PONTIAC 329-00845 Intake Manifold Uneven Firing Venturaii 6-231 5TH

( Brand: Pontiac ), ( Model: VENTURAII ), ( Part Type: Intake Manifold ), ( Conditions Options: 3.8, Vin C Pulled ), ( Genuine Oem: Yes ), ( Ipn: 329-00845 )

Review PONTIAC Intake Manifold Vin 5th Digit Uneven Firing Buick fits 1977

The Pontiac 329-00845 intake manifold, also known as the 6-231 5th uneven firing intake, is a crucial component of the engine air induction system in certain Pontiac vehicles. This intake manifold is designed specifically for use with 388064 engines, which feature a unique 5th uneven firing pattern to optimize combustion efficiency and power output.

This intake manifold is meticulously crafted from high-quality materials, ensuring durability and reliability even under the most demanding driving conditions. It features a complex, intricately designed runner system, which is responsible for directing the air-fuel mixture from the throttle body to the cylinders in an efficient and precise manner. The uneven firing pattern requires a more complex intake design, which includes extra runners and ports to ensure each cylinder receives the optimal amount of air-fuel mixture at the right time.

The intake ports on this manifold are designed to provide excellent flow characteristics, ensuring that the engine receives a consistent supply of air-fuel mixture, which is essential for optimal combustion and power output. The runners are also tapered, which helps to minimize turbulence and promote smooth, laminar flow.

The intake manifold is also designed with a high-performance throttle body in mind, allowing for easy installation of aftermarket high-flow throttle bodies for those seeking to enhance the performance of their engine. The manifold is also compatible with stock throttle bodies for those preferring a more conservative approach.

The surface finish of the intake manifold is also noteworthy, featuring a smooth, polished appearance that not only looks great but also helps to minimize air turbulence and promote smooth, efficient airflow. The manifold is also OEM-grade, meaning that it meets or exceeds the original equipment specifications for fit, form, and function.

In summary, the Pontiac 329-00845 intake manifold is a high-performance, meticulously designed component that is essential for optimizing the combustion efficiency and power output of certain Pontiac engines. Its complex, uneven firing pattern requires a more intricate intake design, which is delivered with precision and attention to detail in this intake manifold. Whether you're a enthusiast looking to enhance the performance of your classic Pontiac or a restorer working on a vintage vehicle, this intake manifold is an essential addition to your engine assembly.

The Pontiac 329-00845 intake manifold (6-231, 5th uneven firing, 388064) is a performance intake designed for the 389 and 400 cubic inch Oldsmobile, Buick, and Pontiac engines. This intake manifold provides several benefits, but like any automotive part, it also comes with some potential drawbacks.

1. Enhanced Airflow: This intake manifold is designed to provide improved airflow, which can lead to better engine performance, increased horsepower, and improved throttle response.

2. Uneven Firing: The uneven firing design of this intake manifold helps to reduce the detonation or pinging that can occur during high-performance driving. This can result in a smoother and more efficient engine operation.

3. Customization: This intake manifold is often used in high-performance builds, where customization is essential. It allows for the use of various intake runners, throttle bodies, and other performance parts to optimize engine performance.

1. Complex Installation: Installing this intake manifold can be a complex process, as it requires the removal of the engine's original intake system. Additionally, the uneven firing design requires precise placement of the intake runners to ensure proper engine operation.

2. Cost: Compared to the stock intake manifold, this performance intake is more expensive. The cost of the intake manifold alone may not be the only expense, as the installation process may also require additional parts and labor costs.

3. Potential Power Loss: Some users have reported a loss in power when using this intake manifold, especially in low-RPM situations. This can be due to various factors, including the uneven firing design and the need for precise tuning to optimize engine performance.

The Pontiac 329-00845 intake manifold (6-231, 5th uneven firing, 388064) is a high-performance intake designed for specific applications. It provides several benefits, including improved airflow, reduced detonation, and customization options. However, it also comes with potential drawbacks, such as a complex installation process, higher cost, and potential power loss.

If you're looking to build a high-performance engine and are willing to invest the time and resources into the installation process, this intake manifold could be an excellent addition to your build. However, if you're looking for a simpler and more cost-effective solution, a stock intake manifold may be a better choice. Ultimately, the decision to purchase this intake manifold should be based on your specific automotive goals and budget.

Details:

No deliveries can be made to apartments, condos, town homes or similar shared living spaces. Residential delivery is not included in the free shipping. Stand-alone homes only. Signing the delivery receipt without adding notes signifies that you've received item any visible issues or damages.

An adult must be present to inspect and sign for the delivery. We ll be more than happy to resolve the issue. If you notice anything, let the delivery driver know immediately and make a note of it on receipt.

part #: venturaii prices

• $86.99-$155.00

specifications inputmanifolds:

• for makes: Buick, Pontiac
• for years: 1977
• brand: Pontiac
• model#: VENTURAII
• part type: Intake Manifold
• conditions options: 3.8, Vin C Pulled
• genuine oem: Yes
• interchange part number: 329-00845

payments inputmanifolds:

• wallet: Paypal
• credit card: Mastercard
• other

returns inputmanifolds:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping inputmanifolds:

• type: Fixed
• service: Standard
• transit: 3-9 Days
• class: Standard
• cost: $0.00

seller inputmanifolds:

• city: Penrose, Colorado
• # reviews: 1606
• rating: 98.6%

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: Used

offer inputmanifolds:

• started: February 4, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

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