fits model: W30, D1, 400, 455, Cutlass. make: Oldsmobile. year: 1966–1967.

( Manufacturer Part Number: 390390 ), ( Part Type: Intake Manifold )
The 390390 400 455 intake manifold is a crucial component for the powerful engine of your 1966 or 1967 Oldsmobile 442 W30 Cutlass D1. This intake manifold is designed specifically for the 400 cubic inch V8 engine, which was a staple in high-performance Oldsmobiles of that era.
The intake manifold is made of high-quality aluminum, ensuring durability and lightweight performance. It features a four-barrel carburetor configuration, which allows for optimal air and fuel mixture for efficient combustion. The manifold's design includes a large plenum, which increases the volume of the air-fuel mixture entering the engine, leading to more power and improved engine performance.
The 390390 400 455 intake manifold is also equipped with high-flow runners, which help to reduce air restriction, allowing more air to enter the engine cylinders. The manifold's ports are precision-machined for a perfect seal with the intake manifold gasket, ensuring a tight fit and minimal air leakage.
This intake manifold is a direct replacement for the original part, making installation easy and straightforward. It is compatible with the 1966 and 1967 Oldsmobile 442 W30 Cutlass D1, and it is a great upgrade for those looking to enhance the engine performance of their classic muscle car.
In conclusion, the 390390 400 455 intake manifold is a high-quality, performance-enhancing component for your Oldsmobile 442 W30 Cutlass D1. Its design features a large plenum, high-flow runners, and precision-machined ports for optimal engine performance. It is a direct replacement for the original part and is a great upgrade for those looking to boost their classic muscle car's power and performance.
Pros of buying a 390390 400 455 intake manifold for a 1966-1967 Oldsmobile 442 W30 Cutlass D1:1. Improved engine performance: This intake manifold is designed to increase the flow of air and fuel into the engine, which can result in improved horsepower, torque, and overall engine performance.
2. OEM (original equipment manufacturer) part: This intake manifold is an original replacement part, which means it is designed to fit and function exactly like the original part that came with the car.
3. Durable construction: This intake manifold is made of high-quality materials and is designed to last for a long time.
Cons of buying a 390390 400 455 intake manifold for a 1966-1967 Oldsmobile 442 W30 Cutlass D1:1. Cost: This intake manifold is not cheap, and the cost of replacing an intake manifold can add up quickly when you factor in the cost of installation, gaskets, and other necessary parts.
2. Potential for installation errors: Installing an intake manifold can be a complex and time-consuming process, and if it is not done correctly, it can result in engine problems or a decrease in performance.
3. Availability: This intake manifold may be difficult to find in some locations, which could mean a longer wait time for delivery or a higher shipping cost.
Conclusion:If you are looking to improve the performance of your 1966-1967 Oldsmobile 442 W30 Cutlass D1's engine and are willing to invest in a high-quality replacement part, then the 390390 400 455 intake manifold is a good option to consider. However, it is important to keep in mind the potential costs and installation challenges that come with replacing an intake manifold, and to carefully consider whether the performance improvements are worth the investment.
Recommendation:If you are considering purchasing the 390390 400 455 intake manifold, I would recommend doing your research and comparing prices from multiple sources to ensure you are getting a fair deal. Additionally, I would recommend having the installation done by a professional mechanic to ensure it is done correctly and to minimize the risk of engine problems.
This is in nice original condition. I got this in a collection of parts that were stored in doors for decades. This is an e code intake manifold for a Oldsmobile 400 or 455 engine. Casting number please see the pictures.