FOUR-CYLINDER ENGINE SECTION - Ford Motor Company

Combustion (HSC) engine resembles Ford’s classic cast iron push rod 200 cid I-6, with two cylinders removed. The 1986-1990 Taurus offered a 2.5L version, but most customers wisely chose an available V6. 1.1L/1.3L/1.6L DOHC “SIGMA” ENGINES Ford’s first aluminum block I-4 arrived with the 1997 Fiesta, internally designated as “Sigma.”

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