fits make: Chrysler, Dodge, Mopar.

( Brand: Mopar ), ( Manufacturer Part Number: 0HS30SA1 ), ( Type: Parts ), ( Storedescription: Chrysler Corporation Researches, Designs, Manufactures, Assembles )
The **Mopar 0HS30SA1** is a high-performance, direct-injection turbocharged engine from the legendary **Chrysler/Dodge nameplate lineup**, meticulously engineered to deliver an exhilarating blend of power, efficiency, and cutting-edge technology. This **3.0-liter EcoBoost V6** (HS30SA1 designation) represents the pinnacle of modern small-displacement turbocharged performance, designed to thrive in both high-output applications and daily driving scenarios. Built upon Chrysler s advanced **Hemi combustion system**, the HS30SA1 features a **high-flow, high-pressure direct-injection (DDiS) fuel system** that ensures precise atomization for optimal combustion, reducing emissions while maximizing torque delivery. The engine s **compact yet robust architecture** incorporates a **forged crankshaft, precision-machined connecting rods, and a high-strength cylinder block** forged from premium aluminum, ensuring durability under extreme loads. A **variable geometry turbocharger (VGT)** with a **wastegate-driven system** provides seamless boost response, eliminating turbo lag while maintaining efficiency across the RPM spectrum. The HS30SA1 also incorporates **dual overhead camshafts (DOHC)** with **four-valve-per-cylinder heads**, featuring **intake and exhaust cam profiles** optimized for both low-end torque and high-revving performance. Advanced **cooled exhaust gas recirculation (EGR)** and **variable valve timing (VVT)** further refine combustion efficiency, reducing knock sensitivity while enhancing responsiveness. Whether installed in a **Dodge Challenger, Jeep Grand Cherokee, or Chrysler 300**, this engine delivers a **smooth, linear powerband** with **375 400 horsepower and 370 420 lb-ft of torque**, depending on the application, all while achieving **impressive fuel economy** for its class. With **Mopar s legendary reliability** and **aftermarket support**, the HS30SA1 is a versatile powerplant for enthusiasts seeking a balance of performance, refinement, and modern engineering.
The **Mopar 0HS30SA1** is a high-performance, direct-port fuel-injected engine developed by Chrysler (now part of Stellantis) for its high-output applications, including the **Dodge Challenger SRT Hellcat**, **Charger SRT Hellcat**, and **Dodge Durango SRT Hellcat**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros of the 0HS30SA1 Engine**
1. **Extreme Power Output**
The 0HS30SA1 is a **supercharged 6.2L V8** that produces **702 horsepower and 650 lb-ft of torque** in its base form. With modifications (e.g., forced induction upgrades, tuning, or high-flow exhaust), it can easily exceed **800 hp** while maintaining reliability if properly maintained. This makes it one of the most powerful naturally aspirated (or supercharged) engines in its class.
2. **Proven Reliability (When Properly Maintained)**
Unlike some high-performance engines that are built for short-term power, the 0HS30SA1 is designed with durability in mind. Chrysler/Dodge has used this engine in production vehicles for several years, and with proper maintenance (oil changes, cooling system upkeep, supercharger belt tension checks), it can last **200,000 miles** without major issues. Many examples exceed **300,000 miles** with minimal problems.
3. **Supercharger Efficiency**
The **Eagle Supercharger** (a modified version of the Eaton M90) is more efficient than older supercharger designs, offering better boost response and lower heat rejection. It also has a **variable inlet guide vane (VIGV)** to optimize airflow, reducing turbo-like lag and improving throttle response.
4. **High-RPM Capability**
The engine is tuned to rev **up to 7,000 RPM** in stock form, which is rare for a production V8. This high-revving nature contributes to its aggressive sound and performance, though it may require a stronger clutch/differential for daily driving.
5. **Aftermarket Support**
The 0HS30SA1 has a **thriving aftermarket**, with support for:- **Supercharger upgrades** (e.g., larger pulleys, high-flow intercoolers)
- **Fuel system upgrades** (e.g., larger injectors, high-flow fuel pumps)
- **Exhaust and intake modifications** (e.g., high-flow cat-back systems, cold air intakes)
- **Tuning solutions** (e.g., Haltech, AEM, or standalone ECU options)
This makes it relatively easy to push to **1,000 hp** with proper modifications.
6. **Stock Durability for a Supercharged Engine**
While supercharged engines often struggle with longevity, the 0HS30SA1 is built with **high-strength internals**, including:- **Forged crankshaft**
- **Forged connecting rods**
- **High-flow cylinder heads** (with sodium-filled valves for durability)
- **Thick-wall block** (cast iron, not aluminum)
This makes it more robust than many naturally aspirated high-performance engines.
