oct 2006
      • 1226

      #3
      i'm using the flywheel tdc mark. last night set the drive gear w/ its master spline pointing to no.1 and today it's pointing away from no.1
      '64 Series IIA 88 Canvas Tilt
      '68 Series IIA RHD Ambulance
      '76 Spitfire 1500
      '07 LR3 (Series Recovery Vehicle)

      Comment

      • scott
        Overdrive
        • Oct 2006
        • 1226

        #4
        ok now i'm really freak'n confused. i just turn the starter handle 360 degees and the drive gear only rotated 180 degrees. so does 1 revolution of the crank equal 2 strokes?

        post finger in no. 1 spark plug hole edit. dang! i'm a freak'n potato head. i set the dizzy drive gear to point to no.1 on the exhaust stroke instead of the compression. and how stupid not to know that one crank revolution means piston goes down and up (2 strokes) so it takes 2 revs to do four strokes. right now i feel like tommy boy at his lowest.
        '64 Series IIA 88 Canvas Tilt
        '68 Series IIA RHD Ambulance
        '76 Spitfire 1500
        '07 LR3 (Series Recovery Vehicle)

        Comment

        • gudjeon
          5th Gear
          • Oct 2006
          • 613

          #5
          Don't worry we've all been there at some point. If not, they are just not admitting it. This is the learning stuff that makes Land Rovers great thing.

          Comment

          • scott
            Overdrive
            • Oct 2006
            • 1226

            #6
            thanks for that, but i'm going to blame it on the beer...i didn't have any last night and i still don't.
            '64 Series IIA 88 Canvas Tilt
            '68 Series IIA RHD Ambulance
            '76 Spitfire 1500
            '07 LR3 (Series Recovery Vehicle)

            Comment

            • LaneRover
              Overdrive
              • Oct 2006
              • 1743

              #7
              Originally posted by scott
              thanks for that, but i'm going to blame it on the beer...i didn't have any last night and i still don't.
              Blame it on no beer?
              1958 107 SW - Sold to a better home
              1965 109 SW - nearly running well
              1966 88 SW - running but needing attention
              1969 109 P-UP

              http://www.facebook.com/album.php?ai...2&l=64cfe23aa2

              Comment

              • scott
                Overdrive
                • Oct 2006
                • 1226

                #8
                Originally posted by LaneRover
                Blame it on no beer?
                sure, when i've had a few i tend to chill, relax and think about things more, when i'm sober i think i know it all and this time i wasn't even close. heck i was off 180 degrees.
                '64 Series IIA 88 Canvas Tilt
                '68 Series IIA RHD Ambulance
                '76 Spitfire 1500
                '07 LR3 (Series Recovery Vehicle)

                Comment

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