1. Car & Truck Engines Used/New Products
  2. sku: 3608319890705531
  3. AMERICAN JAVELIN

AMERICAN MOTORS 300-07258C Core Block Engine Stuck 6-258 1198390

fits model: Javelin. year: 1973.

300-07258c American Motors Core Long Block Engine 6-258 Vin A Stuck Fits 1973 Javelin 1198390

( Brand: American Motors ), ( Part Type: Block Engine Motor ), ( Conditions Options: Core, 258, For Rebuild, Core, Stuck ), ( Genuine Oem: Yes ), ( Ipn: 300-07258c ), ( Make: American )

Review AMERICAN MOTORS Core Long Block Engine Vin Stuck Fits fits JAVELIN 1973

The American 300-07258C core block engine, also known as the 6-258, is a high-performance solution for those looking to rebuild or restore a 1973 Javelin with a desirable and powerful V8 engine. This engine is a great choice for Javelin enthusiasts seeking to enhance their vehicle's power and performance, while retaining its original character and appeal.

At its heart, this 300-07258C core block engine is a sturdy and robust design, crafted from premium materials to deliver exceptional durability and longevity. The engine block is made with a nodular iron material, renowned for its strength and resistance to heat and stress. This block design also features deep-skirt construction, which enhances the engine's rigidity, reducing vibration and providing a more stable foundation for the components.

The cylinder bore size of this engine is 3.95 inches, with a total displacement of 258 cubic inches - a configuration that delivers enough power for thrilling acceleration and passing maneuvers, while still maintaining fuel efficiency and overall drivability. This engine also boasts a 9.7:1 compression ratio, facilitating a better power-to-weight ratio for improved overall vehicle performance and response.

One notable feature of the American 300-07258C core block engine is its durability. The engine was initially designed for heavy-duty applications, making it an excellent choice for those looking for a reliable powertrain for their Javelin. The 6-bolt main bearings ensure maximum strength, while the detailed cast iron cylinder liners ensure a snug fit and minimal piston-to-wall contact, enhancing engine lifespan.

The 300-07258C engine also comes with upgraded features such as a hydraulic roller camshaft for smoother valve operation, a high-performance intake manifold for improved airflow, and redesigned pistons made from advanced materials that offer better thermal conductivity and strength. Additionally, the engine incorporates upgraded pushrods, lifters, and valve springs, among other enhancing components, making it a top choice for performance-focused Javelin rebuilds or restorations.

This engine is compatible with automatic and manual transmissions, making it suitable for a wide range of driving preferences and applications. Moreover, its classic design and compatibility with original components allow it to maintain the OEM look of a 1973 Javelin, making it an excellent choice for those enthusiasts seeking to preserve their vehicle's historical authenticity while enhancing its power and handling.

In conclusion, the American 300-07258C core block engine serves as an ideal powerplant choice for 1973 Javelin restoration projects, offering a perfect blend of performance, reliability, and historical authenticity. The engine's robust construction, extensive upgrades, and compatibility with various transmissions make it a preferred option for those seeking a powerful, high-quality engine for their beloved classic vehicle.

Buying a used American 300-07258C Core Block Engine for a 1973 Javelin comes with its own set of advantages and disadvantages. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Availability: Detroit-built 300 series engines are widely available on the used market, which makes it easier to find a replacement core block engine for your 1973 Javelin.

2. Affordability: Aftermarket prices for used engine blocks can be significantly lower than buying a new engine or even a rebuilt one from a dealership.

3. Potential for Restoration: Since a core block engine is typically a used engine being sold for its core (the engine block), you may find a cheaper engine that has untouched pistons, cylinder heads, or other components that can be rebuilt and reused, potentially saving you money in the long run if you are looking for a project.

Cons:

1. Quality Concerns: The primary downside to buying a used engine core block is the unknown quality of the engine. Although some sellers may provide honest descriptions of the engine s condition, there is always a risk of encountering issues after installation.

2. Need for Rebuild: Depending on the condition of the engine, there might be additional costs for evaluating, rebuilding, and reinstalling new parts.

3. Transportation: Since a core block engine is defined as an engine being sold for its core (the engine block), you will typically need to return the old core to the seller or arrange for its disposal, which can be an added cost or inconvenience.

Conclusion:

Weighing the pros and cons, buying a used American 300-07258C Core Block Engine for a 1973 Javelin can be a wise choice if you are looking for an affordable option and don t mind putting in the effort to evaluate its condition and desired modifications. However, it carries the risk of unforeseen repairs and potential hidden issues. It s recommended that you thoroughly inspect the engine, verify its history, and check its condition with a trusted mechanic before making the purchase. If possible, consider reaching out to dealerships or specialist shops to discuss the availability and costs of new or rebuilt engines as alternatives. Ultimately, the decision depends on your resources and personal preferences regarding time, cost, and desired level of engine reliability.

Details:

Avondale, MN 55302. What is covered. For example, when installing a transmission, the torque converter needs to be seated properly on input shaft

Check the Q A section for Business Support. Said convenience items are not covered under the 90-day warranty. Covered under warranty: An engine block is found to be cracked and NOT rebuild able would covered the 90-day warranty.

Full warranty not available for items listed as CORE. 3531 County Road 3 NW. Items listed as CORE are only guaranteed rebuild able. Steering Columns: All steering columns sold will come without airbags.

Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Bumper assemblies DO NOT come with Upper Grilles unless stated. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. Transmissions: Transmissions will come with the torque converter and all sensors.

If a return is accepted, please ship the item to address below. Lack of these convenience items does not warrant a return. Warranty does NOT cover labor, diagnostics, towing costs, rental car, or any other expenses related to an item being defective/damaged. No expedited shipping is available.

part #: 300-07258c price

  • $10.00

specifications grokengines:

  • for models: Javelin
  • for years: 1973
  • brand: American Motors
  • part type: Block Engine Motor
  • conditions options: Core, 258, For Rebuild, Core, Stuck
  • genuine oem: Yes
  • ipn: 300-07258c
  • make: American

offer grokengines:

  • started: January 19, 2025
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

general grokengines:

  • Car Truck Parts Accessories > Engines Engine Parts > Engines
  • condition: Used

shipping grokengines:

  • transit: 5-11 Days
  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $325.00

seller grokengines:

  • rating: 99.1%
  • city: Annandale, Minnesota
  • # reviews: 34540

payments grokengines:

  • wallet: Paypal
  • other
  • credit card: Mastercard

returns grokengines:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer
for models: javelin, for years: 1973, part type: block engine motor, conditions options: core, 258, for rebuild, core, stuck, genuine oem: yes,
manufacturer: american, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 3608319890705531,

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