BUICK 300.GM4N55 Core Block Engine Stuck 8-264 1272050

( Model: BUICK-SPE ), ( Part Type: Block Engine ), ( Conditions Options: Core, 264, For Rebuild, Core ), ( Genuine Oem: Yes ), ( Ipn: 300.gm4n55 ), ( Designation: For Parts Not Working )

Review BUICK Core Long Block Engine Stuck Fits Special fits 300 1955

The Buick 300.Gm4n55 core block engine, specifically the 1955 model with the 8-264 stuck block identification, is a remarkable piece of automotive history. This engine, a part of Buick's renowned straight-eight engine series, boasts impressive power and reliability that were hallmarks of Buick vehicles during the mid-20th century.

The core block, also known as the crankcase, is the base part of the engine where the crankshaft and cylinder liners reside. In the case of the 1955 Buick 300.Gm4n55 engine, the core block is a cast iron piece that provides the structural foundation for the entire engine. The 8-264 stuck block identification refers to a specific casting number for this particular engine.

The Buick 300.Gm4n55 engine is a straight-eight, meaning it has eight cylinders arranged in a straight line, firing in a sequence of four pairs. Each cylinder has a bore size of 3.75 inches and a stroke length of 4.0 inches, resulting in a total displacement of 300 cubic inches. This configuration delivers a substantial amount of power and torque, making the engine ideally suited for larger vehicles and heavy loads.

The engine block itself is a marvel of engineering, featuring a crossflow design that aids in the efficient cooling of the engine. The block also houses the oil pump, water pump, and various other essential components necessary for the engine's operation. The cylinder liners are installed directly into the block and are often referred to as "stuck" when they have fused to the block due to excessive wear or overheating.

The 1955 Buick 300.Gm4n55 engine is a collector's item for automotive enthusiasts and classic car restorers. Its impressive power output, distinctive sound, and historical significance make it a highly desirable engine for those seeking to restore or rebuild a classic Buick vehicle. For those looking to repair or rebuild their existing engine, a reconditioned or remanufactured core block can be an affordable and effective solution.

In summary, the Buick 300.Gm4n55 core block engine, specifically the 1955 model with the 8-264 stuck block identification, is an impressive piece of automotive history. Its powerful straight-eight configuration, efficient crossflow design, and historical significance make it a highly sought-after engine for collectors and restorers alike. Whether for restoration, repair, or rebuilding, a reconditioned or remanufactured core block offers an affordable and effective solution for those seeking to keep their classic Buick vehicles running strong.

The Buick 300 GM 4-N-55 core block engine, specifically the 1955 model with the 8-264 stuck piston issue, comes with both advantages and disadvantages for potential buyers. Here's a brief assessment of each.

1. Vintage appeal: This engine holds significant historical value due to its association with classic cars from the 1950s. Collectors and enthusiasts often seek out engines like this for their restoration projects.

2. Availability: As a common engine from its era, parts for the Buick 306/300 series engines are relatively easy to find, making repairs and maintenance more accessible.

3. Affordability: Compared to newer engines or rare, collectible engines, the Buick 300 GM 4-N-55 engine can be a more budget-friendly option for those looking to save on engine costs.

1. Complexity: The Buick 300 engine, especially the 4-N-55 variant, is known for its complexity. With its overhead valve design and multiple components, it may require more time and expertise to diagnose and repair issues.

2. Age: The age of the engine can lead to various problems, such as worn-out parts, corrosion, and potential compatibility issues with modern vehicles or components.

3. Performance: While the Buick 300 engine offers a certain level of power and torque for its time, it may not compare favorably to modern engines in terms of fuel efficiency, emissions standards, and overall performance.

The Buick 300 GM 4-N-55 engine, with its vintage appeal, availability, and affordability, can be an attractive option for collectors, enthusiasts, or those looking for a budget-friendly engine solution. However, the complexity, age, and potential performance limitations should be carefully considered before making a purchase. Ultimately, the decision to buy this engine depends on individual preferences, goals, and resources.

If you're looking for a vintage engine with historical significance and a strong community of enthusiasts, the Buick 300 GM 4-N-55 engine could be a suitable choice. However, ensure you have the necessary expertise, resources, and time to address any potential issues that may arise due to its complexity and age. If you're unsure, consider consulting with a professional mechanic or engine specialist for their advice and recommendations.

Details:

Exclusions from Limited Warranty. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Labor and Related Costs: This limited warranty does not cover labor, diagnostics, towing, rental car costs, or any other expenses related to the installation, testing, removal, replacement of a part. No expedited shipping is available.

Dispute Resolution. CORE,264,FOR REBUILD,CORE. The part has not been altered, modified, disassembled, overheated or damaged

Scope: This limited warranty covers defects in the purchased part that render it inoperable or defective within 90-day period. Check the Q A section for Business Support. Sensors, valve covers, timing covers attached to core short/long blocks are not covered. Steering Columns: All steering columns sold will come without airbags.

Brokered/non-stocked parts ordered specifically for your request. The part is not a custom body cut. Normal wear and tear from the previous use is expected.

Bolt-on items Transmissions: Transmissions will come with the torque converter and all sensors. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. The part has not been installed.

Limited Warranty Coverage. Convenience Items: Items attached to or included with the part, such as wiring, bulbs, sockets, sensors, coils, distributor caps, spark plugs, water pumps, filters, brake parts, backing plates, hoses, vacuum lines, u-joints, timing belts/components, similar items, are considered convenience items and not covered by this limited warranty. Bumper assemblies DO NOT come with Upper Grilles unless stated. All parts sold as is except expressly provided below.

The part is not a special order. Please remember you are purchasing OEM Original Equipment Manufacturer USED parts.

part #: 300.gm4n55 prices

• $87.95-$250.00

specifications grokengines:

• for makes: Buick
• for years: 1955
• model: Buick-spe
• part type: Block Engine
• conditions options: Core, 264, For Rebuild, Core
• genuine oem: Yes
• ipn: 300.gm4n55
• designation: For Parts Not Working

offer grokengines:

• availability: In Stock
• started: October 20, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0

payments grokengines:

• wallet: Apple-pay
• credit card: Visa
• other

returns grokengines:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

seller grokengines:

• city: Annandale, Minnesota
• # reviews: 38872
• rating: 99.5%

shipping grokengines:

• class: Standard
• service: Standard
• cost: $335.00
• type: Fixed
• transit: 2-4 Days

general grokengines:

• condition: For parts or not working
• Car Truck Parts Accessories > Engines Engine Parts > Engines

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