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Ford Kent engine
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Ford Kent engine
The Ford Kent is an internal combustion engine from Ford of Europe. Originally developed in 1959 for the Ford Anglia, it is an in-line four-cylinder overhead valve (OHV) pushrod engine with a cast-iron cylinder head and block.
The Kent family can be divided into three basic sub-families; the original pre-Crossflow Kent, the Crossflow (the most prolific of all versions of the Kent), and the transverse mounted Valencia.
The arrival of the Duratec-E engine in the fifth generation Fiesta range in 2002 signalled the end of the engine's use in production vehicles after a 44-year career, although the Valencia derivative remained in limited production in Brazil, as an industrial use engine by Ford's Power Products division, where it is known as the VSG-411 and VSG-413. Since 2010, it has been actively produced in the United States factories for Formula Ford globally because of its popularity in motorsport.
Within Ford, it is said that the Kent name originally referred to the A711 and A711M blocks (commonly called the 711M block) with square main bearing caps for the Crossflow series, which represented a vast improvement in the durability of the engines. The name subsequently began to be used outside the company to refer to pre-711M engines as well.
The original OHV three main-bearing Kent engine first appeared in the 1959 Anglia with a capacity of 1.0 L (997 cc). The Anglia was the only car to be fitted with the 1-litre Kent engine. It developed 39 bhp (29 kW) at 5,000 rpm — unusually high for the time. With an 80.96 mm × 48.41 mm (3.19 in × 1.91 in) bore and stroke, combined with independent (non-siamesed) four intake and four exhaust ports, it was a departure from traditional undersquare English engine design. The short stroke was chosen to keep piston speeds low and to help create a durable engine.
The same engine, with its bore unchanged, but with longer 65 and 72.75 mm (2.56 and 2.86 in) stroke and thus larger capacities were subsequently used in the Ford Consul Classic (1.3 L (1,339 cc)) and Consul Capri (1.3 and 1.5 L (1,339 and 1,498 cc) - the latter with five main bearings), the Mk1 and early Mk2 Cortinas (58.2 mm (2.29 in) stroke 1.2 L (1,198 cc) 63 mm (2.48 in) stroke, five-main bearing 1.3 and 1.5 L (1,297 and 1,498 cc)), and the early Corsairs.
In addition to its 'over-square' cylinder dimensions, a further unusual feature of the Kent engine at its introduction was an externally mounted combined oil filter/pump unit designed to facilitate low-cost production and easy maintenance.
The engine is now referred to as the pre-crossflow Kent, in reverse-flow cylinder head configuration with both the inlet and exhaust being on the same side of the head.
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Ford Kent engine
The Ford Kent is an internal combustion engine from Ford of Europe. Originally developed in 1959 for the Ford Anglia, it is an in-line four-cylinder overhead valve (OHV) pushrod engine with a cast-iron cylinder head and block.
The Kent family can be divided into three basic sub-families; the original pre-Crossflow Kent, the Crossflow (the most prolific of all versions of the Kent), and the transverse mounted Valencia.
The arrival of the Duratec-E engine in the fifth generation Fiesta range in 2002 signalled the end of the engine's use in production vehicles after a 44-year career, although the Valencia derivative remained in limited production in Brazil, as an industrial use engine by Ford's Power Products division, where it is known as the VSG-411 and VSG-413. Since 2010, it has been actively produced in the United States factories for Formula Ford globally because of its popularity in motorsport.
Within Ford, it is said that the Kent name originally referred to the A711 and A711M blocks (commonly called the 711M block) with square main bearing caps for the Crossflow series, which represented a vast improvement in the durability of the engines. The name subsequently began to be used outside the company to refer to pre-711M engines as well.
The original OHV three main-bearing Kent engine first appeared in the 1959 Anglia with a capacity of 1.0 L (997 cc). The Anglia was the only car to be fitted with the 1-litre Kent engine. It developed 39 bhp (29 kW) at 5,000 rpm — unusually high for the time. With an 80.96 mm × 48.41 mm (3.19 in × 1.91 in) bore and stroke, combined with independent (non-siamesed) four intake and four exhaust ports, it was a departure from traditional undersquare English engine design. The short stroke was chosen to keep piston speeds low and to help create a durable engine.
The same engine, with its bore unchanged, but with longer 65 and 72.75 mm (2.56 and 2.86 in) stroke and thus larger capacities were subsequently used in the Ford Consul Classic (1.3 L (1,339 cc)) and Consul Capri (1.3 and 1.5 L (1,339 and 1,498 cc) - the latter with five main bearings), the Mk1 and early Mk2 Cortinas (58.2 mm (2.29 in) stroke 1.2 L (1,198 cc) 63 mm (2.48 in) stroke, five-main bearing 1.3 and 1.5 L (1,297 and 1,498 cc)), and the early Corsairs.
In addition to its 'over-square' cylinder dimensions, a further unusual feature of the Kent engine at its introduction was an externally mounted combined oil filter/pump unit designed to facilitate low-cost production and easy maintenance.
The engine is now referred to as the pre-crossflow Kent, in reverse-flow cylinder head configuration with both the inlet and exhaust being on the same side of the head.
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