Firing Order of 5 Cylinder Engine [V5 Explained]

Some of the most legendary performance automobiles of all time have been found to conceal five-cylinder engines behind their hoods. These automobiles are often regarded as being among the very finest that have ever been manufactured. The 5-cylinder engine firing order has been used in several well-known vehicles, including the Audi Uru Quattro, The Volvo, the Volkswagen 850R, and the Ford Focus RS. A real roster.

Firing Order For 5-Cylinder Engine 2024

  • Firing Order: 1-2-4-5-3

Explanation of 5 Cylinder Engine Firing Order

The firing sequence of the five cylinders of the engine may be customized to ensure that the power strokes are distributed evenly throughout the crankshaft’s revolution.

A crankshaft revolution of 144 degrees separates each firing thanks to the configuration of a four-stroke engine with five cylinders. In contrast to four-cylinder engines that discharge every 180 degrees, a six-cylinder engine will have a 36-degree overlap, which indicates that another power stroke will take place before the crankshaft reaches the 180-degree point in its rotation.

Because of this, the distribution of power is smooth, as opposed to the rather jolting movement that is produced by an inline-four. The flywheel journals are separated in a certain manner to accommodate the five cylinders in the engine. When measured counter-clockwise all around the cylinder, the second journal is located at 144 degrees, the next journal at 216, the 4th journal at 288, and the 5th journal at 72 degrees compared to the position of the first valve at the bottom dead center.

In the majority of five-cylinder engines, this results in a firing sequence that goes 1-2-4-5-3 when combined with the corresponding firing interval. This indicates that the exchange of the pistons moves from one end of the engine compartment to the other while reaching the 3rd piston in the middle of the cycle to complete the whole cycle.

The best 5-cylinder engines, which have a reputation for sounding like little V10s, seem to have organically acquired respect in the automotive world. Cars with five-cylinder engines are still popular, in contrast to their V10-powered counterparts, which may be due to the popularity of these engines in the past.

Firing Order Applies to

  • Audi RS3.
  • Honda G25A1 – Acura Vigor
  • B5254T3 – Ford Focus RS
  • Audi 90 IMSA-GTO

Torque Specifications

Fastener TypeTorque Spec
7/16 in. Outer Main Cap Bolt95 ft.-lbs.
7/16 in. Inner Main Cap Bolt110 ft.-lbs.
3/8 in. Outer Main Cap Bolt50 ft.-lbs.
11/32 in. Connecting Rod Bolt67-74 ft.-lbs.
3/8 in. Connecting Rod Bolt45-50 ft,-lbs.

Firing Order For Similar Vehicles:

  • Mercedes-Benz OM617 – 1974 Mercedes 300D. 1-2-4-5-3
  • Audi EA828 – Audi 100. 1-2-4-5-3
  • Land Rover 10P – Land Rover Discovery II TD5. 1-2-4-5-3
  • B5254T7 – Volvo C30 Polestar Performance Concept Prototype. 1-2-4-5-3

Which cylinder is number 1 on a 5-cylinder?

Cylinder number one in the vast majority of V-type engines is located at the left front of the engine. Before beginning to synchronize the ignition, you need to have the appropriate numbers. In addition to the vehicle’s emission labels, useful locations to check for these numerical values include specialized service manuals, guidebooks issued by the vehicle’s manufacturer, and reputable websites.

Before you ever pick up a tool, you need to be aware of the number of revolutions per minute (RPM) that the motor is timed at, the number of points that are above the top-dead-center range, and which cylinder on the engine is number one.

What is the advantage of a 5-cylinder engine?

The driving experience provided by engines with five cylinders is superior to that provided by engines with either four or six cylinders. They provide greater torque and horsepower than engines with four cylinders, while yet keeping the fuel efficiency and “pep” of smaller engines with four cylinders.

The sound of the engine with five cylinders is pleasing. Crankshafts that are used in 5-cylinder engines contain angles that measure 72 degrees. The powerful motions of four motors with 5 or even more cylinders have an edge over those with fewer cylinders because they overlap.

Do V5 engines exist?

A V5 engine refers to a type of five-cylinder combustion engine in which all of the cylinders are connected to a single crankshaft and therefore are positioned in a V shape. The VW Company’s VR5 engine was the only one of its kind to go into production between 1997 and 2006 other V5 engine types are very rare.

It must be an even figure since the cylinders need to be arranged in a V form with equal sections on every side of the V. are more kinds of engines that may have an infinite amount of cylinders, however, the V system just wouldn’t function properly with those kinds of engines.

Are 5-cylinder engines rare?

A 5-cylinder engine is a far less frequent form of engine, and only a select few automakers have ever used it. Are 5-cylinder engines good? With the release of the powerful Sport Quattro, Audi was instrumental in popularising the use of 5-cylinder engines, and more recently, the Volkswagen Group has been producing some impressive results with similar powertrain configurations. These 5-cylinders engines are the absolute favorites of all time.

How many valves does a 5-cylinder have?

The five-valve head, which consists of two solenoid valves and three intake valves, is used somewhat less often. These five valves are comparable in size. This design enables great ventilation, and since each valve is very tiny, it is theoretically possible to achieve high RPM and extremely high power production.

What Cars use the 5-cylinder engine?

There are still vehicles on the market that use five-cylinder engines, the most notable of which are the Audi TT and the RS. It is worthwhile to examine the benefits and drawbacks of such engines, even though they are very infrequent, to understand why some companies stand by them & why some would rarely touch them, preferring instead to stay with a normal in-line four.

Because of their shorter length, they can be installed transversely considerably more readily than an in-line six would be able to. This paves the way for the introduction of a five-pot in compact automobiles within a company’s range, which offers up a window of opportunity. In comparison to an inline-four, the distribution of power from a five-cylinder engine is more refined, which contributes to the silky-smooth rise in rpm that the five-pot is famous for.

This is further improved by the horizontal balance of the rotary valves, and when applied in combination with the increased potential deformation of more than a four-cylinder motor, numerous turn-ons prove the option of these power stations by companies such as Audi. For example, the horizontal rebalancing of the rotary pistons helps to ensure that the rotary motion pistons remain in a vertical position.

Jake Mayock