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What size is the Ford Y-Block?

The Ford Y-Block engine, produced from 1954 to 1964, is a classic American V8 engine known for its distinctive design and robust performance. One of the key aspects of the Y-Block engine is its size, which has been the subject of much discussion among automotive enthusiasts. In this article, we'll delve into the details of the Ford Y-Block engine's size and specifications.


The Displacement and Cylinder Dimensions


The Ford Y-Block engine was available in a range of displacement sizes, with the most common being the 239 cubic inch (3.9 liter) and 272 cubic inch (4.5 liter) versions. The cylinder bore size for the 239 cubic inch engine was 3.625 inches (92.1 mm), while the 272 cubic inch engine had a bore size of 3.75 inches (95.3 mm).


The stroke for both the 239 and 272 cubic inch engines was 3.50 inches (88.9 mm), giving the Y-Block a classic V8 configuration with a 90-degree cylinder bank angle.


The Overall Engine Dimensions


In terms of overall dimensions, the Ford Y-Block engine was a relatively compact design, especially when compared to some of the larger V8 engines that would come later. The length of the Y-Block engine was approximately 27 inches (685 mm), the width was around 24 inches (610 mm), and the height was roughly 26 inches (660 mm).p>

The compact size of the Y-Block engine made it well-suited for installation in a variety of Ford vehicles, from sedans to trucks. This versatility contributed to the engine's widespread popularity and long production run.


Comparison to Other Ford V8 Engines


When compared to other Ford V8 engines of the era, the Y-Block was a bit smaller in overall size. The earlier Ford Flathead V8, for example, had a larger displacement range of 221 to 337 cubic inches (3.6 to 5.5 liters) and a slightly larger physical footprint.


The later Ford FE-series V8 engines, produced from 1958 to 1976, were also larger in displacement, ranging from 332 to 428 cubic inches (5.4 to 7.0 liters). However, the FE-series engines were generally taller and wider than the Y-Block, though they shared a similar length.


Overall, the Ford Y-Block engine's compact size, robust design, and impressive performance made it a popular choice among enthusiasts and a significant part of Ford's engine lineup during the 1950s and 1960s.

What was Ford's best big block?


Virtually every major domestic automaker had one in its stable, and the Ford 460 (385-series or Lima designation) was arguably the best of the breed.



How much HP does a 572 big block make?


between 620 to 750 horsepower
The horsepower output of a 572 Big Block crate motor can vary depending on the specific configuration and modifications made to the engine by the manufacturer offering it. However, generally speaking, a 572 Big Block crate engine can produce between 620 to 750 horsepower and 645 to 710 lb-ft of torque.



How many cubic inches is a Ford Y-block?


239 cu in
239. The first Y-block on Ford automobiles and F100 trucks was the 239 cu in (3,910 cc) version as released in 1954 with EBU casting numbers. The Y-block was the same displacement as the old Ford Flathead V8 that it replaced but with a bigger bore and a shorter stroke (3.5 x 3.1 in).



How much HP does a 292 Y-block have?


202 hp
Stick-shift Thunderbirds came with 292 rated 202 hp at 4600 rpm with 8.4:1 heads. A new 312, with a bore and stroke of 3.80 x 3.44 inches, topped out at 225 hp at 4600, again with 8.4:1 heads and a four-barrel. It was standard in Mercurys and in automatic T-Birds, and optional in most other Fords.



Was the Ford Y-Block a good engine?


Otherwise, the Y-Block proved to be a rugged and reliable engine, and while it was replaced by the Windsor V8 for passenger car use in 1962, it continued as a mainstay in the Ford truck line for several more years.



What is the best Ford Y-block head?


The most desirable Y-block heads for increased compression are the 1957 through early 1958 ECZ-G castings with intake valves sized at 1.927 inches, according to Mummert. Combustion chamber size is approximately 69cc. For slightly lower compression for today's pump gas is the 1958-1959 5752-113 casting.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.