Posted by dadgummit on December 14, 2013 at 12:24:17 from (50.115.248.157):
Hello Everyone...new to the forum. First off I would like to say that this is a very valuable forum! I have searched on here many times and found the answers to my questions. That being said I am almost at the end of my rope:
I have a 1951 Farmall Super C. It was handed down to me from my Dad. Been sitting for the last 10 years or so. So far we have put almost every oil seal in it. PTO, Axles, Trumpet housings, front seal in transmission, Rear main, oil pan, valve cover, front cover, front seal, governer seal. New water pump, new radiator. I think we are about to get all the leaks stopped... :lol:
Tractor starts really really well, runs like a top at an idle or high idle.
Problem is that it has a flutter when it is brought up from an idle very fast at all. Not a backfire but a flutter. Once it levels out to a specific RPM it runs like a top, no misfiring or anything. Also whenever it is put under a load, it tries to flutter out at any RPM. If you keep the load on it until it dies, it is really hard to start back.
So far this has all been done: (Seriously, it has)
Carburetor: Took it apart and installed a new kit in it. Soaked it for 6 hours in carburetor cleaner from a parts store. Ran torch tip cleaners through all the jets, removed what I could, blew air through all the ports. If there's anything stopped up I sure can't find it. The float and needle and seat seem to be doing their job. No trash in the inlet screen.
Fuel Flow: The sediment bowl is new. Seems to be getting really good fuel flow through it. (I have read the posts about people having a restriction in the line. I don't appear to have a restriction of any kind) blew air backwards through the fuel line.
Spark: New Plugs (Gapped to .025) and Wires. New distributor cap and rotor. New electronic ignition (see link below my tractor has been converted to 12 volt) New coil with internal resistor, BOUGHT A REBUILT DISTRIBUTOR
Governor: Took it apart and cleaned it. Installed new spring. Tractor runs 1860 rpm at high idle according to a timing light.
Valve lash: Set to .014 per specs
I put a timing light on it and got it timed pretty well to TDC, maybe a degree or 2 advanced. It does not backfire at all. Using the timing light, it appears to be advancing about 8-10 degrees at full throttle. I know it is supposed to advance 16 degrees. Should I be suspect of the distributor?
My Dad keeps telling me it is an updraft carburetor and I will have to live with some of that, but it just does not seem right. In order to get it to pull itself in 4th gear you have to be moving in 3rd and slowly let out on the clutch in 4th just to get it going. Doesn't seem right to me???? Again, It starts really well, and at a level rpm it couldn't run any more smooth.
I have not ran a compression test, but it holds decent oil pressure. At an idle it is pretty low (edge of the red on the gauge), but it comes up pretty fast when throttle is applied. I'm told this is somewhat normal on these.
Any help would be appreciated guys! Because I don't really know what else to check.
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