3988512 CHEVROLET Big Block Engine Chevy

Review CHEVROLET Chevy 402 Bbc Big Block Engine 2-bolt Main Bare V8 for CHEVY 1970

Introducing the 1970 Chevy 402 BBC Big Block Engine 2-Bolt Bare V8 (Part Number: 3988512) from Chevrolet, a powerful and iconic engine that is sure to satisfy the desires of muscle car enthusiasts and hot rod builders.

This engine is a member of the legendary Big Block Chevy family, boasting a displacement of 6.6 liters or 402 cubic inches. The 2-Bolt designation refers to the number of main caps, which are held in place by two large bolts instead of the more common four. This design provides a simpler and lighter engine block compared to its 4-bolt counterpart.

The bare engine is delivered without any accessories, making it an ideal choice for custom builds and restorations. It comes with a cast iron block and aluminum cylinder heads, ensuring excellent durability and heat dissipation. The engine also features a forged steel crankshaft and forged pistons, promising superior strength and reliability.

The 1970 Chevy 402 BBC Big Block Engine is designed to deliver impressive power. It features a quad-carburetor intake manifold, allowing the installation of four carburetors for enhanced airflow and performance. The engine's combustion chamber design, port geometry, and other details have been meticulously engineered to provide optimal power and torque.

This engine is a must-have for those looking to build a powerful and authentic muscle car or hot rod. With its iconic Big Block Chevy design, rich history, and impressive power potential, the 1970 Chevy 402 BBC Big Block Engine 2-Bolt Bare V8 is an essential component for any serious enthusiast's collection.

In summary, the Chevrolet 3988512 1970 Chevy 402 BBC Big Block Engine 2-Bolt Bare V8 is a powerful and iconic engine that delivers impressive performance. It is a member of the legendary Big Block Chevy family, with a displacement of 6.6 liters or 402 cubic inches, and features a cast iron block, aluminum cylinder heads, forged steel crankshaft, and forged pistons. The engine is delivered bare, without any accessories, making it an ideal choice for custom builds and restorations. With its impressive power potential and rich history, this engine is a must-have for any serious muscle car or hot rod enthusiast.

Chevrolet's 1970 402 BB (Big Block) V8 engine, specifically model number 3988512, is a popular choice among classic car enthusiasts and restorers due to its power and performance. However, like any engine purchase, it's important to consider both the pros and cons before making a decision.

1. Power: The 402 cubic inch engine produces a substantial amount of power, making it an excellent choice for those seeking to boost the performance of their classic Chevrolet.

2. Availability: These engines are relatively common in the aftermarket, which means they are often easier to find and purchase than less popular engine options.

3. Affordability: Compared to some other high-performance engine options, the 1970 Chevy 402 BB V8 can be a relatively affordable choice.

4. Compatibility: These engines are compatible with a wide range of classic Chevrolet models, making them a versatile choice for restorers and enthusiasts.

1. Complexity: The 402 BB V8 engine is a complex piece of machinery, which can make installation and maintenance more challenging than with simpler engines.

2. Emissions: These engines do not meet modern emissions standards, which can make them difficult to register and operate legally in some areas.

3. Fuel Efficiency: The 402 BB V8 engine is not known for its fuel efficiency, which can lead to higher operating costs over time.

4. Weight: The larger size and increased weight of the engine can impact the overall performance and handling of the vehicle.

The 1970 Chevy 402 BB V8 engine offers substantial power and performance, but it also comes with some challenges. The engine's complexity, compatibility with modern emissions standards, fuel efficiency, and weight are all important factors to consider before making a purchase. Ultimately, whether or not this engine is the right choice for you depends on your individual needs and preferences as a classic car enthusiast or restorer.

If you are looking for a high-performance engine for your classic Chevrolet and are willing to take on the challenges that come with the 1970 Chevy 402 BB V8, then this engine could be an excellent choice for you. However, if you prioritize ease of use, modern emissions compatibility, and fuel efficiency, you may want to consider other engine options. It's important to weigh the pros and cons carefully before making a final decision.

Details:

This is a rare, one-year-only casting from 1970 used for the 402 CID v8. Builder note: as with any vintage high-performance core, a final finish hone or bore should be performed to match your specific pistons. It has been serviced with the following: manged : tested and confirmed to be free of cracks or structural defects. It is a highly desirable core for period-correct muscle car restorations.

For reliable service. Listing product overview this is a genuine factory gm big block Chevy bbc bare engine block, casting number 3988512. This block is sold as-is for parts or repair. 250 lbs bare block only, items included bare engine with 2-bolt main caps.

Country of origin: manufactured in the USA. Standard bore: the cylinders have not been bored and remain at factory standard dimensions. While many 1970 vehicles were badges as 396 such the Chevalier SS and Camry SS, this 402 displacement was actual factory specification. To minimize exposure, service in a well-ventilated area and wash hands after handling.

Notice: all fluids have been drained.

specifications engineblocksam:

• for makes: Chevy
• for years: 1970
• brand: Chevrolet
• mpn: 3988512
• type: Engine Block
• items included: Bare Engine Block With 2-bolt Main Caps
• material: Cast Iron
• vintage part: Yes
• finish: Unfinished
• country of origin: United States
• california prop 65 warning: Warning, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Service In A Well-ventilated Area And Wash Hands After Handling. For More Information, Visit The Official P65warnings Website.

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• in stock #: 1
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