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Recent content by mat76

  1. M

    Issues with roosa master from 580 bck

    Oil level is good and steady It start pretty good by itself with 10/15 second of glow plug I wish I had the budget to rebuild the engine but I don't....
  2. M

    Issues with roosa master from 580 bck

    They are not that high , that engine has a lots of hour , they are all running around 290, #2 and #3 are the lowest and yet they are the one running best....
  3. M

    Issues with roosa master from 580 bck

    Compression on cylinder has been done and was ok , that's what throwing me off !! Guide were within tolerance and I kept the original springs as they are extremely hard to find here...
  4. M

    Issues with roosa master from 580 bck

    Well anyway thanks a lots for the help and all the mastery !!!Engine starts effortlessly and has enough power for the hydraulics, it's a progress! The head has been entirely redone ( surfaced , valve seat and valve ) So it's either the rings or a cracked sleeve , but weirdly enough the...
  5. M

    Issues with roosa master from 580 bck

    I tried but same The engine is running much stronger though And now the damn thing won't move forward or backward
  6. M

    Issues with roosa master from 580 bck

    Morning, The news , pump is back in and timed I got #1 running, little misses at wot , I'd say good enough , but the #4 still not running....
  7. M

    Issues with roosa master from 580 bck

    Quick question I have a doubt , the automatic advance system So one piston on one side and a spring on the other The power piston goes in cc side or c side ?
  8. M

    Issues with roosa master from 580 bck

    Sorry I type wrong , I did set it up to 1955
  9. M

    Issues with roosa master from 580 bck

    Ok I put 100psi in the inlet #4 My micrometer only goes to 40mm too small for it I managed to get 1.995 What should I check next before putting it back together? Also I cleaned up better the cam ring
  10. M

    Issues with roosa master from 580 bck

    Does it have to be precisely 90 psi ?
  11. M

    Issues with roosa master from 580 bck

    And just that could explain my problem ?
  12. M

    Issues with roosa master from 580 bck

    I mean free to move but can't go further than what the leaf spring allows right ? They slide up down easily and once the leaf spring remove yes they fall almost by themself Is there supposed to have a spring in between the two.sliding pin ?
  13. M

    Issues with roosa master from 580 bck

    Yes the picture where on opening the pump , I cleaned everything up and the roller were free to move , reassembled everything with gasoil
  14. M

    Issues with roosa master from 580 bck

    Cam ring was right Do you see anything wrong in these pictures?
  15. M

    Issues with roosa master from 580 bck

    Thank you for your help I really appreciate!! Pump is dbgfcc 431-46aj Ill get the pump open and send more pictures I need to get my hand in my micrometer too, we just moved, it's hard to find stuff , would a caliper be enough?
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