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Subject: Do I need a Major

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Bob E    Posted 04-23-2017 at 11:09:07 [URL] [DELETE]        [Reply] [Email]  
  • Do I need a Major
  • I own a 1945 Ford 2N with a front mount distributer,I do a lot of things from plowing to corn picking. Problem is that I can't seem to get it to run nice anymore. I did a cold dry compression test with the front cylinder being 75, second 60, third 50 and the fourth 70. The oil pressure cold is not over 25kbs and warmed up around 10-12lbs. The tractor does not smoke or use oil to speak of. The tractor runs nice at times but throttling up you can feel and hear the lack of performence. I have replaced the points, condenser and spark plugs. The wires are good, {just a few years old}. All I know is I have to do something or the fun is going to stop.Any ideas out there? Thanks Bob E

    steveVa    Posted 04-24-2017 at 16:34:01 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Do I need a Major
  • You should do the compression test when tractor is warm. First dry then add a small amount of 5w40 to each cyl and do it again. Be sure your battery is charged good for you to get consistent readings.
    Check your fuel flow and your point gap before you do anything drastic.
    You 6 volt or 12 volts??
    Is your oil pressure at idle or at 1500 rpm? makes a big difference.
    Low oil pressure at idle when tractor is hot does not tell much. If it is 5 psi at half throttle then you may have an issue. I would recheck compression, look at point gap and carb settings before I tore it apart...

    Bob E    Posted 04-25-2017 at 07:48:19 [URL] [DELETE]        [Reply] [Email]  
  • Re: Do I need a Major
  • I switched distributors with my other tractor, replaced points and condenser, cleaned carb, sediment bowl, seems the first portion of throttle does not do much. The linkage by governor seems worn. Tractor runs better but not like I want. Have a friend who is going to take a look see. I will retest compression as you said, I was trying to disc on my day off so I did not have a lot of time to do all steps according to the book. The tractor is like me, not as good as I once was. Thanks Bob

    Jim Rushford (CA)    Posted 04-25-2017 at 15:17:53 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Do I need a Major
  • But, you are as good once as you ever was.

    Matt Prysock    Posted 04-29-2017 at 17:48:11 [URL] [DELETE]        [Reply] [Email]  
  • valve stuck open on a 9n ford
  • just got a 9n that been sitting tore head off and 3 valves seem rusted stuck open,tractor turns over by hand so far one way then you must turn the opposite way to move pistons up ,would the stuck valves prevent a full rotation?

    Rustyal    Posted 04-23-2017 at 12:30:01 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Do I need a Major
  • Those numbers are really low for a running tractor. Maybe you could replace the rings and get the numbers up.

    Bruce(OR)    Posted 04-23-2017 at 11:45:37 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Do I need a Major
  • With those comp numbers, you could find another engine and start a rebuild or just re-do yours. Hope that comp check was on a warm engine. Oil pressure is still good for a used engine. Once it drops to about 5 PSI at warm idle, you might really think about rebuilding it.
    A bottle of seafoam as in the link below, might do some good.

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