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tried plowing today

D

Don656

Member
The good news is that the thermostat doesn't seem to be sticking any more. Temperature gage is not pegging on the hot side.

I plowed 5 rounds (a little over 1/2 acre). Tractor ran well for the first 2 rounds and then seemed to lose power. I've always been able to pull my plow in 2nd gear with this tractor, but after the first 2 rounds I kept having to use the TA and/or 1st gear. Also, when the tractor got bogged down and I would push the clutch in, it would spit and sputter some before it would recover.

I had put new Champion D-21 spark plugs on that I purchased from the Case-IH dealer. I had AC C87 plugs before (also puchased from the Case-IH dealer). Seems like I remember reading a post awhile back about some guys not liking the Champion plugs. Could this be my problem?
 
Well, I have used both brands and have had great success with both. Your problem sounds a bit more fuel related, however, I have been wrong before.
 
Sounds like a plugged fuel line to me. We haven't used Champion spark plugs since the mid 80's. Too many problems with them. Had a customer bring his mower in to us once a month because he couldn't start it. Change the spark plug and it would start right up. Switched to Autolites and he never had starting problems after that. We solved a lot of problems by switching to Autolites.
 
I run D21 plugs in all my tractors without any problems. I'm not sure what other guys are seeing with them.
 
I agree with the fuel problem bunch. When you said it sputters even after you push in the clutch for awhile, sure sounds like a flow restriction somewhere.
 
Not enough fuel, if it is earlier than a 706, open the main jet up a half round or so. Max power is 5 turns out. Otherwise you have restricted fuel flow anywhere from the gas tank outlet to inside the carb. If it uses a lot of oil, it could be the plugs fouling, regardless of brand.
 
Same rule applys to your 656 as does the 706 gassers . First get the D21's out of there and go colder 386 autolite C86 A C make sure that you have good flow of fuel to the carb check your ing. timing and set to full advance at full throttle and with out going back out to the truck to look up what a C263 sets at in a 656 your going to have to look that one up . Up the grade of gas before ya score the cylinders , they need 93 octane not 87 . If you doubt my word on this look it up in the owners manual under minim fuel requirements.
 
Thanks! I'll try the 386 autolites tomorrow. I know that TSC sells those. I had already checked the timing and it is correct to my operator's manual. I will start using better gas, too. I have been using mid grade, so I'll switch to the highest grade.
 
I really don't think it's a fuel restriction problem, but of course, I could be wrong. It ran ok until it got good and warmed up. Maybe sputtering wasn't the right term, it may be pre-ignition. Also, my tractor has the fuel shut-off solenoid and there doesn't seem to be any way to adjust the main jet. I always thought that was strange that there wouldn't be any adjustment for that.
 
they are too hot of plug for a working tractor. putsing around the yard -ok. it needs D16 in it if being worked hard.
 
D21 is waay too hot. If you want Champions, get D16's (D16Y). Also get 93 octane gas in it,(or higher) and you should be good to go. Between the too hot plug, and low octane fuel, you have severe preignition. Hope you didn't hurt the pistons. Wayne
 
Open the main jet adjusting screw near the bottom of the carburetor as this will enrich the fuel mixture. If this doesn't help you need to disconnect the fuel line from the tank to the carb and see if there's a full stream of gas from the tank. If this looks ok remove the fitting where the gas line connects to the carb and see if there's a screen behind that fitting that's plugged with rust and dirt. Hal
 
You did not identify your tractor when I posted, the solenoid is why I said pre 706, apparantly you have a 656 which is after the 706.
 
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