
The HEMI engine is well-known for its power and dependability, and its oil pans are a crucial component of its lubrication system. The 345 HEMI engine, with its 5.7L capacity, is a popular choice for those seeking high performance and durability. When it comes to oil pans for the 345 HEMI, there are a variety of options available, including those made from aluminum or steel, with different sump configurations and capacities. The right oil pan for a 345 HEMI engine will depend on the specific requirements of the vehicle, such as engine swap compatibility, horsepower, and torque needs.
| Characteristics | Values |
|---|---|
| Engine Swap | Center Sump, Rear Sump, Mid-Sump VVT |
| Engine Type | Gen III Hemi |
| Engine Size | 5.7L/345, 6.1L, 6.4L |
| Vehicle Make | Chrysler, Dodge, Jeep, Ram, Plymouth |
| Vehicle Models | LX, LC, A-Body, B-Body, C-Body, E-Body |
| Oil Pan Material | Steel, Cast Aluminum, Billet Aluminum |
| Oil Pan Capacity | 6 qt., 7 qt., 11 qt. |
| Oil Pan Drain Plug | Magnetic, Chrome Magnetic, 14mm x 1.50 Thread Size |
| Oil Pan Drain Plug Gasket | Yes |
| Oil Filter | Moroso Oil Filter |
| Oil Pan Depth | 6.250 in., 7.00 in., 7.625 in., 8.00 in. |
| Oil Pan Colour | Gold Iridited, Black, Natural |
| Fitment | 2004-2023 5.7L Hemi, 1963-1974 Mopar, 1966-1970 B-Body Mopar |
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What You'll Learn

Dodge 5.7L/345 Mopar Hemi Gen III oil pans
Mopar's Gen III Hemi engines are known for their durability and reliability. The Dodge 5.7L/345 Mopar Hemi Gen III engine is no exception. To keep this engine well-maintained, it is important to pay attention to its oil pan and ensure that it is compatible with the engine.
Summit Racing offers a range of oil pans specifically designed for the Dodge 5.7L/345 Mopar Hemi Gen III engine. These oil pans are made from high-quality materials, such as cast aluminium, steel, and billet aluminium, ensuring durability and optimal performance.
One option is the Drag Race oil pan, which features a wet sump design and is crafted from polished aluminium. It has a capacity of 11 quarts and a front sump configuration. This oil pan is suitable for Chrysler, Dodge, and Plymouth vehicles equipped with the 5.7L/6.1L Hemi engine.
Another choice is the Pro Touring oil pan, which is part of the Mopar Gen III Hemi engine family. It boasts a 7-quart capacity and is constructed from steel with a gold iridite finish. This oil pan is designed for engine swaps with a tubular K-member.
In addition to these options, Summit Racing also offers oil pans with different capacities, sump configurations, and finishes. These oil pans cater to various Dodge, Chrysler, and Plymouth models, ensuring a precise fit and compatibility with the 5.7L/345 Mopar Hemi Gen III engine.
When upgrading or maintaining the Dodge 5.7L/345 Mopar Hemi Gen III engine, it is crucial to consider the oil pan's compatibility and performance. By choosing a suitable oil pan from reputable sources like Summit Racing, you can ensure the engine's optimal lubrication, performance, and longevity.
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Oil pan drain plugs
Oil pans are essential components of an engine's lubrication system, and oil pan drain plugs play a critical role in maintaining the engine's health. While searching for "can oil pan support 345 hemi", I found information on the 5.7L/345 Mopar Hemi Gen III engine and its compatible oil pan drain plugs.
The 5.7L/345 Mopar Hemi Gen III engine is a powerful and popular choice for automotive enthusiasts. This engine is known for its performance and has a dedicated market for aftermarket parts and modifications. The oil pan drain plugs specifically designed for this engine come in a range of styles and materials.
Summit Racing, for example, offers magnetic drain plugs with 1/2-20 RH inch threads and a copper seal. These magnetic drain plugs attract and capture metallic particles, helping to prevent engine wear. Chrome-plated magnetic drain plugs are also available, offering a combination of function and style. Additionally, there are drain plugs made of steel, some with a natural finish and others black powder-coated, both featuring a neodymium super magnet and copper seal.
When it comes to the oil pans themselves, there are options for HEMI engines that provide increased oil capacity and improved performance. Moroso, for instance, offers a Drag Race Pan designed for racers seeking maximum horsepower and oil control during straight-line acceleration. This pan is constructed from billet aluminium and features a fabricated aluminium "T" sump, increasing the oil capacity to 11 quarts.
