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10 Of The Most Reliable Air-Cooled Engines Ever Made, Ranked
Heads and cylinders were precision machined ... the oil cooler can lead to valve or piston failures. In 1968, the VW air-cooled 4-cylinder engine became the first to offer electronic fuel ...
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The Highest Rated Horsepower Ever In An Air-Cooled Engine
That is, the block is air-cooled, but the cylinder heads are not. Due to the water cooling ... But hey air-cooled engine fans ...