LS Firing Order Explained in Simple Terms & Diagram

Understanding the LS engine firing order is a must for anyone considering building or rebuilding an LS-powered vehicle. In this blog post, we will explore the inner workings of the LS firing order and what it means for your engine.

What is the firing order of an LS engine?

The firing order of an LS engine is 1-8-7-2-6-5-4-3. The firing order is crucial in the internal combustion engine to ensure the correct timing of the spark plug and fuel injector activation.

What makes the LS better than SBC?

Here’s why the LS is better than SBC:

Power – LS engines produce more power than SBC engines, which can move your vehicle faster and more forcefully. You’ll be able to get from point A to point B in no time with an LS engine under the hood.
Durability – LS engines are known for their unwavering durability and are less prone to breaking down and requiring repair or replacement. This, in turn, can help save you money and time since you won’t have to keep maintaining or replacing your engine as often.
Efficiency – Most LS engines are also incredibly efficient, meaning you can get the most from your fuel and get better mileage. This is especially great for those watching their pocketbook and wanting to save money at the pump.
Cost – When looking at the total cost, LS engines are the most cost-effective option. The LS is more affordable to purchase but is also more affordable to maintain over time.

What is the firing order for a 6.2 L LS?

The firing order for a 6.2 L LS engine is 1-5-4-8-6-3-7-2. This firing order is important to the engine’s performance and operation.

What is the firing order for LS vs SBC?

The firing order for a 6.2 L LS engine is 1-8-7-2-6-5-4-3. This means that the spark plug for cylinder number one fires first, followed by cylinder number eight, and then the rest of the cylinders in a clockwise rotation. Furthermore, the firing order for this type of engine is 4-7/2-3.

What is the firing order of a 4.8 LS?

The 4.8 LS has eight cylinders, so it uses the 1-8-7-2-6-5-4-3 firing order. This order ensures the gasoline and air mixture from the cylinders are fired effectively.

Ls1 Firing Order Diagram

ls firing order vs Sbc

The differences between the firing orders of SBC and flathead/inline-six engines also carry through to other aspects of performance. For example, the SBC firing order tends to give the engine more bottom-end power, which is ideal for drag racing and short-distance applications.

On the other hand, the inline six has a stronger top-end power delivery, better suited for performance applications that require higher revs and RPMs.

Ls Firing Order Swap

In a combustion engine, the firing order is the sequence in which each spark plug ignites, thus creating a series of explosions that drive the engine.

When you perform a firing order swap, you essentially rearrange the order in which the spark plugs are fired. This can change the engine’s performance in a number of ways, but the main goal is to enhance the engine’s ability to deliver more power, torque, and acceleration.

Ls Firing Order Location

The location of the firing order is typically etched onto the valve cover or a sticker near the engine block. To find it, simply look for the firing order markings.

5.3 Ls Firing Order

The correct firing order for the 5.3 L engine is 1-8-7-2-6-5-4-3. This is done so that all the engine cylinders can be fired from left to right.

ls firing order diagram

Chevy 5.3 Ls Firing Order

The Chevrolet 5.3Ls engine has an 8-cylinder firing order that goes like this: 1-8-7-2-6-5-4-3. This is an important part of the engine build and needs to be followed correctly to get the best performance

2001 Lincoln Ls Firing Order

For the 2001 Lincoln LS, the correct firing order is 1-4-2-5-3-6. Starting from the front of the engine, the firing order is as follows:

cylinder at the front
cylinder next
cylinder third
cylinder fourth
cylinder fifth
cylinder at the back

Ls1 Firing Order

The LS1 has 8 cylinders, and the firing order is 1-8-7-2-6-5-4-3. This firing order means the spark plug in the first cylinder fires first, the second cylinder fires second, and so on.

Ls3 Firing Order

The LS3 firing order can be memorized, as it is a simple 1-8-7-2-6-5-4-3 sequence.

Ls 5.3 Firing Order

The firing order of the LS 5.3 engine is 1-8-7-2-6-5-4-3. This order is repeated every two revolutions of the crankshaft, which means that each time a cylinder fires, it’s firing the same spark plug in a 1-8-7-2-6-5-4-3 sequence.

Ls2 Firing Order

The LS2’s firing order is 1-8-7-2-6-5-4-3. This means that the cylinders will fire in a specific order, helping to ensure even combustion and maximum performance.

Ls 6.0 Firing Order

The firing Order of an LS 6.0 is 1-8-7-2-6-5-4-3. With the firing order, each spark plug is ignited in the correct sequence, which is necessary for the efficient running of the engine.

Ls7 Firing Order

The LS7 firing order is 1-8-7-2-6-5-4-3. It is vital to correct this, as it directly affects engine performance. Wiring the wrong connections can cause major problems, including misfiring, poor fuel efficiency, and mechanical failure.

Ls4 Firing Order

Regarding the LS4 engine, the correct spark plug firing order is 1-8-7-2-6-5-4-3. All vehicles have a certain order they fire the spark plugs in.

Ls6 Firing Order

The LS6 firing order is a combination of 1-8-7-2-6-5-4-3. It is part of the larger V8 engine system and is very important in maintaining the engine at its optimal performance capacity.

Is An Ls A Gm?

Yes, in many ways, an LS is a GM or General Motors vehicle. An LS is a specific type of vehicle produced by General Motors, including certain car and truck models.

Which Ls Engine Is Best?

To help you make the decision, here’s a list of the best LS engines:

The GM LS3. The LS3 is GM’s most popular engine platform, and for a good reason. It’s reliable, powerful, and lightweight, perfect for street and light-duty race applications.
The GM LSX. This engine is an updated version of the LS3, and it comes with a much longer stroke and big-block-style canted valve heads. It’s ideal for high-performance applications that need lots of torque and power.
The LS7. This engine is a classic muscle car engine that remains popular today. It comes with lots of power, reliability, and lightweight construction.
The LS9. The LS9 is the most powerful of the LS engines, designed to be a reliable and powerful race engine. It’s well-suited for drag racing and other high-performance applications.

Why Are Ls3 So Good?

LS3 engines are known for their outstanding power and performance. With an aluminum block and a 6.2L V8 engine, the LS3 can produce up to 430 horsepower at 5900 RPMs.

No matter what kind of vehicle you have, the LS3 engine can add a lot of power to it. But it’s not just about power – the LS3 has plenty of torque. It can provide up to 424 lb-ft of torque at 4600 RPMs.

FAQs

How Many Cylinders Are In A Ls?

Although this engine is incredibly versatile and can be fitted in various vehicles and engines, you’ll find that many LS-motored cars have six cylinders. This engine is called a V6 because it has six cylinders arranged in a V pattern.

Can You Stroke An Ls?

Yes! But only if you know what you’re doing and exercise the appropriate care and caution. The power gains from stroking an LS will make it worthwhile, however, and you’ll be left with a vehicle ready to take on the toughest of roads.

Why is GM engine called LS?

The LS stands for Luxury Sports or Luxury Series. It’s General Motors’ flagship engine series, and it was designed to embrace performance and luxury. GM’s LS engine line began with the 5.3L Vortec in the 1997 C5 Corvette, and it has since expanded to include.