Did they make a 400 big-block?
The 400 big-block engine is a notable part of automotive history, particularly among enthusiasts of American muscle cars. This article delves into the origins, specifications, and significance of the 400 big-block engine, providing insights for car lovers and collectors alike.
What is the 400 Big-Block Engine?
The 400 big-block engine, primarily produced by General Motors, is a V8 engine that was manufactured from 1970 to 1976. It was designed to provide a balance of power and torque, making it a popular choice for various vehicles during its production run.
Specifications of the 400 Big-Block
The 400 big-block engine features several key specifications that contribute to its performance:
- Displacement: 400 cubic inches (6.6 liters)
- Configuration: V8
- Horsepower: Ranges from 265 to 330 hp, depending on the model and year
- Torque: Approximately 400 lb-ft
Applications of the 400 Big-Block
This engine was used in a variety of GM vehicles, including:
- Chevrolet Chevelle
- Chevrolet Camaro
- Pontiac Firebird
- Buick Skylark
Legacy and Impact
The 400 big-block engine is often celebrated for its robust performance and is a sought-after component in the classic car market. Its ability to deliver substantial power made it a favorite among muscle car enthusiasts, and it remains a topic of interest for restorers and collectors today.
In conclusion, the 400 big-block engine is a significant part of automotive history, representing an era of powerful American cars. Whether you're a collector or simply an automotive enthusiast, understanding the legacy of this engine can enhance your appreciation for classic vehicles.
Frequently Asked Questions
Is there a 400 big block?
The last big block Chrysler engine was produced in August 1978; they were still standard in the 1978 Chrysler Newport and New Yorker (the 440 was optional). In this application, the 400 had a four-barrel carburetor, had the same 8.2:1 compression, and was rated at 195 horsepower and 305 pound-feet of torque.
Is a 351 modified 400 a big block?
The 351M/400 used the “Big Block” bellhousing bolt pattern.
Did Ford make a 400 big block?
The 400 was intended as a replacement for Ford's aging big-block designs. The block's architecture borrowed heavily from the Cleveland, including the bore spacing, but 1.09 inches of additional deck height were added to allow a 4.00-inch stroke and the potential for plenty of torque.
Did Chevy ever make a 400 big block?
Despite being 6 cubic inches (98 cc) larger, Chevrolet continued marketing it under the popular "396" label in the smaller cars while at the same time labeling it "Turbo-Jet 400" in the full-size cars. Applications: 1965 Chevrolet Corvette. 1965–1972 Chevrolet Chevelle.
Is a Chevy 400 a small-block or a big block?
Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small-block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in displacement.
Did Chevy ever manufacture a 400 small block?
The connecting rod was also 400 specific being 5.565 in (141.4 mm) as opposed to the 5.7 in (144.8 mm) rod used in all other small-block Chevrolet engines. The 400 was made in 4-bolt main journal from 1970 to 1972 and in 2-bolt main journal from 1973 to 1979.
What cars had a 409 engine?
The 409 remained on the Chevy options sheet through 1965, after which it was replaced by the next-generation 396 Big Block. As it stands, you'll regularly still find the early '60s Impala SS with an original 409 in it.
Are the Pontiac 400 and 455 the same block?
We took the question to David Butler of Butler Performance in Lawrenceburg, Tennessee, for his professional opinion. He advises, "With the exception of the mid- to late-1970s PN 500557 casting, we consider all Pontiac 400 blocks functionally identical. The 455 blocks from 1970 to 1976 are also functionally identical.
Did Pontiac make a 400 big block?
Pontiac differed from other GM Divisions and most other manufacturers in producing only a single sized V8 casting, rather than adding a larger big block to its line-up. The external dimensions of all their V8s, from 326–455 cu in (5.3–7.5 L) were the same.
What is a 572 hemi?
"What you're seeing here is a 572-cubic-inch Hemi (that's 9.4L) that utilizes twin NRE 88mm turbochargers, twin intercoolers, and a computer-controlled dual-injection system that switches automatically between 91 and 116 octane fuel when the octane threshold is reached."
