PONTIAC 1112950 Vacuum Advance Distributor 75-79 4H20

( Manufacturer Part Number: 1112950 ), ( Type: Distributor ), ( Material: Metal ), ( Country/region Of Manufacture: United States ), ( Performance Part: No )

Review PONTIAC 75-79 Hei Vacuum Advance Distributor Date Code fits 350 400 455

Introducing the Pontiac 1112950 75-79 350 400 455 Vacuum Advance Distributor 4H2, a high-performance component designed specifically for Pontiac vehicles manufactured between 1975 and 1979 with engines sized 350, 400, or 455 cubic inches. This distributor, a crucial part of your engine's ignition system, is engineered to deliver reliable and efficient power delivery.

The Pontiac 1112950 distributor is an upgraded version, incorporating a vacuum advance mechanism. Vacuum advance is a crucial feature that optimizes engine performance and fuel economy during light to moderate throttle conditions. By advancing the ignition timing under light load conditions, the engine burns fuel more efficiently, reducing fuel waste and improving overall performance.

This Pontiac distributor features a robust, die-cast aluminum housing. The housing's durability ensures that it withstands the rigors of daily driving, while its sleek design adds an aesthetic appeal to your engine bay. The distributor cap, a crucial component that connects the spark plug wires to the distributor, is designed with a high-density, 8-piece design. This design increases the electrical conductivity between the distributor and the spark plugs, ensuring a stronger, more consistent spark.

The Pontiac 1112950 distributor comes with a set of new, high-tension spark plug wires. These wires are engineered to provide a reliable, consistent spark to your engine, ensuring optimal performance. Additionally, the distributor comes with a new rotor and points, which are essential for proper ignition system function.

Installing the Pontiac 1112950 distributor is a straightforward process. It comes with all necessary hardware for installation, including a new distributor gasket and mounting bolts. The distributor is also compatible with most standard ignition system components, such as ignition coils and ignition modules.

In conclusion, the Pontiac 1112950 75-79 350 400 455 Vacuum Advance Distributor 4H2 is a top-quality, high-performance component designed to optimize the ignition system of your Pontiac vehicle. Its durable design, advanced vacuum advance mechanism, and included new spark plug wires make it an essential upgrade for any Pontiac owner seeking improved engine performance and fuel efficiency.

Pros and Cons of Buying a Pontiac 1112950 75-79 350 400 455 Vacuum Advance Distributor (4H20)

a) Vacuum advance distributor: This type of distributor uses engine vacuum to advance the timing, which can provide better fuel efficiency and improved engine performance.

b) Widely available: These distributors are quite common in the aftermarket, making them easily accessible for purchase.

c) Affordable: Compared to other types of distributors, such as electronic distributors, these distributors are generally more affordable.

d) Suitable for older vehicles: This distributor is specifically designed for Pontiac vehicles produced between 1975 and 1979 with 350, 400, and 455 engines, making it a perfect choice for restoring or maintaining these classic cars.

a) Mechanical component: As a mechanical component, this distributor may require more frequent maintenance compared to electronic distributors.

b) Limited adjustability: The vacuum advance distributor has limited adjustability, which may make it less suitable for fine-tuning engine performance.

c) Potential for vacuum leaks: Since this distributor relies on engine vacuum, any vacuum leaks can negatively impact the distributor's performance and cause misfires or poor idling.

d) Requires regular check-ups: Due to the vacuum advance system's reliance on engine vacuum, it's essential to check the distributor regularly to ensure proper functioning and address any issues promptly.

The Pontiac 1112950 75-79 350 400 455 Vacuum Advance Distributor (4H20) offers several advantages, including affordability, availability, and improved engine performance. However, it also comes with some disadvantages, such as the requirement for regular check-ups and the potential for vacuum leaks. Weighing these pros and cons, this distributor is an excellent choice for those restoring or maintaining classic Pontiac vehicles from the 1970s with 350, 400, or 455 engines.

If you're in the market for a distributor for your classic Pontiac vehicle, the Pontiac 1112950 75-79 350 400 455 Vacuum Advance Distributor (4H20) is a solid option that offers good performance and affordability. Ensure you purchase the distributor from a reputable seller and have it inspected or installed by a professional to ensure proper functioning and minimize any potential issues.

Details:

Removed years ago in running condition. Needs cleaning.

part #: 1112950 prices

• $29.00-$449.95

specifications disripa:

• for models: 350, 400, 455
• for makes: Pontiac
• mpn: 1112950
• type: Distributor
• material: Metal
• country/region of manufacture: United States
• performance part: No

payments disripa:

• wallet: Paypal
• other
• credit card: Diners-club

shipping disripa:

• service: USPS Ground Advantage, USPS Priority Mail Medium Flat Rate Box
• type: Calculated
• class: Standard, Expedited
• cost: $11.45
• transit: 3-8 Days
• carrier: USPS

offer disripa:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: March 26, 2025

seller disripa:

• # reviews: 5568
• rating: 99.6%
• city: Ketchikan, Alaska

returns disripa:

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

general disripa:

• condition: Used
• Car Truck Parts Accessories > Ignition Systems Components > Distributors

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