In conclusion, oil pan drain plugs are a vital yet often overlooked aspect of engine maintenance. The availability of high-quality, precision-manufactured drain plugs, such as those offered by ECOGARD®, ensures the proper functioning of HEMI engines like the 5.7L/345 Mopar Hemi Gen III. Furthermore, the variety of aftermarket oil pans and parts available empowers enthusiasts to enhance the performance and longevity of their engines.
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Oil pan capacity
The oil pan capacity of an engine is the maximum volume of oil that the oil pan can hold. The oil pan capacity of a 345 Hemi engine is dependent on the make and model of the car, as well as the generation of the Hemi engine.
For example, the oil pan capacity of a Gen III 5.7L/345 Hemi engine in a Dodge, Chrysler, or Plymouth vehicle is 6 quarts. This is the case for both the steel and cast aluminum oil pans.
On the other hand, the oil pan capacity of a Gen III Hemi engine in a Chrysler LX with a Drag Pack is 10 quarts. This oil pan is made of aluminum and has a depth of 7.5 inches.
The oil pan capacity of a 345 Hemi engine can also be increased with certain modifications. For instance, the Moroso Drag Race Pan is a custom-fabricated wet sump oil pan that increases the oil capacity of 5.7L-6.1L HEMI engines to 11 quarts.
It is important to note that the oil pan capacity of an engine is different from the oil capacity, which is the total volume of oil that the engine requires for proper lubrication. The oil capacity of a 345 Hemi engine will depend on various factors, including the type of oil used and the specific recommendations of the vehicle manufacturer.
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HEMI engine tuning
HEMI engines are known for their power and reliability. They are popular for their performance and are often used in muscle cars. HEMI engine tuning can be done to address drivability issues and properly calibrate the ECU and TCM to work with installed performance parts.
There are various ways to improve the performance of a HEMI engine. One way is to use a HEMI supercharger kit, which offers the best power-per-dollar option. Another way is to install an API signature throttle body and cold air intake combination or upgrade the exhaust system to enhance the classic muscle car sound.
For beginners, there are courses available that teach the basics of tuning a stock car with a HEMI engine. These courses cover topics such as changing injector size, modifying the MDS, updating the engine size, fixing idle stability, and using scanners for diagnostics.
HEMI engines have specific parts and components designed to enhance their performance, such as high-quality aluminum oil pans, which are durable and reliable. These oil pans are available for Gen 3 HEMI engines and are suitable for muscle cars.
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HEMI performance oil pans
MMX Modern Muscle Xtreme offers high-quality aluminium oil pans for the Gen 3 HEMI engine. These oil pans are compatible with a range of vehicles, including Chrysler models with the Hellcat front timing. The pans feature a wet sump design and range in capacity from 5 quarts to 11 quarts.
Moroso is another brand that offers HEMI performance oil pans. Their Drag Race Pans are designed for racers seeking maximum horsepower gain and improved oil control during straight-line acceleration. These pans are compatible with 5.7L to 6.1L HEMI-powered vehicles and feature road race trap door baffles, providing superior oil control in drag and road racing conditions.
If you're looking for increased horsepower and torque without invasive modifications, API signature throttle bodies and cold air intake combinations are worth considering. These simple upgrades can boost engine performance in as little as 15 minutes, providing reliable power for your HEMI engine.
Additionally, Arrington offers performance HEMI engines and parts, utilising their NASCAR engine-building expertise. They provide standard blocks, such as the forged 345, and custom builds tailored to your specific requirements.
To ensure the safety and optimal performance of your HEMI engine, it is essential to maintain the correct Air/Fuel ratio and keep the engine well-lubricated. Upgrading fuel systems and oiling system components can help achieve this balance, especially when increasing air volume or adding power adders.
Finally, when it comes to oil pan drain plugs, Summit Racing offers a range of options specifically for the DODGE 5.7L/345 Mopar Hemi Gen III engine. These drain plugs come in different styles, including magnetic and chrome-finished, ensuring proper maintenance and oil changes for your HEMI engine.
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Frequently asked questions
A 345 Hemi is a 5.7L engine.
The following oil pans are compatible with the 345 Hemi:
- Holley Gen III Hemi Swap Oil Pan
- Moroso Drag Race Pans
- Moroso 6.25-Inches Deep Dragpak Performance Rear Sump Oil Pan
- Gen III Hemi Oil Pan
You can buy oil pans for the 345 Hemi from the following websites:
- Summit Racing
- MMX Modern Muscle Xtreme
- ShopHEMI
- Holley











































