140 sometimes runs rough
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140 sometimes runs rough
by septemberfarm » Mon May 31, 2010 1:31 pm
Does anybody have a suggestion on what might be causing my 1967 IH 140 12 volt positive ground tractor to run great sometimes and then all of a sudden run lousy with no power and an occasional backfire. I just tuned it up , new cap, rotor ,and wires and rebuilt the carb. I also converted the ignition to an electronic ignition, but the problem still occurs.
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Re: 140 sometimes runs rough
by Boss Hog » Mon May 31, 2010 2:56 pm
It should be 12 volt neg. ground. Most likely an issue with trash in the carb. Is the tank clean ? and does it have a good fuel flow?
IN GOD WE TRUST
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Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
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Re: 140 sometimes runs rough
by septemberfarm » Mon May 31, 2010 4:58 pm
Thanks boss hog, Your right it is a negative ground, and I'll check the strainer on the tank and post the results.
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Re: 140 sometimes runs rough
by dgrapes59 » Mon May 31, 2010 7:23 pm
Septemberfarm,
Welcome to the forum!
Welcome to the forum!
David
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Several '61 CC Originals, CC 70 & 100, Couple CC 122's, '69 CC 124, '69 CC 73, various CC implements #2 Trailer, 1963 Springfield, Mid-70's Simplicity - Circle of Safety: Y
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