Loading

How much HP is a 5.7 Hemi good for?


The 5.7 Hemi engine is a popular choice among car enthusiasts and truck owners alike, known for its balance of power, reliability, and performance. Whether you're driving a Dodge Charger, Ram 1500, or Jeep Grand Cherokee, the 5.7 Hemi delivers impressive horsepower and torque. But just how much horsepower can you expect from this engine? Let’s dive into the details.


Stock Horsepower of the 5.7 Hemi


In its stock configuration, the 5.7 Hemi engine typically produces between 345 and 395 horsepower, depending on the vehicle it’s installed in and the model year. For example:



  • The Dodge Charger R/T with a 5.7 Hemi delivers around 370 horsepower.

  • The Ram 1500 equipped with the same engine produces approximately 395 horsepower.

  • Older models, such as early 2000s versions, may have slightly lower horsepower ratings, closer to 345-350 horsepower.


This range of horsepower makes the 5.7 Hemi a versatile engine, capable of handling both performance and utility tasks with ease.


Potential for Increased Horsepower


One of the reasons the 5.7 Hemi is so beloved is its potential for modification. With the right upgrades, you can significantly boost its horsepower. Here are some common ways to increase the power output:



  • Cold Air Intakes: Installing a high-performance cold air intake can improve airflow to the engine, resulting in a modest horsepower gain.

  • Exhaust System Upgrades: A performance exhaust system reduces backpressure and allows the engine to breathe better, adding more power.

  • Tuning: A custom ECU tune can optimize the engine's performance, unlocking additional horsepower.

  • Superchargers or Turbochargers: Adding forced induction can dramatically increase horsepower, often pushing the 5.7 Hemi well beyond 500 horsepower.

  • Camshaft Upgrades: A performance camshaft can improve valve timing and lift, resulting in better engine performance.


With these modifications, it’s not uncommon for enthusiasts to achieve 450-500 horsepower or more from their 5.7 Hemi engines.


Factors That Affect Horsepower


It’s important to note that the actual horsepower of a 5.7 Hemi can vary based on several factors:



  • Vehicle Weight: Heavier vehicles like trucks may experience slightly lower performance compared to lighter cars.

  • Fuel Quality: Using premium fuel can help the engine perform at its best.

  • Maintenance: Regular maintenance, such as oil changes and spark plug replacements, ensures the engine operates efficiently.


Conclusion


The 5.7 Hemi engine is a powerhouse in its own right, offering between 345 and 395 horsepower in stock form. With the right modifications, it can easily surpass 500 horsepower, making it a favorite among performance enthusiasts. Whether you’re looking for a reliable daily driver or a high-performance machine, the 5.7 Hemi delivers the power and versatility you need.


Frequently Asked Questions

How much HP can a 5.7 Hemi handle?


The factory rods are powdered metal with a cracked cap design and can handle about 650 hp. If you're getting forged pistons, upgrade to Forged Connecting Rods at the same time. The OE cast crankshaft can handle about 650 hp and 7,000 rpm (for a limited time).



How much HP does a tune add to a 5.7 Hemi?


Neither applies here, as the general consensus on the internet for your 5.7-liter Hemi suggests you'll get 10-20 horsepower with a performance tune, 20+ when including the above performance modifications.



Is the 5.7 HEMI a strong engine?


The 5.7 Hemi is a popular V8 engine that is used in many vehicles manufactured by Dodge and Chrysler. The 5.7 Hemi is known for its impressive power and torque output, and for the 2021 model year, it has an output of up to 395 horsepower and 410 lb-ft of torque.



How do you get rid of a 5.7 Hemi tick?


Use High-Quality Oil
Choosing the best oil for Hemi tick can make a significant difference. High-performance synthetic oils designed for Hemi engines provide better lubrication, which reduces friction and wear, thus preventing the Hemi tick noise.



What years to avoid for the 5.7 hemi?


The worst years
While the 5.7L HEMI is a powerful and reliable motor, it isn't free from bugs. A few model years, in particular, have proven more problematic than others. Model years 2011 and 2012 stand out when it comes to bad years for the 5.7L HEMI, with 2012 being an especially lousy period for Ram pickups.



How to get 700 hp out of a 5.7 Hemi?


you can get 700 horsepower out of a 5.7 Hemi by supercharging or turbocharging the engine. You can also try these modifications: High performance injectorsReplace the stock fuel injectors with high performance injectors designed for 700 horsepower or more.



How much horsepower can a tune add to a 5.7 HEMI?


Neither applies here, as the general consensus on the internet for your 5.7-liter Hemi suggests you'll get 10-20 horsepower with a performance tune, 20+ when including the above performance modifications.



How much HP does a tune add to a 5.7 HEMI?


Neither applies here, as the general consensus on the internet for your 5.7-liter Hemi suggests you'll get 10-20 horsepower with a performance tune, 20+ when including the above performance modifications.



What engine can handle 1000 hp?


A streetable Ford Coyote engine can make 1,000 hp with a turbocharger or supercharger on 15 to 16 psi of boost running pump premium unleaded gas. Ford Coyote specialist MPR Racing routinely builds 1,000hp Ford Coyote engines. A turbocharger is easier on the crank compared to a supercharger, but more expensive.



Can a 5.7 Hemi make 1000 HP?


1,000-HP Bolt-on System for 5.7-Liter and 6.4-Liter Hemi. COMP and Edelbrock pair the newest camshaft tech with supercharger upgrades to break the Hellcat code!


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.