---
product_id: 414570216
title: "4 Barrel Carb  Manual Choke"
brand: "thundermingo"
price: "A$452"
currency: AUD
in_stock: null
reviews_count: 8
url: https://www.desertcart.com.au/products/414570216-4-barrel-carb-manual-choke
store_origin: AU
region: Australia
---

# Manual choke, vacuum secondary Fits Chevy 327-454 V8 engines 750 CFM max airflow 4 Barrel Carb  Manual Choke

**Brand:** thundermingo
**Price:** A$452
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Unlock Classic Muscle Power with Precision Flow ⚙️

## Quick Answers

- **What is this?** 4 Barrel Carb  Manual Choke by thundermingo
- **How much does it cost?** A$452 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/414570216-4-barrel-carb-manual-choke)

## Best For

- thundermingo enthusiasts

## Why This Product

- Trusted thundermingo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready to Install & Tune:** Fully tested and polished, this carburetor arrives ready to elevate your ride’s power—professional tuning recommended for peak results.
- • **Optimized Throttle Response:** Engineered to boost performance and responsiveness across the RPM range for daily driving and spirited cruising.
- • **Versatile Spread Bore Design:** Vacuum secondary with manual choke ensures smooth operation and easy tuning for your vintage muscle car or truck.
- • **Precision Fit for Classic V8s:** Direct replacement for Rochester Quadrajet 1901R, perfect for Chevy 350, 454, 327, 427 engines from ’66-’79.
- • **Exclusive Performance Calibration:** Distinct fuel curves tailored for specific applications, with included tools to fine-tune air channels and avoid rich running.

## Overview

The THUNDERMINGO 4 Barrel Carburetor 1901R is a high-performance, direct replacement for Rochester Quadrajet carburetors, designed specifically for Chevy and GMC V8 engines from 1966 to 1979. Featuring a 750 CFM airflow capacity, vacuum secondary, and manual choke, it enhances throttle response and overall engine performance. Polished and tested, this spread bore carburetor is ideal for daily drivers and muscle car enthusiasts seeking authentic power upgrades with professional tuning potential.

## Description

4 Barrel Carburetor fits for Rochester Quadrajet Carburetor For Chevy 350 454 327 427 V8 Engines GMC Trucks 1966-1973 big small block 4BBL Carb 1901R 4MV Corvettes 1975-1979 Manual Choke 650CFM 750CFM

## Features

- Replace: This is brand new 4-BBL carburetor from THUNDERMINGO can directly replace for the Rochester Quadrajet.Replace For 1901-GG 1901R Rochester Quadrajet Carburetor- 4MV. NOTE:This carburetor is suitable for automotive. We do not recommend it for marine purpose.
- Fitment: Vacuum Secondary,Manual choke,Spread bore carburetor, more suitable for dailydrive.Carburetor compatible with 1966-1973 Chevy 327-454c.i, 1975-1979 Corvettes, 1968-1973 Chevy/GMC Trucks Part Number 1901R.compatible with 1966-1973 Chevy Chevrolet GMC Cadillac Fits 327 350 427 454 with Divorced Mechanical Choke.Important: Before purchasing, ensure the carburetor size you need to replace matches the product.
- This Universal Performance carburetors improve throttle response and overall performance throughout the RPM range. Each carb has a distinctly different fuel curve calibrated for a particular application. Do note: Condering the vehicle dispacement range discrepancy, some vehicles may be too rich with black smoke from the muffler.Especially if you want to use this product for small block.You may have to use The included tool and small copper solid pin to block the air channels to fix it. For specific methods, please refer to the details page picture(A guidance to improve idling ).If you are confused, Message us before any adjustment.
- Specification:Carburetor For Rochester Quadrajet can range anywhere in between 600 and 750 CFM. Most are rated 750 CFM. The size of jets that pre-installed:Main jet: 185, Idle jet: 120, Auxiliary Venturi: 7.3mm; Venturi(Choke tube):28mm, Air correction jets: 110, Needle valve: 3.3.
- Customer Service:Before purchase, please check carefully whether the carburetor you need to replace is the same as this product.If you are uncertain about the item, feel free to contact us for confirm.We recommend that you search for relevant installation videos on the Internet and follow the correct steps strictly. No installation instructions included. Carburetor is fully tested and ready to install. Tuning may be needed depending on your setup. For best results, we recommend having a qualified mechanic install and tune the carburetor.Contact us if you need help.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | THUNDERMINGO |
| Vehicle Service Type | Truck |
| Flange Type | Spread Bore |
| Fuel Type | Liquefied Petroleum Gas |
| Recommended Uses For Product | Jeep |
| Specific Uses For Product | Performance |
| Manufacturer | THUNDERMINGO |
| Model | 1901R |
| Item Weight | 7.11 pounds |
| Package Dimensions | 13.3 x 10.59 x 6.65 inches |
| Item model number | 1901R |
| Exterior | Polished |
| Manufacturer Part Number | 1901R |

## Product Details

- **Brand:** THUNDERMINGO
- **Vehicle Service Type:** Truck
- **Flange Type:** Spread Bore
- **Fuel Type:** Liquefied Petroleum Gas
- **Recommended Uses For Product:** Jeep

## Images

![4 Barrel Carb  Manual Choke - Image 1](https://m.media-amazon.com/images/I/918LyCLkleL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ **WOW** Now this is QUALITY A#1 DONT PROCRASTINATE BUY IT YOU WILL BE HAPPY !!!
*by J***E on October 24, 2024*

What AMAZING quality, I have had such probs with my 69 Corvette 427, the mechanic had my factory Rochester rebuilt TWICE and apparently still NO GOOD.I replaced my fuel pump all my vacuum lines and more, and still NO good. So I figured I would order this, I thought at that price I just could NOT go wrong.I installed today, it is 100% IDENTICAL to the stock one, it comes with all kinds and sizes of jets, KUDOS what XLNT company indeed.So installed, pumped the gas 3 times, turned the key and that MASSIVE 7 Litre MONSTER finally came to life, and my God it runs PERFECT, all pre adjusted and set just right. THANK YOU SO MUCH !!!OUTSTANDING Do NOT hesitate on this it's a FANTASTIC value...3 years of the car not running right, and here for under $200.00 ... GREAT !!

### ⭐ Wish I would of sent it back
*by L***. on December 26, 2023*

Carburetor is junk I waited to long before I put it on my truck to find out it was junk to send it back put it on my truck wouldn't run very good then wouldn't start at all pulled fuel line make sure pump was working it was so pulled carb apart wasn't even a wire holding the needle so had to get a new one for that then put back together of course leaked so got carb kit still didn't want to run right after adjusting it then started leaking from accelerator pump it was tore got another kit got it to run little better for about an hour now its leaking out the accelerator pump again probably a bur or something in the hole cutting the rubber so guess I need to figure something else out I've never had this much problems with a carburetor before

### ⭐⭐⭐⭐⭐ Driving straight out of the box.
*by M***K on March 24, 2025*

Out of the box runs good. Minimal adjustments will be required to fine tune. Driving down the street as is. Needs a fuzz more fuel. We’ll see long term but short term on point.

## Frequently Bought Together

- 4 Barrel Carburetor For Rochester Quadrajet Carburetor For Chevy 350 454 327 427 V8 Engines GMC Trucks 1966-1973 big small block 4BBL Carb 1901R 4MV Corvettes 1975-1979 Manual Choke 1901-GG 750 CFM
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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-30*