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  1. Shadetreeguy

    Mep531a.wont start or hit

    Ok.now I know a lot more bout how this think works.lol I had to tear the motor apart to figure it out and its really a simple setup.I figured out my problem.I just don't understand how it could have bad rings with only 200 hours.anyone know how that's possible??? I filled cylinder full last...
  2. Shadetreeguy

    Mep531a.wont start or hit

    What exactly are you describing as fuel timing.I pulled the fuel pump off the side and cranked it over few times and stuck it back in there.is there a certain way to install it or is there something I'm over looking.it looks like a old school Chevy set up honestly.runs off the cam
  3. Shadetreeguy

    Mep531a.wont start or hit

    See anyone looking for a mep531a that has 100+ hours with a starting problem ill take 400 for it.in in Wayne,West Virginia.
  4. Shadetreeguy

    Mep531a.wont start or hit

    Ill try to add some water or thin oil and see if it leaks pressure
  5. Shadetreeguy

    Mep531a.wont start or hit

    I've downloaded a couple different manuals but don't believe they are right and I honestly believe the seal is my problem bc like I said the injector almost falls I to place
  6. Shadetreeguy

    Mep531a.wont start or hit

    I'm using a compression tester and a battery with electric start.I really believe that injector seal has something to do with my problem
  7. Shadetreeguy

    Mep531a.wont start or hit

    And it wasn't all oil when I drained it.it was half oil half fuel.the guy I got it from acted like it ran perfect but believe he was just saying that so I'd buy it
  8. Shadetreeguy

    Mep531a.wont start or hit

    Well I drained the oil and tried starting it again and nothing again.and without oil on top of cylinder it only has 120 psi.I'm guessing that rings may be stuck or bad rings or possibly bad valves.I'm gonna try the marvel oil today.is there anyway that the seals that seal the injector is...
  9. Shadetreeguy

    Mep531a.wont start or hit

    Ppoured oil in cylinder it jumped to 280 and hit so now what
  10. Shadetreeguy

    Mep531a.wont start or hit

    OK.ill start eliminating stuff.so 120psi is to low?. I didn't see any bushings or seals or orings on the injector.and I haven't put any new oil in it yet to find out how much fuel is getting in the crankcase but when I pulled the dipstick when I got it it was pouring out.on level surface.and...
  11. Shadetreeguy

    Mep531a.wont start or hit

    OK.check compression.120 pounds should be Plentys to run.?????would the injector cause this.if so ill order one now
  12. Shadetreeguy

    Mep531a.wont start or hit

    Ok.I'm trying to find away to test compression now.I've got a compression tester but its to big.but ill rig something to fit.what are you guys calling the IP..is it what I'm calling the fuel pump.I ordered a new one and same thing.its spitting bubble from bottom of it when I'm cranking it...
  13. Shadetreeguy

    Mep531a.wont start or hit

    I changed the fuel pump.its getting fuel to the injector.and had the injector out while cranking it and it was spitting fuel good out of the injector.but I noticed that the crankcase was full of diesel fuel.would the oil sensor keep it from running.it seemed like to me that if it was getting...
  14. Shadetreeguy

    Mep531a.wont start or hit

    Just purchased a mep531a and started messing with it try to get it running but for some odd reason it's filling crankcase full of fuel.I first thought it had a bad fuel pump so I changed it and bled the lines and truer again then I found the oil level was laying in my floor when I opened the...
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