lister D compression

Discussion in 'Help Wanted' started by dutch, Aug 26, 2005.

  1. dutch

    dutch New Member

    Hi everyone

    I got my first lister D engine a few months ago,after setting the points gap to roughly 15 thou the engine started.I did a compression test and got 85 psi reading,after changing the oil ( i used a high detergent diesel oil) the reading went up by 5 psi, can someone tell me what the compression should be & what is the correct point gap.

    cheers dutch
  2. boblester

    boblester Member

    I have no idea what the compresion should be but as long as it has a good firm resistance on the compresion stroke it will run all day, I have had look through my manuals but it does not quote a points gap allthough the cardboard of match box is normally perfect, sorry to be a bit rough and ready but thats how theses engines were looked after and they very rarely give any trouble.

  3. dutch

    dutch New Member

    Hi boblester

    Thanks for your reply, do you know what grade of oil should be in the engine as the detergent oil thats in it at the moment is a bit on the thin side as it is modern engine oil.Will running the engine at a slower speed than the 700 rpm do any damage.

    Thanks dutch.
  4. boblester

    boblester Member

    I know alot of people run on multigrade oils like the 15/50 styles but a perfer to use a SAE30 oil which you can normaly get from farm suppliers, it tends to be a bit thicker and cling to the insides a bit better, this is what is recomended in the manual.

  5. boblester

    boblester Member

    I was reading an old SE mag last night and it had some Lister D info, the points gap should be 0.010 - 0.012 of an inch.


  6. Stevethegrease

    Stevethegrease New Member

    Thats the thickness of the cardboard on a fag packet then ..
    The plug gap is the thickness of cardboard on a matchbox.
    Well roughly anyway
    Steve the grease

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