fits model: 350.

| Brand | DART |
|---|---|
| Manufacturer Part Number | 31181111LT |
| Type | ENGINES, BARE BLOCKS |
| Performance Part | YES |
The Dart 31181111LT Iron Block is a high-performance aftermarket cylinder block designed for use in specific Ford applications. This cast iron block is engineered to provide superior strength and durability compared to the original equipment, ensuring a long-lasting and reliable engine.
With a displacement of 9.025 cubic inches or 149.7 cubic centimeters, this block is suitable for engines that require a larger capacity than the stock version. Its dimensions are 4.000 inches by 3.500 inches, making it a precise fit for the intended Ford applications.
The Dart Iron Block features an improved cooling design, which includes larger water jackets and improved flow patterns. This enhanced cooling system ensures that the engine runs cooler, reducing the risk of overheating and expanding the operating temperature range.
The cylinder bores are precision-machined to ensure a perfect fit for the pistons and rings. The block also features a raised oil pan rail, which provides increased oil capacity and better crankcase ventilation.
The block's surface finish is smooth and uniform, which ensures a good seal between the cylinder walls and the piston rings. The block's surface is also prepared for easy honing, making it easier for engine builders to achieve a perfect finish.
The Dart 31181111LT Iron Block is manufactured to meet or exceed OEM specifications and is backed by a limited warranty for added peace of mind. It is an excellent choice for engine builders and enthusiasts who demand the highest level of performance and durability from their engines.
Overall, the Dart 31181111LT Iron Block is a high-quality aftermarket cylinder block that delivers superior strength, durability, and performance compared to the original equipment. It is a perfect upgrade for Ford engines that require a larger displacement and improved cooling capabilities.
The Dart IRB-9.410 Dart 31181111LT Iron Block 9.025 4.000/350 cylinder head is a popular choice among engine builders and enthusiasts due to its high-performance capabilities. However, like any other aftermarket cylinder head, it comes with its own set of advantages and disadvantages. In this analysis, we will discuss both the pros and cons of purchasing this cylinder head.
Pros:1. Enhanced Performance: The Dart 31181111LT cylinder head is designed to provide improved performance, with a high-flow intake port design and large exhaust ports, allowing for better airflow and increased power output.
2. Durability: The iron block construction of the cylinder head provides excellent heat dissipation and durability, making it suitable for high-performance applications and racing scenarios.
3. Wide Compatibility: This cylinder head is compatible with various engine sizes and configurations, making it a versatile option for engine builders and enthusiasts.
4. Affordability: Compared to other high-performance cylinder heads, the Dart 31181111LT offers a relatively affordable price point, making it an attractive option for those on a budget.
Cons:1. Complex Installation: Installing the Dart 31181111LT cylinder head can be a complex and time-consuming process, as it requires specialized tools and knowledge.
2. Requires Additional Modifications: To fully utilize the potential of this cylinder head, additional modifications, such as porting and polishing, may be necessary, which can add to the overall cost.
3. Limited CNC Porting Options: While the Dart 31181111LT offers excellent flow potential out of the box, some engine builders may prefer the precision and customization offered by CNC porting, which may not be available with this cylinder head.
Conclusion:The Dart IRB-9.410 Dart 31181111LT Iron Block 9.025 4.000/350 cylinder head offers impressive performance gains and durability for engine builders and enthusiasts seeking high-performance capabilities. Despite its complex installation process and the need for additional modifications, its wide compatibility, affordability, and robust design make it a compelling choice for those looking to enhance their engine's power output.
Recommendation:If you are an engine builder or enthusiast seeking improved performance and durability for your engine, the Dart IRB-9.410 Dart 31181111LT Iron Block 9.025 4.000/350 cylinder head is an excellent option to consider. However, be prepared for a complex installation process and additional modification costs to fully realize its potential. It is recommended to consult with a professional engine builder or mechanic for installation and optimization advice.
Engine - little m bare block 4.000 in bore 9.025 deck 350 main 4-bolt 2 piece seal iron small Chevy each. Manufacturer: Dart.