7. **Sound and Driving Experience**
The 0HS30SA1 has a **distinctive, aggressive exhaust note** that appeals to enthusiasts. The supercharger s whine and the engine s high-revving nature make it one of the most fun-sounding V8s in its class. The power delivery is **linear and responsive**, making it great for both street and track use.
8. **Compatibility with Existing Mopar Engines**
The 0HS30SA1 shares many components with other **Mopar 6.2L V8s** (e.g., the **HEMI 6.4L** and **5.7L Magnum**), making swaps and modifications easier. Parts like **valvetrains, oil pans, and transmission mounts** are often interchangeable.
9. **Good for Both Street and Track**
While it s not a **race engine**, the 0HS30SA1 is **track-capable** with proper cooling and support. Many owners run it on **drag strips, autocross, and even time attack** with minimal modifications. The **supercharger s boost response** makes it well-suited for high-RPM driving.
10. **Lower Cost Than Some Alternatives**
Compared to **LS-based supercharged engines** (e.g., the **LS9-based supercharged V8**) or **turbocharged engines**, the 0HS30SA1 is **more affordable to buy and modify**. While high-end builds can be expensive, the base engine is reasonably priced compared to other high-performance V8s.
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### **Cons of the 0HS30SA1 Engine**
1. **Thirst for Fuel and Oil**
The 0HS30SA1 **consumes fuel at a high rate**, especially under heavy boost. Stock fuel economy is **around 10-12 MPG in a Challenger/Charger**, and this only gets worse with modifications. Expect to spend **$500 per month** on fuel if used daily with aggressive driving.
- **Oil consumption** is also an issue some engines burn **1 quart per 1,000 miles** under heavy load. This requires **frequent oil checks** and may necessitate **oil catch cans** or **high-mileage oil additives**.
2. **Supercharger Reliability Concerns**
While the Eagle supercharger is more efficient than older designs, it is still a **high-stress component**. Common issues include:- **Belt wear** (requires frequent tension checks)
- **Pulley bearing failure** (can lead to catastrophic supercharger destruction)
- **Intercooler leaks** (common in older models, leading to boost loss)
- **Supercharger pulley cracking** (especially under extreme boost)
Proper maintenance (e.g., **replacing belts every 50,000 miles**, checking pulleys) is **critical** to avoid expensive failures.
3. **Cooling System Demands**
The 0HS30SA1 **runs hot**, especially under heavy load. Stock cooling systems are **not sufficient** for high-power builds. Common cooling issues include:
- **Thermostat failure** (can lead to overheating)
- **Radiator leaks** (common in older models)
- **Water pump failure** (can seize, causing catastrophic engine damage)
Upgrading to a **high-flow radiator, electric fan, and reinforced water pump** is **highly recommended** for any serious modification.
4. **Transmission and Drivetrain Stress**
The **stock 8-speed automatic (9044/9046)** is **not built for 700 hp** without modifications. Common issues include:- **Clutch wear** (requires frequent replacements)
- **Torque converter failure** (can slip or lock up under heavy load)
- **Differential overheating** (especially in rear-wheel-drive applications)
Upgrading to a **heavy-duty torque converter, clutch, and differential** is **essential** for high-power builds.
5. **Exhaust and Emissions Restrictions**
The 0HS30SA1 is **OBD-II compliant**, meaning it has **emissions controls** (e.g., **EGR, PCV, and catalytic converters**). Modifying the engine for high power often requires:
- **Deleting or bypassing emissions components** (which can trigger **check engine lights** and **DTCs**)
- **Upgrading to high-flow catalytic converters** (which may not be street-legal in some areas)
- **Running a tuner** to compensate for modified airflow/fueling
This can complicate **inspections and registration** in some states.
6. **High Maintenance Costs**
While the engine itself is durable, **high-performance applications increase maintenance costs**. Common expenses include:- **Supercharger rebuilds** ($1,500 $3,000)
- **Fuel system upgrades** (injectors, fuel pump, rails)
- **Cooling system overhauls** (radiator, hoses, thermostat)
- **Transmission and drivetrain upgrades**
A **well-maintained 0HS30SA1 can cost $1,000 $2,000/year** in upkeep for high-power builds.
7. **Not Ideal for Daily Driving Without Modifications**
Stock **702 hp** is **extremely aggressive** for daily use. Many owners report:- **Excessive wear on tires and brakes**
- **Transmission slippage** (stock 8-speed struggles with constant high power)
- **Fuel economy that makes daily use impractical**
If you want a **daily driver**, you may need to **limit power output** or invest in **heavy-duty drivetrain upgrades**.
8. **Limited Long-Term Data**
While the engine has been around since **2015**, **long-term reliability data (beyond 200,000 miles) is still limited**. Some early models had
Buyer should verify this is the exact part needed before purchasing.