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  3. HOLLEY 6238-1

HOLLEY 6238-1 Carb Automatic Trans Z28 3997788-GB 181

fits model: Lt1. year: 1972.

3997788-gb Holley 6238-1 1972 Z28 Lt1 Carb List Date- 181 Automatic Trans

( Brand: Holley ), ( Manufacturer Part Number: 6238-1 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Oe/oem Part Number: 3997788-gb )

Review HOLLEY Z28 Carb List Date 181 Automatic Trans fits LT1 1972

Introducing the Holley 6238-1 1972 Z28 LT1 Carburetor, a high-performance solution for your classic Chevrolet automobile. This carburetor is designed specifically for 1972 Z28 LT1 engines equipped with an 181 automatic transmission, carrying the part number 3997788-GB.

The Holley 6238-1 carburetor is known for its advanced design and superior engineering, delivering precise fuel delivery and consistent power. It features a 350 cfm single plane intake, which provides excellent airflow and throttle response. The secondary metering rods are adjustable, allowing you to fine-tune the mixture for optimal engine performance.

This carburetor comes with a built-in electric choke, ensuring easy starting in various weather conditions. The electric choke is controlled by a conveniently located switch on the carburetor body. Additionally, it includes a vacuum secondary system, which enhances low-end torque and improves overall drivability.

The Holley 6238-1 carburetor is meticulously crafted from high-quality materials, ensuring durability and longevity. The brass body and stainless steel components resist corrosion and wear, providing reliable operation even in harsh environments. The carburetor is also equipped with a baffled float bowl, which minimizes fuel slosh and ensures consistent fuel level for superior idle quality.

Installation of the Holley 6238-1 carburetor is straightforward and can be accomplished with minimal effort. It comes with all necessary hardware, including gaskets, mounting brackets, and throttle linkage components. Detailed instructions are also provided to guide you through the process.

In summary, the Holley 6238-1 1972 Z28 LT1 Carburetor is a top-tier performance upgrade for your classic Chevrolet automobile. It delivers precise fuel delivery, consistent power, and easy starting, while its advanced design and durable construction ensure reliable operation for years to come. Whether you're cruising down the highway or tackling a twisty back road, this carburetor will provide you with the power and performance you crave.

The Holley 6238-1 1972 Z28 LT1 carburetor with part number 3997788-GB and 181 automatic transmission is a popular upgrade option for classic Chevrolet Corvette enthusiasts. This carburetor is known for its high-performance capabilities, but like any automotive part, it comes with its advantages and disadvantages.

Advantages:

1. Improved engine performance: The Holley carburetor is designed to provide better fuel delivery and air/fuel mixture, resulting in improved engine performance. This can lead to increased horsepower and torque, making your Corvette more responsive and quicker.

2. Customization: Holley carburetors offer a wide range of customization options. This includes the ability to adjust various components like the primary and secondary venturis, emulsion tubes, and jet sizes to fine-tune your engine's performance for your specific application.

3. Better drivability: The Holley carburetor's improved fuel delivery and air/fuel mixture can lead to smoother idle and better throttle response, making your Corvette easier to drive, especially in various driving conditions.

4. Durability: Holley carburetors are known for their durability and high-performance capabilities, making them a popular choice among Corvette enthusiasts.

Disadvantages:

1. Complexity: Holley carburetors can be more complex to install and tune than stock carburetors. This may require additional time, effort, and expertise to ensure proper installation and tuning.

2. Cost: Holley carburetors can be more expensive than stock carburetors, especially when considering the cost of additional components required for installation and tuning.

3. Fuel economy: Upgrading to a high-performance carburetor like the Holley 6238-1 can lead to decreased fuel economy. This may not be a concern for enthusiasts who prioritize performance, but it is something to consider for daily drivers.

Conclusion:

The Holley 6238-1 1972 Z28 LT1 carburetor with part number 3997788-GB and 181 automatic transmission can provide significant performance improvements for classic Corvette enthusiasts. However, it comes with some disadvantages, including complexity, cost, and decreased fuel economy. Ultimately, the decision to purchase this upgrade depends on your priorities and budget.

If you're looking for maximum performance and are willing to invest the time, effort, and cost into installation and tuning, then the Holley carburetor is an excellent choice. However, if you prioritize ease of use, fuel economy, or a lower budget, then a stock carburetor may be a better option for you.

Recommendation:

If you're committed to upgrading your Corvette's performance with a Holley carburetor, we recommend working with a professional automotive shop or experienced mechanic to ensure proper installation and tuning. This will help minimize the potential for issues and ensure that you get the most out of your upgrade. Additionally, consider researching the various customization options available to find the best fit for your specific application.

Details:

It has a part number of 3997788-GB and manufacturer List 6238-1. Holley LT1,1972 Z28, automatic transmission, mechanical choke type, and square bore mounting flange. Carb has been cleaned, parts re-plated and all new gaskets, jets, fuel pump diaphragm, choke cam vacuum hose installed. With its vintage design and specific OE/OEM part number.

part #: 62381 price

  • $1295.00

specifications carbcoon:

  • for models: Lt1
  • for years: 1972
  • brand: Holley
  • mpn: 6238-1
  • choke type: Mechanical
  • type: Carburetor
  • mounting flange type: Square Bore
  • oe/oem part number: 3997788-gb

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  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: June 24, 2025

general carbcoon:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
  • condition: Remanufactured

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  • policy: No Returns

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  • type: Calculated
  • service: USPS Ground Advantage
  • carrier: USPS
  • cost: $14.70
  • transit: 4-9 Days
  • class: Standard

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  • # reviews: 1338
  • city: Green Bay, Wisconsin
  • rating: 100.0%
for models: lt1, for years: 1972, choke type: mechanical, type: carburetor, mounting flange type: square bore, oe/oem part number: 3997788-gb,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 6834650432130633,

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1 offer $1295.00 USD
  • Offer #1: $1295.00 price + $39.95 shipping estimate = $1334.95* total. CAMARO ONLY DATED 233 HOLLEY - 350". LT1 ENGINE WITH A AUTOMATIC TRANSMISSION.+$39.95 shipping

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