CHEVY 336781 Block Big Heads Port J-24-73 402 J-29-73
fits model: 396, 454. make: Chevy. year: 1973-85.
( Manufacturer Part Number: 336781 ), ( Part Type: Block Head )
Review CHEVY Oval Block 29-73 402 781 24-73 Big Heads Port fits 396 454 1973-85
The J-24-73 is a high-performance engine block specifically designed for 1973-1985 Chevrolet vehicles equipped with the 402 cubic inch 396 big block engine. This block, identified by the part number 336781, is part of the Block 29-73 series and is distinguished by its robust construction and performance-enhancing features.
This J-24-73 engine block is designed to accommodate the powerful 454 big block engine, providing an excellent foundation for high-horsepower applications. The block is made from cast iron, ensuring durability and strength, particularly under high-stress conditions. The block features a four-bolt main bearing cap design, which increases the block's rigidity and enhances engine performance.
The J-24-73 block includes a deep-sump oil pan, which provides ample oil capacity and improved oil circulation, ensuring proper lubrication for the engine's critical components. The block also features a cast-in oil pump gear, which eliminates the need for a separate oil pump and reduces the overall weight of the engine.
Additionally, this block includes a high-performance cylinder head pattern, which allows for the installation of aftermarket cylinder heads, such as those with large valves and ports, for improved airflow and power output. The block is also compatible with popular aftermarket intake and exhaust systems, making it a versatile choice for performance enthusiasts.
In summary, the J-24-73 engine block is a high-quality and durable option for those seeking to upgrade the power and performance of their 1973-1985 Chevrolet 402 big block engine. Its robust construction, high-performance design, and compatibility with aftermarket upgrades make it an excellent choice for those looking to build a powerful and reliable engine.
The J-24-73, a 1973-85 Block 29-73 with a 402 Chevy 396 engine, is a classic muscle car that has both pros and cons for potential buyers.
Pros:1. Powerful Engine: The 402 Chevy 396 engine is known for its strength and performance. With a displacement of 7.0 liters, it produces a significant amount of horsepower and torque, making the J-24-73 a thrilling drive.
2. Classic Appeal: The J-24-73 has a classic muscle car look that is sure to turn heads. Its large, bold grille, flared fenders, and powerful stance are all hallmarks of the muscle car era.
3. Affordability: Compared to newer models, classic muscle cars like the J-24-73 can be more affordable to purchase, maintain, and insure.
Cons:1. Maintenance and Repairs: Classic cars like the J-24-73 can require more maintenance and repairs than newer models due to their age and the fact that many parts are no longer in production.
2. Fuel Efficiency: The 402 Chevy 396 engine is not known for its fuel efficiency. Expect to pay more at the pump compared to newer vehicles.
3. Safety: Classic muscle cars like the J-24-73 often lack many modern safety features, such as airbags, anti-lock brakes, and stability control.
Conclusion:The J-24-73 is a powerful, classic muscle car that is sure to provide a thrilling driving experience. However, potential buyers should be aware of the maintenance and repair costs, as well as the lack of modern safety features. If you are willing to put in the time and money to maintain the vehicle, and you appreciate the classic muscle car look and feel, then the J-24-73 could be a great choice for you.
Recommendation:If you are considering purchasing a J-24-73, it is important to do your research and have the vehicle inspected by a qualified mechanic before making a purchase. This can help you identify any potential issues and ensure that the vehicle is in good condition. Additionally, consider joining a classic car club or community, as this can provide you with access to resources and support to help you maintain and enjoy your J-24-73.
Details:
These are all stock specs so would be good for stock class racing. No porting or polishing.
Selling these as cores to rebuild big block Chevy oval port heads j pulled these off a good running engine about a year ago. Never been milled so they have all material left for future milling.
part #: 336781 prices
- $200.00-$690.00
specifications cylinderheapar:
- for models: 396, 454
- for makes: Chevy
- for years: 1973-85
- mpn: 336781
- part type: Block Head
Returns cylinderheapar:
- policy: returns accepted
- time: 14 Days
- paid by: Buyer
- type: Money Back
General cylinderheapar:
- condition: Used
- Motors > Parts & Accessories > Vintage Car & Truck Parts > Engines & Components > Cylinder Heads & Parts
- in stock: Yes
Payments cylinderheapar:
- PayPal
Offer cylinderheapar:
- quantity: 1
- # bids: 0
- # Sold: 0
- Started: April 19, 2016, 7:21 pm
- best offer: false
Shipping cylinderheapar:
- type: Flat
- handling: 1 days
- cost: $150.0
Seller cylinderheapar:
- city: Cincinnati, Ohio
- zipcode: 45229
Ratings:
- Good lister. Would buy from again. 04-18-16
- Great item, fast delivery 04-19-16
- extremely knowledgeable seller/great packaging/very quick delivery 04-18-16
- great 04-18-16
- . *. * Five Stars *. *. 04-18-16
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