My UB dynoed 98hp. It is a 403 with used .060 pistons, untouched bottom end, stock 4210 heads, LP manifolds, stock carb with late 336 venturi, and a $165 Berry cam. Dad and I put it together out of two old tractors. No more than $2500 in the whole deal. ($1000 of it was tires, cutting, and rims.) I've sold three complete 403 power units for $500 each. I have a newer 336 for sale now. Paid $750 for a clean rebuilt sawmill 403 and $1200 for a complete 4.81" bored 403 with puller cam. If you are patient and talk to folks, you can get deals and compete well. Been playing this way for years. Tires and wheels are what gets ya, but again, hunt around. My best tires have been freebies!
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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