31223554 DART Big Iron Block M2 Chevy

Review DART Big Iron Block Chevy Blocks for CHEVY M2

Introducing the Dart Big M2 Iron Block Chevy Engine Block (Part Number: 31223554), a high-performance solution for building a powerful and reliable Chevrolet engine. This cast iron block is engineered to provide superior strength and durability, making it an excellent choice for racing applications or heavy-duty use.

The Big M2 Iron Block is designed with a large deck surface area, which allows for increased bore sizes and larger displacement engines. Its rectangular-shaped main bearing bores ensure proper alignment of crankshaft main bearings, while the large sump area provides ample oil capacity for optimal engine lubrication.

The block features a high-performance water jacket design that ensures efficient cooling, even under extreme conditions. The large, rectangular water jackets provide excellent flow characteristics, ensuring that the engine stays cool and performs at its best.

The Big M2 Iron Block is also compatible with a wide range of aftermarket components, including high-performance cylinder heads, camshafts, and intake manifolds. This allows for extensive customization, enabling you to build an engine tailored to your specific performance goals.

The block's surface finish is precision machined to ensure a perfect fit for other engine components. The main bore and deck surfaces are machined to a flatness of 0.0015 inches or better, while the cylinder bores are machined to a finish of 40 Ra or better.

Additionally, the Big M2 Iron Block comes with a fully machined and balanced crankshaft flange, ready for installation of your choice of crankshaft. The block also features a machined and tapped front cover boss, as well as a machined engine mount boss.

In summary, the Dart Big M2 Iron Block Chevy Engine Block (Part Number: 31223554) is a high-performance, cast iron engine block designed for reliability, strength, and customization. Its large deck surface area, high-performance water jacket design, and compatibility with a wide range of aftermarket components make it an ideal choice for building a powerful and efficient Chevrolet engine.

Buying a Dart Big M2 Iron Block Chevy engine block (Part Number: 31223554) can be a significant investment for automotive enthusiasts or professional mechanics. This cast iron block is known for its durability and high performance capabilities, making it a popular choice for high horsepower applications. In this discussion, we will provide an analysis of the potential advantages and disadvantages of purchasing this engine block.

1. Enhanced Durability: The Dart Big M2 Iron Block is known for its robustness and capacity to handle high horsepower levels. Its cast iron construction offers excellent heat dissipation properties and resistance to engine stress, making it an ideal choice for performance applications.

2. Versatility: This engine block is compatible with various Chevy engines and can be used in both small-block and big-block Chevy applications. This versatility makes it a valuable investment for those working on multiple projects or building custom engines.

3. Improved Engine Performance: The Dart Big M2 Iron Block is designed to offer improved engine performance by allowing for increased cylinder bore size, which can lead to increased horsepower and torque output.

1. Cost: The Dart Big M2 Iron Block is a premium engine component, and its price tag reflects its high-performance capabilities. This investment may not be feasible for those with limited budgets or those looking for a more cost-effective solution.

2. Weight: Compared to aluminum engine blocks, cast iron blocks are significantly heavier. This added weight can result in increased fuel consumption and reduced overall engine efficiency. However, the benefits of durability and performance may outweigh the weight penalty for some applications.

3. Complexity: Installing a Dart Big M2 Iron Block into an existing engine setup may require additional modifications and complexity. This could include machining the block to fit specific engine components or making modifications to the engine's cooling system to accommodate the increased heat output.

The Dart Big M2 Iron Block (Part Number: 31223554) is an excellent investment for automotive enthusiasts or professional mechanics seeking high durability, versatility, and improved engine performance. Its robust cast iron construction allows it to handle high horsepower levels and withstand the rigors of performance applications. However, its premium price tag, added weight, and potential complexity may make it a less desirable choice for those with limited budgets or simpler engine projects. Ultimately, the decision to invest in this engine block depends on the specific requirements of your project and the value you place on its performance benefits.

If you are working on a high-performance project requiring a durable engine block that can handle increased horsepower levels, the Dart Big M2 Iron Block (Part Number: 31223554) is a solid investment. Its compatibility with various Chevy engines also makes it a versatile choice for those working on multiple projects or building custom engines. However, if you are on a tight budget or seeking a more cost-effective solution, consider exploring alternative engine block options before making a final decision.

Details:

Manufacturer: Dart. Mpn: 31223554. Big M2 iron block Chevy blocks Dart engineered the m to be strongest, most reliable, and easiest build big block on market. The Dart big M2 is designed from the ground up as a true racing engine block which can be used with standard off shelf big components.

Condition: new. The big M2 is cast from premium high strength iron and beefed up in all the critical areas. Items must be new, unused, not installed, in the original packaging and able to resold. A competition oiling system ensures adequate lubrication to the main bearings at high rpm.

specifications engineblocksam:

• for models: M2
• for makes: Chevy
• brand: Dart
• mpn: 31223554
• part type: Block
• upc: 807051046021

payments engineblocksam:

• credit card: diners-club
• wallet: google-pay
• other

seller engineblocksam:

• # reviews: 156017
• city: grant, michigan
• rating: 98.4%

shipping engineblocksam:

• transit: 4-10 days
• class: expedited
• service: expedited
• type: fixed

returns engineblocksam:

• policy: returns accepted
• paid by: seller
• time: 30 days

offer engineblocksam:

• options: ship-to-home
• sold #: 21
• availability: in stock
• quantity: 1
• started: april 18, 2025

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks