Fast Tractor Warmer-Upper

Fast Tractor Warmer-upper ENGINES Engines 9-2-4 "Before I put this warm-up attachment on my 400 Case loader tractor it took about 20 min. to warm up in the winter with the choke halfway out. Now it takes just 5 to 10 min.," says Marvin Plenis, McLaughlin, S.Dak. Plenis put a piece of 5-in. dia. stovepipe around his 4-in. dia. muffler. He put a cap over the end of the exhaust pipe, with a 2-in. dia. hole cut in the center for the exhaust pipe. He then ran a 4-in. duct from the top of the stove pipe over to the engine air intake pipe, plugging the end of the duct in winter so the engine is forced to draw in warmed-up air from around the muffler. During summer months, he simply unplugs the end of the duct so the engine draws in cooler outside air. "I've used this idea for about 12 years and I don't think there's anything like it on the market," says Plenis.

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