Italian tune-up improved the 40T's engine

Posted by G Taylor on May 05, 2003 at 06:47:57 from (64.10.143.223):

My father was concerned the 40 was slobbering the odd spec of oil out the stack, fouling the plugs and smoking. It was no prize when purchased and was running on one cylinder.
The previous owners thought it was just a gutless worn out tractor. A pair of non resistor Autolites, correcting the coil polarity and leaning the carb did wonders.
After 7 years of parade and show duty a rebuild was considered due to the smoke and power loss.
Since there was nothing to loose we brought out the pto powered generator and loaded her up. HP was down and smoke was up but that gradually changed and we could keep adding more loads. Kept the throttle wide open and loaded to 540 rpm. My sister was "helpful" and shut off lights and fans she couldn't understand were on in the daytime.
By the end of 1-1/2 hrs she had burned the old gas/stabile mix out and quite smoking. Found the fan belt was past it's prime and required tightening to maintain cooling. Verified the temp gauge was faulty and the head gasket requires re-torquing. Not thrilled about scratching the hood paint to get at it. Never boiled but a bit of seepage all the way around the block/head, enough to run streaks a few inches long. The previous owners had been in there and who knows if they even used a torque wrench.

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