The firing order of the 5.7-liter Hemi V8 engine is 1-8-4-3-6-5-7-2. This means cylinder. The spark plugs in order start with cylinder 1 and end with cylinder 2.
The engine uses a distributor-less ignition system, and the timing of the spark and valve timing is controlled by the engine’s computer and variable valve timing system.
Hemi 5.7 Firing Order
- The firing order is 1-8-4-3-6-5-7-2.
Explanation of the hemi firing order
The 5.7-liter Hemi V8 engine is a popular engine found in many Chrysler, Dodge, and Jeep vehicles. Here is a detailed guide on how the firing order works:
Cylinder Numbering:
Before discussing the firing order, it’s important to understand how the cylinders are numbered on this engine.
1-3-5-7 are on the driver’s side engine and 2-4-6-8 are on the passenger’s side.
Firings Order
The firing order of the 5.7-liter Hemi V8 engine is 1-8-4-3-6-5-7-2. As the sequence is very clear it starts with cylinder 1 and ends with cylinder 2.
Distributorless Ignition
The 5.7-liter Hemi V8 engine uses a distributor-less ignition system, which means that there is no distributor to distribute the spark to each cylinder. Instead, the spark is generated by the ignition coil and sent directly to the spark plug.
Timing
Spark is controlled by the engine’s computer. It uses details from different sensors to find out the exact timing for cylinders.
Firing order applies to
- Dodge Ram 1500 pickup truck
- Dodge Durango SUV
- Chrysler 300 sedan
- Dodge Charger sedan
- Dodge Magnum wagon
- Jeep Grand Cherokee SUV
- Dodge Challenger coupe
- Dodge Charger sedan
- Chrysler 300 sedan
- Dodge Durango SUV
- 2011-2018 Jeep Grand Cherokee SUV
- 2011-2021 Dodge Challenger coupe
- 2019-2021 Ram 1500 pickup truck
- 2021-present Jeep Grand Cherokee
Torque Specifications
| Fastener Type | 5.7L |
|---|---|
| Rocker Arm Bolts | 195 in.-lbs. |
| Intake Manifold Bolts4 | 9 ft.-lbs. |
| Oil Pump, Pickup Tube, and Attaching Bolt | 21 ft.-lbs. |
| Oil Pump Cover | 95 in.-lbs. |
| Camshaft Sprocket | 90 ft.-lbs. |
| Camshaft Tensioner | 21 ft.-lbs. |
Firing orders with similar vehicles
- Dodge Ram 1500 pickup trucks
- Dodge Durango SUVs
- Jeep Grand Cherokee SUVs
- Chrysler 300 sedans
- Dodge Charger sedans
- Dodge Magnum wagons
- Dodge Challenger coupes
Is 5.7 Hemi a good engine?
Yes, a lot of research has been done and it has been proved that the 5.7-liter Hemi V8 engine is good. It has received positive reviews for its power, torque, and smooth operation.
The engine is perfect for its reliability with high mileage without big issues. Additionally, the Hemi engine has been used in a wide range of vehicles and applications, from trucks to sports cars, highlighting its versatility and performance capabilities.
How much HP does a 5.7 hemi have?
Generally, the 5.7 Hemi engine produces between 345 and 395 horsepower. The horsepower rating of a 5.7-liter Hemi V8 engine can vary depending on the specific vehicle and model year.
For example, the 2021 Ram 1500 with the 5.7 Hemi engine produces 395 horsepower, while the 2021 Dodge Charger with the same engine produces 370 horsepower. The exact horsepower rating of a 5.7 Hemi engine can be found in the vehicle’s specifications or owner’s manual.
Check out Ford 5.0 Firing Order
How do I determine the cylinder numbering on my 5.7 Hemi engine?
Starting from the front of the engine, the cylinders are numbered 1-3-5-7 on the driver’s side and 2-4-6-8 on the passenger’s side.
What vehicles use the 5.7 Hemi engine?
The 5.7-liter Hemi V8 engine has been used in many Chrysler, Dodge, and Jeep vehicles. Here are some examples:
- Chrysler: 300
- Dodge: Challenger, Charger, Durango, Ram 1500, Ram 2500, Ram 3500.
- Jeep: Grand Cherokee, Wrangler
These are just a few examples. The 5.7 Hemi engine has been used in a variety of other vehicles and applications as well, including muscle cars, trucks, and SUVs.
How often should I replace the spark plugs on my 5.7 Hemi engine?
The recommended interval for spark plug replacement on a 5.7-liter Hemi V8 engine is every 160,934 km or 100,000 miles. However, it is always a good idea to refer to the vehicle’s owner’s manual for the manufacturer’s specific recommendations.
Does the 5.7 Hemi engine use a distributor or distributor ignition system?
The 5.7-liter Hemi V8 engine uses a distributor-less ignition system. This means that the engine does not have a distributor that distributes the electrical spark to each cylinder. The spark timing and intensity are adjusted by the computer as needed to ensure optimal performance and fuel efficiency.
Hemi Firing Order [Diagram & Explanation] Video
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