PONTIAC 300-12025A Engine Calais 4-151 2.5L 8TH

( Part Type: Engine ), ( Conditions Options: 2.5, Aod, Vinu, 44k, Sharp Runner ), ( Genuine Oem: Yes ), ( Ipn: 300-12025a )

Review PONTIAC Engine 2.5l Vin 8th Digit Fits Calais fits 1990–1991

The Pontiac 300 12025A engine, specifically a 4-151 2.5L model from the 8th generation produced between 1990 and 1991 for the Calais, is a compact and efficient powertrain. This engine is part of General Motors' Family II series, known for its durability and reliability.

The 2.5L inline-four-cylinder engine boasts a displacement of 2,494cc, featuring a cast-iron block and aluminum cylinder head. The engine employs a single overhead camshaft design, allowing for a more compact and lighter construction. The engine's bore and stroke measurements are 87.0mm x 92.4mm, respectively.

One of the key features of the 300 12025A engine is its Multi-Port Fuel Injection (MPFI) system, which enhances the engine's fuel efficiency and performance. This system delivers fuel directly into the intake ports, ensuring precise and efficient combustion. The engine also comes with a single exhaust manifold, helping to minimize exhaust emissions and improve overall engine performance.

The 300 12025A engine generates a maximum power output of 105 horsepower at 5,200 rpm and 155 lb-ft of peak torque at 2,400 rpm. With a compression ratio of 9.3:1, this engine provides a balanced and responsive power delivery.

Additionally, the engine features a robust cooling system, which includes a water pump, thermostat, and a radiator to maintain optimal operating temperatures. Furthermore, the engine comes with a power steering system and a manual transmission, allowing for precise control and a more engaging driving experience.

In summary, the Pontiac 300 12025A engine is a reliable and efficient powertrain that was a part of the 1990-1991 Calais. With its compact design, Multi-Port Fuel Injection system, and robust cooling system, this engine offers a balanced and responsive performance that is sure to meet the demands of daily driving.

The Pontiac 300-12025A engine, also known as the 2.5L 4-151 8-cylinder engine, was used in the Pontiac Calais models from 1990 to 1991. Before making a decision to buy this engine, it's essential to consider its pros and cons.

1. Relatively Inexpensive: Compared to newer engines or engines from premium manufacturers, the 2.5L 4-151 engine is relatively affordable.

2. Availability: Due to its widespread use in various GM vehicles during the late 1980s and 1990s, replacement parts and expertise are readily available.

3. Power: Although it's a smaller engine, the 2.5L 4-151 engine delivers decent power for its size, which is suitable for daily driving and commuting.

4. Fuel Efficiency: This engine is known for its relatively good fuel efficiency, which can save money on gas over time.

1. Age: As the engine is over 30 years old, it may require more frequent maintenance and repairs than a newer engine.

2. Emissions: The engine does not meet modern emissions standards, which may require additional modifications or aftermarket parts to pass inspections.

3. Performance: It may not provide the same level of performance as newer engines, particularly in terms of acceleration and top speed.

4. Depreciation: An older engine like the 2.5L 4-151 engine may not hold its value as well as a newer or more desirable engine.

The Pontiac 300-12025A engine, or the 2.5L 4-151 8-cylinder engine, can be a suitable choice for those looking for an affordable and relatively reliable engine for older vehicles. It offers decent power, good fuel efficiency, and parts availability. However, its age and emissions issues may require additional investments in maintenance and repairs. If performance is a priority, it may be worth considering newer, more powerful engines.

If you're in the market for a used engine and the 2.5L 4-151 engine fits your budget and vehicle requirements, it could be a reasonable choice. However, ensure that you are aware of the potential maintenance and repair costs and consider the availability of replacement parts. Additionally, if emissions inspections are required, factor in the cost of any necessary modifications or aftermarket parts. Ultimately, a well-maintained and properly rebuilt 2.5L 4-151 engine can provide reliable service for many years.

Details:

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part #: 300-12025a prices

• $12.00-$22.36

specifications grokengines:

• for makes: Pontiac
• for years: 1990-1991
• part type: Engine
• conditions options: 2.5, Aod, Vinu, 44k, Sharp Runner
• genuine oem: Yes
• ipn: 300-12025a

general grokengines:

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

returns grokengines:

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

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• cost: $0.00
• class: Freight
• type: Fixed
• service: Flat Rate Freight

offer grokengines:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: April 15, 2025

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seller grokengines:

• rating: 93.6%
• # reviews: 1683
• city: Elgin, Illinois

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