Unformatted text preview: all had problems. Ford's VV carburetor had a design flaw that, when it appeared, would set the mixture so lean that the engine wouldn't run. Chrysler's system was a full analog computer that could also control spark timing, but it had reliability problems as well. Neither of these did much to help, and by model year 1980 the car makers had resorted to putting smaller engines in simply to be able to meet the mandates, performance or drivability notwithstanding. • Other manufacturers were less set in their ways and were more willing to use better ways of doing things. Honda's CVCC engine used a special cylinder head to improve efficiency, making an engine that was so clean it could pass the 1975 emissions regulations without a catalytic converter. Volkswagen was an early advocate of Bosch's mechanical fuel injection systems....
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- Fall '10
- Internal combustion engine, Fuel injection, Average Fuel Economy, new EPA mandates, Early emissions controls