440 Firing Order [Explanation of Diagram]

When something comes to a mix of torque, horsepower, and driving dynamics, the 440 big-block rates as one of the greatest engines ever manufactured and is the biggest displacement V-8 engine that Chrysler has ever produced. The 440 doesn’t rely on a higher compression ratio or perhaps an extreme cam grind for its brawn; rather, it depends on its sheer size, which allows it to make excellent power from idle while still producing enough torque to propel even the strongest Mopar C-Body with ease.

The 440 is a very adaptable engine, as seen by the fact that it has been put in a wide variety of Mopar vehicles, ranging from supercars to station wagons, as well as trucks, and even yachts. Even the most powerful version of the manufacturing 440, the 390 hp Six-Pack, featured a very modest hydraulic flat-tappet crankshaft with a non-adjustable throttle body, which ensured years of trouble-free, smooth running with little maintenance.

440 Firing Order in 2024

  • Firing Order: 1-8-4-3-6-5-7-2 

Explanation of 440 Firing Order

According to the firing order for the 1970 Dodge 440, which is 1-8-4-3-6-5-7-2, the cylinder with the number 1 is the first one to be lit, followed by the cylinder with the number 8 unless all of the cylinders have fired in the order that was indicated. When something comes to the firing order of the 1978 Dodge 440, the cylinders are often presented clearly and move from the front of the car engine to the rear, beginning at the end of the vehicle that is nearest to the driver.

This identifies the cylinder to the left of the engine as cylinder one because it is the first cylinder in the engine. Cylinder 1 may be found to the left of the engine. The cylinder is located to the left of the engine in this instance. After that point, the numbers move from left to right, with each of the cylinders that still have odd figures positioned on the left hand of the car while all of the cylinders possess even figures positioned on the right side of the engine.

Mopar 440 number 1 cylinder, the first cylinder may be found at the far left front corner of the automobile. In the case that the distributor was installed correctly, position one would be the front of the vehicle on the driver’s side. Begin by drawing a round, and then trace a line along the outside of the circle to create the process. You need to set it up to be horizontal to the engines and as far ahead on the vehicle’s side as you can get it.

Firing Order Applies to:

  • Dodge 383
  • Dodge 440
  • Mopar 383
  • Mopar 440

Torque Specifications

Fastener TypeTorque Spec
Main Cap Bolts65 ft.-lbs.
Connecting Rod Bolts70 ft.-lbs.
Cylinder Head Bolts65 ft.-lbs.

Firing Order For Similar Vehicles:

  • Chrysler V8 (small blocks)  1-8-4-3-6-5-7-2
  • Chrysler 5.7L Hemi V8  1-8-4-3-6-5-7-2
  • Hudson V81955-57  1-8-4-3-6-5-7-2
  • Pontiac 307 (Chevrolet engine)  1-8-4-3-6-5-7-2
  • Packard V8 (all)  1-8-4-3-6-5-7-2

How much horsepower can you get from a 440?

However the most efficient factory standard 440 engines generated a certified 390 grossing horsepower, its OEM heads can take horsepower in the range of 600 hp and live nearly eternally at the 510-560 hp level. This is because the OEM blocks were designed to accept power in this range.

What is a 440 RB?

The production of the 440 cubic inches 7.2 L RB began in 1965 and lasted until 1978. As a result, it is considered to be the last variant of the Chrysler RB engine. A lightweight construction, precise cast-iron blocks, iron heads, a bore of 4.32 inches 109.7 millimeters, and an entire displacement of 440 cubic inches were all features of this engine 7.2 L.

What engine does the 440 have?

The engine that is included in the 440 is B58, which is capable of producing 320 hp and 330 lb-ft of torque. The 440 engine is an open deck engine, which means that there is an open route in the engine block traveling across the sides of the cylinders. The fact that it is open-concept allows for a cooling procedure that is both faster and more effective.

The supports for the cylinders of an open-block engine with a Mopar 440 distributor are located at the very end of each row of cylinders. The fact that this engine block design is only supported in two locations indicates that it is the most suitable solution for high pressure.

Is a 383 the same as a 440?

The firing order of the Dodge 383 distributor and the Dodge 440 are the same but the deck’s height of the cylinder is the primary distinction between these two Mopar classics, with the 383 having a height of 9.98 inches and the 440 having a height of 10.725 inches.

Can you put a supercharger on a 440?

These are worldwide supercharger kits that have been developed for automobiles that use large-mass Dodge 440 engines that are fueled by carburetors.

On a slightly modified 440c, the suggested pulley ratio will provide roughly 5–6 psi of pressure at 6000 revolutions per minute.

What does the 440 engine do?

The starting module or the engine itself is responsible for managing the firing order of the 1979 Dodge 440 8-cylinder engine. The system receives signals of data from the moving rod position sensor to determine which cylinder is approaching the top right on target while it is completing its pressure stroke.

Because shaking the spark plugs prevents the engines from turning over, having the correct firing sequence is highly required and essential. Additionally, it causes it to function less efficiently. when two spark plugs near one another ignite immediately after one another in an engine.

Jake Mayock