What is the difference between a 440 magnum and a 440?
When it comes to classic American muscle cars, the Chrysler 440 engine is a legendary powerhouse. However, enthusiasts often encounter two terms: the "440 Magnum" and the standard "440." While both engines share the same displacement, they have distinct differences in performance, components, and applications. In this article, we’ll break down the key differences to help you understand what sets these two engines apart.
What Is the Chrysler 440 Engine?
The Chrysler 440 engine, introduced in 1966, was part of Chrysler's RB (Raised Block) series of big-block V8 engines. With a displacement of 440 cubic inches, it became one of the most powerful and iconic engines of its time. It was widely used in Dodge, Plymouth, and Chrysler vehicles, particularly in high-performance models.
The 440 engine was known for its reliability, torque, and ability to deliver impressive horsepower, making it a favorite among muscle car enthusiasts and racers alike.
Key Differences Between the 440 Magnum and the Standard 440
While the 440 Magnum and the standard 440 share the same basic architecture, they differ in several important ways:
- Performance Tuning: The 440 Magnum was a high-performance version of the standard 440. It featured upgraded components to deliver more horsepower and torque, making it ideal for muscle cars like the Dodge Charger R/T and Plymouth Road Runner.
- Camshaft and Valve Train: The Magnum version came with a more aggressive camshaft profile and heavy-duty valve springs, allowing for higher RPMs and improved airflow.
- Exhaust Manifolds: The 440 Magnum was equipped with high-flow exhaust manifolds, which helped reduce backpressure and improve engine efficiency.
- Carburetion: The Magnum typically used a high-performance four-barrel carburetor, such as the Carter AVS or Holley, to deliver more fuel and air to the engine.
- Compression Ratio: The Magnum often had a slightly higher compression ratio compared to the standard 440, contributing to its increased power output.
- Horsepower Ratings: The standard 440 engine produced around 350-375 horsepower, while the 440 Magnum was rated at approximately 375-390 horsepower, depending on the model year and specific configuration.
These differences made the 440 Magnum a more performance-oriented engine, designed for enthusiasts seeking maximum power and speed.
Applications of the 440 Magnum and Standard 440
The standard 440 engine was commonly used in full-size Chrysler, Dodge, and Plymouth vehicles, including luxury sedans and station wagons. Its focus was on providing smooth, reliable power for everyday driving.
In contrast, the 440 Magnum was reserved for high-performance models, such as:
- Dodge Charger R/T
- Plymouth Road Runner
- Dodge Coronet R/T
- Plymouth GTX
- Chrysler 300 Hurst
These vehicles were designed to showcase the raw power and speed of the Magnum engine, making them icons of the muscle car era.
Conclusion
In summary, the 440 Magnum is a high-performance variant of the standard 440 engine, featuring upgraded components and tuning for increased power and efficiency. While the standard 440 was a reliable workhorse for everyday driving, the Magnum was built for enthusiasts who craved speed and performance. Whether you’re restoring a classic muscle car or simply exploring automotive history, understanding these differences can help you appreciate the engineering and legacy of these iconic engines.
Frequently Asked Questions
What is the difference between a 440 six pack and a 440 Magnum?
The 440 was a four-barrel engine, but Mopar also created a six-barrel version of the Magnum called the Six Pack that allowed for these power increases. Horsepower ratings were altered in 1972, reflecting a more realistic snapshot of an engine's capabilities, and this saw the Mopar 440 re-rated to 225 hp.
What makes Magnum different?
Magnum is an international brand of ice-cream. Right now the Belgian chocolate specially designed to give you a crack when you take your first bite of Magnum, to the smooth & creamy ice cream that goes into it. Magnum is made with the best of ingredients.
How much horsepower did the 440 Magnum make?
440 Magnum | engine | Mark goes over the 375 HP 440 Magnum with a 4 Barrel engine.
What makes a 440 a Magnum?
The Magnum designation simply meant that it was the high-performance version of the V8 engine. An important note is that this also meant it was in a Dodge vehicle. Different brands within the overall company used different designations to signify this.
How much horsepower does a 1970 Challenger 440 Magnum have?
The standard transmission was a 3-speed manual. Optional R/T engines were the 375 HP 440 cu in (7.2 L) Magnum, the 390 HP 440 cu in (7.2 L) Six-Pack and the 426 cu in (7.0 L) Hemi rated at 425 HP at 5,000 rpm and 490 lb⋅ft of torque at 4,000 rpm. The R/T was available in either the hardtop or convertible.
What makes an engine a Magnum?
The most significant changes that defined the Magnum was a new top-end package. Magnum heads featured larger valves with smaller stems, revised ports, and a new valvetrain style.
What's the difference between a 440 Magnum and a regular 440?
There ultimately is very little difference between the Mopar 440 and the Mopar 440 Magnum. The Magnum designation simply meant that it was the high-performance version of the V8 engine. An important note is that this also meant it was in a Dodge vehicle.
What car had a 440 Magnum engine?
The 1970 Dodge Charger offered various engine options, including the 318 cubic-inch small block V8, the 426 Hemi, and the 440 Six Pack. Dodge supplied the 375-horsepower 440 Magnum as the base engine, while those seeking a more subdued driving experience could opt for the 225 cubic-inch six-cylinder.
Is the 440 Magnum a big block?
The Chrysler 440 falls in the RB class of Mopar big-block engines. The initials "RB" stand for raised block, meaning a taller deck height than the B-engine to accommodate the RB's longer stroke. Other engines which fall into this category include the 413 and the 426 Wedge.
How many cc is a Stihl 440 Magnum?
70.7 cc
| MODEL | DISPLACEMENT | BAR LENGTH |
|---|---|---|
| MS 440 STIHL Magnum | 70.7 cc (4.3 c.i.) | 16" - 32" |
| MS 460 STIHL Magnum | 76.5 cc (4.7 c.i.) | 16" - 32" |
| MS 460 M Rescue | 76.5 cc (4.7 c.i.) | 16" - 24" |
| MS 660M STIHL Magnum | 91.6 cc (5.59 c.i.) | 16" - 36" |
