They both have a magical rpm limit somewhere around half throttle that they will do ok. Once they have surpassed that limit, all bets are off. At this point the popping, snapping, and surging starts. The harvester engine has an electric fuel pump, so it'll tend to want to start to flood from lack of being able to burn the fuel. The hiboy has a gravity fed tank. It'll just fade out, then surge back several times until a lighter load is applied, or throttle position reduced like the harvester. If half throttle would be fast enough I'd live with it but both machines need 2000 plus rpm to function properly.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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