The GMC six cylinders in the 50's were the 228, 248, 270 and 302. The were all overhead valve engines with full pressure lubrication were the chevy 216 and 235 sixes were still splash fed on the rod bearings. The GMC sixes were extremely tough engines and would out do most of the standard truck engines offered at the time in power, and durability. Many REO, Diamond T and other makes were often retrofitted with "Jimmy" sixes and the 302 version was often used in hotrods in the 50's due to its large displacement and power. One actually set a land speed record at over 200 mph on nitromethane. There are still performance parts offered for "Jimmy" sixes.
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Today's Featured Article - Tractor Proflie: John Deere Model R - by Staff. The John Deere Model R, the last of the lettered tractors, was the first diesel-powered tractor produced by John Deere with a gasoline starting engine. It was also the first tractor they produced that had an optional steel cab. The photo above shows the tractor w
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