PONTIAC 300.GM2S55 Core Block Engine Stuck 8-288 1230561

( Part Type: Block Engine ), ( Conditions Options: Core, 288, For Rebuild, Core ), ( Genuine Oem: Yes ), ( Ipn: 300.gm2s55 ), ( Designation: For Parts Not Working )

Review PONTIAC Core Long Block Engine Stuck Fits fits 300 1955

The Pontiac 300.gm2s55 core block engine, specifically model 8-288 from the year 1955, is a remarkable piece of automotive history. This engine is a straight-six design, featuring an iron block and aluminum cylinder heads. It was a popular choice for various Pontiac models during the mid-1950s.

The core block of this engine is the heart of the powertrain, responsible for supporting the cylinders, crankshaft, and other essential components. It is a robust design, with a total displacement of 288 cubic inches or approximately 4.7 liters. The engine block itself is cast iron, providing exceptional strength and durability.

The engine's six cylinders have a bore and stroke measurement of 3.75 inches by 3.48 inches, respectively. This configuration delivers a balanced power output, ensuring smooth performance. The cylinder heads are made of aluminum, which is lighter than iron and helps to dissipate heat more efficiently, contributing to the engine's overall efficiency.

One unique aspect of this engine is its stuck condition. The term "stuck" refers to an engine that cannot be easily started due to various reasons. In the case of this 1955 Pontiac 300.gm2s55 engine, it may have developed sticking pistons or rings, or it could be suffering from a carbon buildup in the combustion chamber. These issues could be caused by a lack of use, poor fuel quality, or other factors.

Despite its stuck state, this engine retains its original charm and character. Restoring it to its former glory would require a thorough rebuild process. This would involve removing the cylinder heads, disassembling the engine block, assessing the condition of the pistons, rings, and crankshaft, and addressing any issues found. This process would also include cleaning and reconditioning the cylinder heads, installing new piston rings, and reassembling the engine with fresh gaskets and seals.

Once fully restored, this 1955 Pontiac 300.gm2s55 engine would regain its powerful and dependable performance. Its unique history, coupled with its robust design, makes it an enticing prospect for any collector or enthusiast looking for a project with character and potential.

The Pontiac 300 GM2S55 core block engine with the 8-288 stuck crankshaft is a classic automotive issue that can leave car owners in a dilemma about whether or not to buy one for their restoration project or daily driver. Here are some pros and cons that can help you make an informed decision.

1. Affordability: Compared to new engines, used engines like the Pontiac 300 GM2S55 are generally more affordable. This can be a significant advantage for those on a budget.

2. Availability: These engines are relatively common in the used market, making them easier to find than some less common engine models.

3. Parts Availability: Since these engines are commonly found in older vehicles, there is a wealth of information and aftermarket parts available for them.

4. Character: For those who enjoy the sound and feel of older engines, the Pontiac 300 GM2S55 can offer a unique driving experience.

1. Mechanical Issues: Engines with stuck crankshafts like the one in question can have significant mechanical issues. These issues can range from simple to complex and expensive to repair.

2. Unknown History: Used engines come with an unknown history. There is no way to know for certain how the engine was maintained or how it was used before it was sold. This can lead to unexpected repairs and maintenance costs.

3. Compatibility: Make sure the engine is compatible with your vehicle. While many classic cars used similar engines, there can be variations that require modifications to make the engine work properly.

4. Performance: Older engines like the Pontiac 300 GM2S55 may not offer the same level of performance as modern engines. This can be a significant drawback for those who value power and acceleration.

The decision to buy a Pontiac 300 GM2S55 core block engine with a stuck crankshaft ultimately depends on your budget, your mechanical skills, and your personal preferences. If you're on a tight budget, have the mechanical skills to repair the engine, and enjoy the character of older engines, then this engine could be a good choice. However, if you value performance, reliability, or have limited mechanical skills, then it may be worth considering a newer or rebuilt engine. Ultimately, it's essential to weigh the pros and cons carefully and consider all the costs involved before making a decision.

Details:

Full warranty not available for items listed as CORE. Steering Columns: All steering columns sold will come without airbags. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines.

If a return is accepted, please ship the item to address below. Avondale, MN 55302. Check the Q A section for Business Support. Bumper assemblies DO NOT come with Upper Grilles unless stated.

Lack of these convenience items does not warrant a return. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Covered under warranty: An engine block is found to be cracked and NOT rebuild able would covered the 90-day warranty.

No expedited shipping is available. What is covered. 3531 County Road 3 NW. Transmissions: Transmissions will come with the torque converter and all sensors.

Said convenience items are not covered under the 90-day warranty. Items listed as CORE are only guaranteed rebuild able. For example, when installing a transmission, the torque converter needs to be seated properly on input shaft. Warranty does NOT cover labor, diagnostics, towing costs, rental car, or any other expenses related to an item being defective/damaged.

part #: 300.gm2s55 prices

• $112.68-$364.02

specifications grokengines:

• for makes: Pontiac
• for years: 1955
• part type: Block Engine
• conditions options: Core, 288, For Rebuild, Core
• genuine oem: Yes
• ipn: 300.gm2s55
• designation: For Parts Not Working

seller grokengines:

• city: Annandale, Minnesota
• rating: 99.3%
• # reviews: 36002

payments grokengines:

• credit card: Mastercard
• wallet: Paypal
• other

returns grokengines:

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

shipping grokengines:

• transit: 3-7 Days
• type: Fixed
• cost: $335.00
• class: Standard
• service: Standard

offer grokengines:

• availability: In Stock
• quantity: 1
• started: June 3, 2025
• sold: 0
• options: Ship-to-home

general grokengines:

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

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