Question

Is a 400 small block better than a 350?

Answer 1

Whether a 400 small block engine is better than a 350 small block engine depends on the specific application and desired outcome. Here are some factors to consider when comparing the two:

1. Displacement: The 400 small block engine has a larger displacement than the 350, which means it can potentially produce more power and torque. The additional displacement allows for greater air and fuel intake, leading to increased potential for performance.

2. Power Potential: With its larger displacement, the 400 small block engine has the potential to produce more power compared to a 350. However, this depends on various factors such as the specific build, components, and modifications applied to each engine.

3. Torque: Due to its larger displacement, the 400 small block engine can generate more torque, which can be beneficial for applications that require low-end or mid-range power. This extra torque can be advantageous for activities such as towing, off-roading, or street driving.

4. Fuel Efficiency: Generally, smaller displacement engines tend to offer better fuel efficiency compared to larger ones. In this case, the 350 small block engine may have a slight advantage in terms of fuel economy. However, the actual fuel efficiency will depend on other factors such as the tuning, driving habits, and overall vehicle setup.

5. Cost and Availability: The 350 small block engine has been widely used and has a large aftermarket support base. This means that it may be easier to find parts and components for the 350 compared to the less common 400. Additionally, the 350 may be more cost-effective due to its popularity and availability.

Ultimately, the "better" engine choice depends on the specific requirements of the application. If you are looking for maximum power and torque potential, the 400 small block may be more suitable. However, if factors such as fuel efficiency, cost, and availability are important, the 350 small block may be a more practical choice. It's essential to consider your needs, budget, and intended use when making a decision between the two engines.