Lincoln Y-block V8 engine
Encyclopedia
The Lincoln V8 engine, Ford
Ford Motor Company
Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...

's earliest OHV
Overhead valve
An overhead valve engine, also informally called pushrod engine or I-head engine, is a type of piston engine that places the camshaft within the cylinder block , and uses pushrods or rods to actuate rocker arms above the cylinder...

 V8 engine, was introduced by Lincoln
Lincoln (automobile)
Lincoln is an American luxury vehicle brand of the Ford Motor Company. Lincoln vehicles are sold mostly in North America.-History:The company was founded in August 1915 by Henry M. Leland, one of the founders of Cadillac . During World War I, he left Cadillac which was sold to General Motors...

 in 1952. Like the later (and better-known) Ford Y-block engine
Ford Y-block engine
The Y-block engine is a family of overhead valve V8 automobile piston engines from Ford Motor Company. It was introduced in 1952 on Ford trucks and in 1954 on Ford cars to replace the side-valved Ford Flathead engine and was replaced by the Ford FE engine and the Ford Windsor engine in 1962, and...

, its deep skirts made the block resemble the letter Y from the front. This development was arguably in response to the sales success of the competing Oldsmobile "Rocket" and Cadillac OHV V8 engines introduced in their respective 1949 models. This basic engine design was produced through 1957, when it was replaced by the newer MEL engine
Ford MEL engine
Ford developed for use in their line of Mercury models from 1958 through 1967. The MEL also replaced Lincoln's unique Y-block design. These engines were produced in Lima, Ohio at Ford's Lima Engine plant...

.

317

The first new-generation Y-block was the 317 in³ (5.2 L) "317". It replaced the undersquare flat-head InVincible 8. The new engine was oversquare (meaning the bore was greater than the stroke) as was rapidly becoming the fashion, with a bore of 3.8 in (96.5 mm) and a stroke of 3.5 in (88.9 mm). Power output was just 160 hp (119 kW) that first year, but was increased to 205 hp (153 kW) the next year with higher compression, larger intake valves, a Holley four-barrel carburetor, improved intake and exhaust, and a hotter camshaft. The engine was unchanged in 1954 except for the vacuum advance mechanism with the power output remaining the same. These engines using the solid valve lifters used in truck engines, and were to power the "Mexican Road Race Lincolns". The 317 was replaced by the 341 for 1955.

341

The 317 was bumped up to 341 in³ (5.6 L) with a 3.94 in (100.1 mm) bore for 1955. 225 hp (168 kW) and 332 ft.lbf (450 Nm) was produced, a major update. The engine was only produced that one year.

368

The engine was bored (to 4.00 in/101.6 mm) and stroked (to 3.66 in/93 mm) for 1956's 368 in³ (6.0 L) Lincoln V8. Output jumped up to 285 hp (213 kW) and 402 ft.lbf (545 Nm) that year with numerous other improvements. Power output reached a high point the next year at 300 hp (224 kW) and 415 ft.lbf (563 Nm), but the Lincoln still lagged behind Cadillac and Chrysler
Chrysler
Chrysler Group LLC is a multinational automaker headquartered in Auburn Hills, Michigan, USA. Chrysler was first organized as the Chrysler Corporation in 1925....

. 1957 proved to be the last year for this engine design.

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