GM LS Firing Order [With Diagram]

You can check out the firing order for GM LS written below. We have included the firing orders of other similar engines as well including Chevrolet Corvette and LS3.

Note that this sequence has been tested for the GM LS by our team. This firing order will help you set the correct sequence of ignition, so you face no problems in the future.

GM LS Firing Order

  • Firing Order for GM LS is 1-8-7-2-6-5-4-3.

GM LS Firing Order Diagram

The GM LS firing order diagram outlines a certain order for the engine’s ignition. The cylinders are numbered 1 through 8, with cylinder 1 being the frontmost on the driver’s side, starting from the front of the engine.

In a clockwise direction, the firing sequence starts with cylinder 1, then moves on to cylinder 8, cylinder 7, and so forth. The sequence of numbers in the diagram is 1-8-7-2-6-5-4-3. This engine firing order guarantees proper timing and combustion, allowing for effective functioning and the supply of power.

Firing Order Applies To

The GM LS firing order applies to GM, such as:

  • LS1
  • LS2
  • LS3
  • LS6
  • LS7
  • LS9

Torque Specifications

Vehicle NameHorsepower/RPM Torque/RPM
Chevrolet Corvette490@6,450 rpm470@5,150 rpm
2012 Chevrolet Camaro323@6,800 rpm278@4,800 rpm
2012 Cadillac CTS-V556@6,100 rpm551@3,800 rpm
You can find more details on ls firing order swap, 6.2 ls3 firing order, and ls firing order vs SBC below

Why is the LS Firing Order Different?

In contrast to certain earlier GM engines, the LS has a modified firing order (1-8-7-2-6-5-4-3) to improve engine balance, lessen vibrations, and increase overall performance and efficiency.

Check out 89 Chevy 350 Firing Order

Why is the LS Engine Called LS?

The LS engine gets its moniker from the “LS” engine code, which stands for “Luxury Sport.” Its performance-focused nature and opulent features were highlighted when it was first used in the 1997 Chevrolet Corvette C5.

Are All LS Engines the Same?

No, LS engines vary widely from one another. LS engine models and generations differ in terms of displacement, cylinder heads, camshafts, and other parts despite having a same architecture.

Engines with Similar Firing Orders

  • Chevrolet Corvette: 1-8-4-6-3-5-7-2
  • Chevrolet Camaro: 1-8-7-2-6-5-4-3
  • Chevrolet Silverado: 1,8,7,2,6,5,4,3
  • Pontiac GTO: 1-8-4-3-6-5-7-2

Audiovisual demonstration of GM LS1 V8 firing order, now with more RPM

Jake Mayock